Re: Linux 4.19.90

From: Greg KH
Date: Tue Dec 17 2019 - 15:41:41 EST

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diff --git a/Documentation/admin-guide/kernel-parameters.txt b/Documentation/admin-guide/kernel-parameters.txt
index ce1af89dbbb8..2c0d6ae221a1 100644
--- a/Documentation/admin-guide/kernel-parameters.txt
+++ b/Documentation/admin-guide/kernel-parameters.txt
@@ -4941,13 +4941,13 @@
Flags is a set of characters, each corresponding
to a common usb-storage quirk flag as follows:
a = SANE_SENSE (collect more than 18 bytes
- of sense data);
+ of sense data, not on uas);
b = BAD_SENSE (don't collect more than 18
- bytes of sense data);
+ bytes of sense data, not on uas);
c = FIX_CAPACITY (decrease the reported
device capacity by one sector);
d = NO_READ_DISC_INFO (don't use
- READ_DISC_INFO command);
+ READ_DISC_INFO command, not on uas);
e = NO_READ_CAPACITY_16 (don't use
READ_CAPACITY_16 command);
f = NO_REPORT_OPCODES (don't use report opcodes
@@ -4962,17 +4962,18 @@
j = NO_REPORT_LUNS (don't use report luns
command, uas only);
l = NOT_LOCKABLE (don't try to lock and
- unlock ejectable media);
+ unlock ejectable media, not on uas);
m = MAX_SECTORS_64 (don't transfer more
- than 64 sectors = 32 KB at a time);
+ than 64 sectors = 32 KB at a time,
+ not on uas);
n = INITIAL_READ10 (force a retry of the
- initial READ(10) command);
+ initial READ(10) command, not on uas);
o = CAPACITY_OK (accept the capacity
- reported by the device);
+ reported by the device, not on uas);
p = WRITE_CACHE (the device cache is ON
- by default);
+ by default, not on uas);
r = IGNORE_RESIDUE (the device reports
- bogus residue values);
+ bogus residue values, not on uas);
s = SINGLE_LUN (the device has only one
Logical Unit);
t = NO_ATA_1X (don't allow ATA(12) and ATA(16)
@@ -4981,7 +4982,8 @@
w = NO_WP_DETECT (don't test whether the
medium is write-protected).
y = ALWAYS_SYNC (issue a SYNCHRONIZE_CACHE
- even if the device claims no cache)
+ even if the device claims no cache,
+ not on uas)
Example: quirks=0419:aaf5:rl,0421:0433:rc

user_debug= [KNL,ARM]
diff --git a/Documentation/filesystems/proc.txt b/Documentation/filesystems/proc.txt
index 06ac6dda9b34..0d0ecc7df260 100644
--- a/Documentation/filesystems/proc.txt
+++ b/Documentation/filesystems/proc.txt
@@ -425,6 +425,7 @@ SwapPss: 0 kB
KernelPageSize: 4 kB
MMUPageSize: 4 kB
Locked: 0 kB
+THPeligible: 0
VmFlags: rd ex mr mw me dw

the first of these lines shows the same information as is displayed for the
@@ -462,6 +463,8 @@ replaced by copy-on-write) part of the underlying shmem object out on swap.
"SwapPss" shows proportional swap share of this mapping. Unlike "Swap", this
does not take into account swapped out page of underlying shmem objects.
"Locked" indicates whether the mapping is locked in memory or not.
+"THPeligible" indicates whether the mapping is eligible for THP pages - 1 if
+true, 0 otherwise.

"VmFlags" field deserves a separate description. This member represents the kernel
flags associated with the particular virtual memory area in two letter encoded
diff --git a/Makefile b/Makefile
index 805dbba940a7..39bdbafae517 100644
--- a/Makefile
+++ b/Makefile
@@ -1,7 +1,7 @@
# SPDX-License-Identifier: GPL-2.0
VERSION = 4
PATCHLEVEL = 19
-SUBLEVEL = 89
+SUBLEVEL = 90
EXTRAVERSION =
NAME = "People's Front"

diff --git a/arch/arm/boot/dts/omap3-pandora-common.dtsi b/arch/arm/boot/dts/omap3-pandora-common.dtsi
index 90c98f95b2b3..a51081de7144 100644
--- a/arch/arm/boot/dts/omap3-pandora-common.dtsi
+++ b/arch/arm/boot/dts/omap3-pandora-common.dtsi
@@ -229,6 +229,17 @@
gpio = <&gpio6 4 GPIO_ACTIVE_HIGH>; /* GPIO_164 */
};

+ /* wl1251 wifi+bt module */
+ wlan_en: fixed-regulator-wg7210_en {
+ compatible = "regulator-fixed";
+ regulator-name = "vwlan";
+ regulator-min-microvolt = <1800000>;
+ regulator-max-microvolt = <1800000>;
+ startup-delay-us = <50000>;
+ enable-active-high;
+ gpio = <&gpio1 23 GPIO_ACTIVE_HIGH>;
+ };
+
/* wg7210 (wifi+bt module) 32k clock buffer */
wg7210_32k: fixed-regulator-wg7210_32k {
compatible = "regulator-fixed";
@@ -525,9 +536,30 @@
/*wp-gpios = <&gpio4 31 GPIO_ACTIVE_HIGH>;*/ /* GPIO_127 */
};

-/* mmc3 is probed using pdata-quirks to pass wl1251 card data */
&mmc3 {
- status = "disabled";
+ vmmc-supply = <&wlan_en>;
+
+ bus-width = <4>;
+ non-removable;
+ ti,non-removable;
+ cap-power-off-card;
+
+ pinctrl-names = "default";
+ pinctrl-0 = <&mmc3_pins>;
+
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ wlan: wifi@1 {
+ compatible = "ti,wl1251";
+
+ reg = <1>;
+
+ interrupt-parent = <&gpio1>;
+ interrupts = <21 IRQ_TYPE_LEVEL_HIGH>; /* GPIO_21 */
+
+ ti,wl1251-has-eeprom;
+ };
};

/* bluetooth*/
diff --git a/arch/arm/boot/dts/omap3-tao3530.dtsi b/arch/arm/boot/dts/omap3-tao3530.dtsi
index 6f5bd027b717..7b4ec2c40042 100644
--- a/arch/arm/boot/dts/omap3-tao3530.dtsi
+++ b/arch/arm/boot/dts/omap3-tao3530.dtsi
@@ -225,7 +225,7 @@
pinctrl-0 = <&mmc1_pins>;
vmmc-supply = <&vmmc1>;
vqmmc-supply = <&vsim>;
- cd-gpios = <&twl_gpio 0 GPIO_ACTIVE_HIGH>;
+ cd-gpios = <&twl_gpio 0 GPIO_ACTIVE_LOW>;
bus-width = <8>;
};

diff --git a/arch/arm/mach-omap2/pdata-quirks.c b/arch/arm/mach-omap2/pdata-quirks.c
index 7f02743edbe4..dae726228770 100644
--- a/arch/arm/mach-omap2/pdata-quirks.c
+++ b/arch/arm/mach-omap2/pdata-quirks.c
@@ -305,108 +305,15 @@ static void __init omap3_logicpd_torpedo_init(void)
}

/* omap3pandora legacy devices */
-#define PANDORA_WIFI_IRQ_GPIO 21
-#define PANDORA_WIFI_NRESET_GPIO 23

static struct platform_device pandora_backlight = {
.name = "pandora-backlight",
.id = -1,
};

-static struct regulator_consumer_supply pandora_vmmc3_supply[] = {
- REGULATOR_SUPPLY("vmmc", "omap_hsmmc.2"),
-};
-
-static struct regulator_init_data pandora_vmmc3 = {
- .constraints = {
- .valid_ops_mask = REGULATOR_CHANGE_STATUS,
- },
- .num_consumer_supplies = ARRAY_SIZE(pandora_vmmc3_supply),
- .consumer_supplies = pandora_vmmc3_supply,
-};
-
-static struct fixed_voltage_config pandora_vwlan = {
- .supply_name = "vwlan",
- .microvolts = 1800000, /* 1.8V */
- .gpio = PANDORA_WIFI_NRESET_GPIO,
- .startup_delay = 50000, /* 50ms */
- .enable_high = 1,
- .init_data = &pandora_vmmc3,
-};
-
-static struct platform_device pandora_vwlan_device = {
- .name = "reg-fixed-voltage",
- .id = 1,
- .dev = {
- .platform_data = &pandora_vwlan,
- },
-};
-
-static void pandora_wl1251_init_card(struct mmc_card *card)
-{
- /*
- * We have TI wl1251 attached to MMC3. Pass this information to
- * SDIO core because it can't be probed by normal methods.
- */
- if (card->type == MMC_TYPE_SDIO || card->type == MMC_TYPE_SD_COMBO) {
- card->quirks |= MMC_QUIRK_NONSTD_SDIO;
- card->cccr.wide_bus = 1;
- card->cis.vendor = 0x104c;
- card->cis.device = 0x9066;
- card->cis.blksize = 512;
- card->cis.max_dtr = 24000000;
- card->ocr = 0x80;
- }
-}
-
-static struct omap2_hsmmc_info pandora_mmc3[] = {
- {
- .mmc = 3,
- .caps = MMC_CAP_4_BIT_DATA | MMC_CAP_POWER_OFF_CARD,
- .gpio_cd = -EINVAL,
- .gpio_wp = -EINVAL,
- .init_card = pandora_wl1251_init_card,
- },
- {} /* Terminator */
-};
-
-static void __init pandora_wl1251_init(void)
-{
- struct wl1251_platform_data pandora_wl1251_pdata;
- int ret;
-
- memset(&pandora_wl1251_pdata, 0, sizeof(pandora_wl1251_pdata));
-
- pandora_wl1251_pdata.power_gpio = -1;
-
- ret = gpio_request_one(PANDORA_WIFI_IRQ_GPIO, GPIOF_IN, "wl1251 irq");
- if (ret < 0)
- goto fail;
-
- pandora_wl1251_pdata.irq = gpio_to_irq(PANDORA_WIFI_IRQ_GPIO);
- if (pandora_wl1251_pdata.irq < 0)
- goto fail_irq;
-
- pandora_wl1251_pdata.use_eeprom = true;
- ret = wl1251_set_platform_data(&pandora_wl1251_pdata);
- if (ret < 0)
- goto fail_irq;
-
- return;
-
-fail_irq:
- gpio_free(PANDORA_WIFI_IRQ_GPIO);
-fail:
- pr_err("wl1251 board initialisation failed\n");
-}
-
static void __init omap3_pandora_legacy_init(void)
{
platform_device_register(&pandora_backlight);
- platform_device_register(&pandora_vwlan_device);
- omap_hsmmc_init(pandora_mmc3);
- omap_hsmmc_late_init(pandora_mmc3);
- pandora_wl1251_init();
}
#endif /* CONFIG_ARCH_OMAP3 */

diff --git a/arch/powerpc/include/asm/vdso_datapage.h b/arch/powerpc/include/asm/vdso_datapage.h
index bbc06bd72b1f..4333b9a473dc 100644
--- a/arch/powerpc/include/asm/vdso_datapage.h
+++ b/arch/powerpc/include/asm/vdso_datapage.h
@@ -86,6 +86,7 @@ struct vdso_data {
__s32 wtom_clock_nsec; /* Wall to monotonic clock nsec */
__s64 wtom_clock_sec; /* Wall to monotonic clock sec */
struct timespec stamp_xtime; /* xtime as at tb_orig_stamp */
+ __u32 hrtimer_res; /* hrtimer resolution */
__u32 syscall_map_64[SYSCALL_MAP_SIZE]; /* map of syscalls */
__u32 syscall_map_32[SYSCALL_MAP_SIZE]; /* map of syscalls */
};
@@ -107,6 +108,7 @@ struct vdso_data {
__s32 wtom_clock_nsec;
struct timespec stamp_xtime; /* xtime as at tb_orig_stamp */
__u32 stamp_sec_fraction; /* fractional seconds of stamp_xtime */
+ __u32 hrtimer_res; /* hrtimer resolution */
__u32 syscall_map_32[SYSCALL_MAP_SIZE]; /* map of syscalls */
__u32 dcache_block_size; /* L1 d-cache block size */
__u32 icache_block_size; /* L1 i-cache block size */
diff --git a/arch/powerpc/kernel/Makefile b/arch/powerpc/kernel/Makefile
index eac18790d1b1..d450280e5c29 100644
--- a/arch/powerpc/kernel/Makefile
+++ b/arch/powerpc/kernel/Makefile
@@ -5,8 +5,8 @@

CFLAGS_ptrace.o += -DUTS_MACHINE='"$(UTS_MACHINE)"'

-# Disable clang warning for using setjmp without setjmp.h header
-CFLAGS_crash.o += $(call cc-disable-warning, builtin-requires-header)
+# Avoid clang warnings around longjmp/setjmp declarations
+CFLAGS_crash.o += -ffreestanding

subdir-ccflags-$(CONFIG_PPC_WERROR) := -Werror

diff --git a/arch/powerpc/kernel/asm-offsets.c b/arch/powerpc/kernel/asm-offsets.c
index 7c3738d890e8..50400f213bbf 100644
--- a/arch/powerpc/kernel/asm-offsets.c
+++ b/arch/powerpc/kernel/asm-offsets.c
@@ -379,6 +379,7 @@ int main(void)
OFFSET(WTOM_CLOCK_NSEC, vdso_data, wtom_clock_nsec);
OFFSET(STAMP_XTIME, vdso_data, stamp_xtime);
OFFSET(STAMP_SEC_FRAC, vdso_data, stamp_sec_fraction);
+ OFFSET(CLOCK_HRTIMER_RES, vdso_data, hrtimer_res);
OFFSET(CFG_ICACHE_BLOCKSZ, vdso_data, icache_block_size);
OFFSET(CFG_DCACHE_BLOCKSZ, vdso_data, dcache_block_size);
OFFSET(CFG_ICACHE_LOGBLOCKSZ, vdso_data, icache_log_block_size);
@@ -409,7 +410,6 @@ int main(void)
DEFINE(CLOCK_REALTIME_COARSE, CLOCK_REALTIME_COARSE);
DEFINE(CLOCK_MONOTONIC_COARSE, CLOCK_MONOTONIC_COARSE);
DEFINE(NSEC_PER_SEC, NSEC_PER_SEC);
- DEFINE(CLOCK_REALTIME_RES, MONOTONIC_RES_NSEC);

#ifdef CONFIG_BUG
DEFINE(BUG_ENTRY_SIZE, sizeof(struct bug_entry));
diff --git a/arch/powerpc/kernel/misc_64.S b/arch/powerpc/kernel/misc_64.S
index 1bf6aaefd26a..facc02964ab3 100644
--- a/arch/powerpc/kernel/misc_64.S
+++ b/arch/powerpc/kernel/misc_64.S
@@ -87,7 +87,7 @@ END_FTR_SECTION_IFSET(CPU_FTR_COHERENT_ICACHE)
subf r8,r6,r4 /* compute length */
add r8,r8,r5 /* ensure we get enough */
lwz r9,DCACHEL1LOGBLOCKSIZE(r10) /* Get log-2 of cache block size */
- srw. r8,r8,r9 /* compute line count */
+ srd. r8,r8,r9 /* compute line count */
beqlr /* nothing to do? */
mtctr r8
1: dcbst 0,r6
@@ -103,7 +103,7 @@ END_FTR_SECTION_IFSET(CPU_FTR_COHERENT_ICACHE)
subf r8,r6,r4 /* compute length */
add r8,r8,r5
lwz r9,ICACHEL1LOGBLOCKSIZE(r10) /* Get log-2 of Icache block size */
- srw. r8,r8,r9 /* compute line count */
+ srd. r8,r8,r9 /* compute line count */
beqlr /* nothing to do? */
mtctr r8
2: icbi 0,r6
diff --git a/arch/powerpc/kernel/time.c b/arch/powerpc/kernel/time.c
index 7707990c4c16..8487ad686462 100644
--- a/arch/powerpc/kernel/time.c
+++ b/arch/powerpc/kernel/time.c
@@ -929,6 +929,7 @@ void update_vsyscall(struct timekeeper *tk)
vdso_data->wtom_clock_nsec = tk->wall_to_monotonic.tv_nsec;
vdso_data->stamp_xtime = xt;
vdso_data->stamp_sec_fraction = frac_sec;
+ vdso_data->hrtimer_res = hrtimer_resolution;
smp_wmb();
++(vdso_data->tb_update_count);
}
diff --git a/arch/powerpc/kernel/vdso32/gettimeofday.S b/arch/powerpc/kernel/vdso32/gettimeofday.S
index afd516b572f8..49eecd28aef1 100644
--- a/arch/powerpc/kernel/vdso32/gettimeofday.S
+++ b/arch/powerpc/kernel/vdso32/gettimeofday.S
@@ -160,12 +160,15 @@ V_FUNCTION_BEGIN(__kernel_clock_getres)
cror cr0*4+eq,cr0*4+eq,cr1*4+eq
bne cr0,99f

+ mflr r12
+ .cfi_register lr,r12
+ bl __get_datapage@local /* get data page */
+ lwz r5, CLOCK_HRTIMER_RES(r3)
+ mtlr r12
li r3,0
cmpli cr0,r4,0
crclr cr0*4+so
beqlr
- lis r5,CLOCK_REALTIME_RES@h
- ori r5,r5,CLOCK_REALTIME_RES@l
stw r3,TSPC32_TV_SEC(r4)
stw r5,TSPC32_TV_NSEC(r4)
blr
diff --git a/arch/powerpc/kernel/vdso64/cacheflush.S b/arch/powerpc/kernel/vdso64/cacheflush.S
index 69c5af2b3c96..228a4a2383d6 100644
--- a/arch/powerpc/kernel/vdso64/cacheflush.S
+++ b/arch/powerpc/kernel/vdso64/cacheflush.S
@@ -39,7 +39,7 @@ V_FUNCTION_BEGIN(__kernel_sync_dicache)
subf r8,r6,r4 /* compute length */
add r8,r8,r5 /* ensure we get enough */
lwz r9,CFG_DCACHE_LOGBLOCKSZ(r10)
- srw. r8,r8,r9 /* compute line count */
+ srd. r8,r8,r9 /* compute line count */
crclr cr0*4+so
beqlr /* nothing to do? */
mtctr r8
@@ -56,7 +56,7 @@ V_FUNCTION_BEGIN(__kernel_sync_dicache)
subf r8,r6,r4 /* compute length */
add r8,r8,r5
lwz r9,CFG_ICACHE_LOGBLOCKSZ(r10)
- srw. r8,r8,r9 /* compute line count */
+ srd. r8,r8,r9 /* compute line count */
crclr cr0*4+so
beqlr /* nothing to do? */
mtctr r8
diff --git a/arch/powerpc/kernel/vdso64/gettimeofday.S b/arch/powerpc/kernel/vdso64/gettimeofday.S
index 1f324c28705b..020e90d1079d 100644
--- a/arch/powerpc/kernel/vdso64/gettimeofday.S
+++ b/arch/powerpc/kernel/vdso64/gettimeofday.S
@@ -190,12 +190,15 @@ V_FUNCTION_BEGIN(__kernel_clock_getres)
cror cr0*4+eq,cr0*4+eq,cr1*4+eq
bne cr0,99f

+ mflr r12
+ .cfi_register lr,r12
+ bl V_LOCAL_FUNC(__get_datapage)
+ lwz r5, CLOCK_HRTIMER_RES(r3)
+ mtlr r12
li r3,0
cmpldi cr0,r4,0
crclr cr0*4+so
beqlr
- lis r5,CLOCK_REALTIME_RES@h
- ori r5,r5,CLOCK_REALTIME_RES@l
std r3,TSPC64_TV_SEC(r4)
std r5,TSPC64_TV_NSEC(r4)
blr
diff --git a/arch/powerpc/sysdev/xive/common.c b/arch/powerpc/sysdev/xive/common.c
index f3af53abd40f..3c939b9de488 100644
--- a/arch/powerpc/sysdev/xive/common.c
+++ b/arch/powerpc/sysdev/xive/common.c
@@ -968,6 +968,15 @@ static int xive_irq_alloc_data(unsigned int virq, irq_hw_number_t hw)
xd->target = XIVE_INVALID_TARGET;
irq_set_handler_data(virq, xd);

+ /*
+ * Turn OFF by default the interrupt being mapped. A side
+ * effect of this check is the mapping the ESB page of the
+ * interrupt in the Linux address space. This prevents page
+ * fault issues in the crash handler which masks all
+ * interrupts.
+ */
+ xive_esb_read(xd, XIVE_ESB_SET_PQ_01);
+
return 0;
}

diff --git a/arch/powerpc/sysdev/xive/spapr.c b/arch/powerpc/sysdev/xive/spapr.c
index 575db3b06a6b..e3ebf6469392 100644
--- a/arch/powerpc/sysdev/xive/spapr.c
+++ b/arch/powerpc/sysdev/xive/spapr.c
@@ -359,20 +359,28 @@ static int xive_spapr_populate_irq_data(u32 hw_irq, struct xive_irq_data *data)
data->esb_shift = esb_shift;
data->trig_page = trig_page;

+ data->hw_irq = hw_irq;
+
/*
* No chip-id for the sPAPR backend. This has an impact how we
* pick a target. See xive_pick_irq_target().
*/
data->src_chip = XIVE_INVALID_CHIP_ID;

+ /*
+ * When the H_INT_ESB flag is set, the H_INT_ESB hcall should
+ * be used for interrupt management. Skip the remapping of the
+ * ESB pages which are not available.
+ */
+ if (data->flags & XIVE_IRQ_FLAG_H_INT_ESB)
+ return 0;
+
data->eoi_mmio = ioremap(data->eoi_page, 1u << data->esb_shift);
if (!data->eoi_mmio) {
pr_err("Failed to map EOI page for irq 0x%x\n", hw_irq);
return -ENOMEM;
}

- data->hw_irq = hw_irq;
-
/* Full function page supports trigger */
if (flags & XIVE_SRC_TRIGGER) {
data->trig_mmio = data->eoi_mmio;
diff --git a/arch/powerpc/xmon/Makefile b/arch/powerpc/xmon/Makefile
index 9ba44e190e5e..365e711bebab 100644
--- a/arch/powerpc/xmon/Makefile
+++ b/arch/powerpc/xmon/Makefile
@@ -1,8 +1,8 @@
# SPDX-License-Identifier: GPL-2.0
# Makefile for xmon

-# Disable clang warning for using setjmp without setjmp.h header
-subdir-ccflags-y := $(call cc-disable-warning, builtin-requires-header)
+# Avoid clang warnings around longjmp/setjmp declarations
+subdir-ccflags-y := -ffreestanding

subdir-ccflags-$(CONFIG_PPC_WERROR) += -Werror

diff --git a/arch/s390/include/asm/pgtable.h b/arch/s390/include/asm/pgtable.h
index de05466ce50c..0a326da1562f 100644
--- a/arch/s390/include/asm/pgtable.h
+++ b/arch/s390/include/asm/pgtable.h
@@ -1150,8 +1150,6 @@ void gmap_pmdp_idte_global(struct mm_struct *mm, unsigned long vmaddr);
static inline void set_pte_at(struct mm_struct *mm, unsigned long addr,
pte_t *ptep, pte_t entry)
{
- if (!MACHINE_HAS_NX)
- pte_val(entry) &= ~_PAGE_NOEXEC;
if (pte_present(entry))
pte_val(entry) &= ~_PAGE_UNUSED;
if (mm_has_pgste(mm))
@@ -1168,6 +1166,8 @@ static inline pte_t mk_pte_phys(unsigned long physpage, pgprot_t pgprot)
{
pte_t __pte;
pte_val(__pte) = physpage + pgprot_val(pgprot);
+ if (!MACHINE_HAS_NX)
+ pte_val(__pte) &= ~_PAGE_NOEXEC;
return pte_mkyoung(__pte);
}

diff --git a/arch/s390/kernel/smp.c b/arch/s390/kernel/smp.c
index da02f4087d61..df2413f26a8f 100644
--- a/arch/s390/kernel/smp.c
+++ b/arch/s390/kernel/smp.c
@@ -261,9 +261,12 @@ static void pcpu_prepare_secondary(struct pcpu *pcpu, int cpu)
lc->spinlock_index = 0;
lc->percpu_offset = __per_cpu_offset[cpu];
lc->kernel_asce = S390_lowcore.kernel_asce;
+ lc->user_asce = S390_lowcore.kernel_asce;
lc->machine_flags = S390_lowcore.machine_flags;
lc->user_timer = lc->system_timer = lc->steal_timer = 0;
__ctl_store(lc->cregs_save_area, 0, 15);
+ lc->cregs_save_area[1] = lc->kernel_asce;
+ lc->cregs_save_area[7] = lc->vdso_asce;
save_access_regs((unsigned int *) lc->access_regs_save_area);
memcpy(lc->stfle_fac_list, S390_lowcore.stfle_fac_list,
sizeof(lc->stfle_fac_list));
@@ -810,6 +813,8 @@ static void smp_start_secondary(void *cpuvoid)
restore_access_regs(S390_lowcore.access_regs_save_area);
__ctl_load(S390_lowcore.cregs_save_area, 0, 15);
__load_psw_mask(PSW_KERNEL_BITS | PSW_MASK_DAT);
+ set_cpu_flag(CIF_ASCE_PRIMARY);
+ set_cpu_flag(CIF_ASCE_SECONDARY);
cpu_init();
preempt_disable();
init_cpu_timer();
diff --git a/arch/x86/kernel/cpu/mcheck/mce.c b/arch/x86/kernel/cpu/mcheck/mce.c
index fee118b3b69f..87ed8462a5c7 100644
--- a/arch/x86/kernel/cpu/mcheck/mce.c
+++ b/arch/x86/kernel/cpu/mcheck/mce.c
@@ -1631,36 +1631,6 @@ static int __mcheck_cpu_apply_quirks(struct cpuinfo_x86 *c)
if (c->x86 == 0x15 && c->x86_model <= 0xf)
mce_flags.overflow_recov = 1;

- /*
- * Turn off MC4_MISC thresholding banks on those models since
- * they're not supported there.
- */
- if (c->x86 == 0x15 &&
- (c->x86_model >= 0x10 && c->x86_model <= 0x1f)) {
- int i;
- u64 hwcr;
- bool need_toggle;
- u32 msrs[] = {
- 0x00000413, /* MC4_MISC0 */
- 0xc0000408, /* MC4_MISC1 */
- };
-
- rdmsrl(MSR_K7_HWCR, hwcr);
-
- /* McStatusWrEn has to be set */
- need_toggle = !(hwcr & BIT(18));
-
- if (need_toggle)
- wrmsrl(MSR_K7_HWCR, hwcr | BIT(18));
-
- /* Clear CntP bit safely */
- for (i = 0; i < ARRAY_SIZE(msrs); i++)
- msr_clear_bit(msrs[i], 62);
-
- /* restore old settings */
- if (need_toggle)
- wrmsrl(MSR_K7_HWCR, hwcr);
- }
}

if (c->x86_vendor == X86_VENDOR_INTEL) {
diff --git a/arch/x86/kernel/cpu/mcheck/mce_amd.c b/arch/x86/kernel/cpu/mcheck/mce_amd.c
index 9f915a8791cc..5bdfe52b2c9d 100644
--- a/arch/x86/kernel/cpu/mcheck/mce_amd.c
+++ b/arch/x86/kernel/cpu/mcheck/mce_amd.c
@@ -545,6 +545,40 @@ prepare_threshold_block(unsigned int bank, unsigned int block, u32 addr,
return offset;
}

+/*
+ * Turn off MC4_MISC thresholding banks on all family 0x15 models since
+ * they're not supported there.
+ */
+void disable_err_thresholding(struct cpuinfo_x86 *c)
+{
+ int i;
+ u64 hwcr;
+ bool need_toggle;
+ u32 msrs[] = {
+ 0x00000413, /* MC4_MISC0 */
+ 0xc0000408, /* MC4_MISC1 */
+ };
+
+ if (c->x86 != 0x15)
+ return;
+
+ rdmsrl(MSR_K7_HWCR, hwcr);
+
+ /* McStatusWrEn has to be set */
+ need_toggle = !(hwcr & BIT(18));
+
+ if (need_toggle)
+ wrmsrl(MSR_K7_HWCR, hwcr | BIT(18));
+
+ /* Clear CntP bit safely */
+ for (i = 0; i < ARRAY_SIZE(msrs); i++)
+ msr_clear_bit(msrs[i], 62);
+
+ /* restore old settings */
+ if (need_toggle)
+ wrmsrl(MSR_K7_HWCR, hwcr);
+}
+
/* cpu init entry point, called from mce.c with preempt off */
void mce_amd_feature_init(struct cpuinfo_x86 *c)
{
@@ -552,6 +586,8 @@ void mce_amd_feature_init(struct cpuinfo_x86 *c)
unsigned int bank, block, cpu = smp_processor_id();
int offset = -1;

+ disable_err_thresholding(c);
+
for (bank = 0; bank < mca_cfg.banks; ++bank) {
if (mce_flags.smca)
smca_configure(bank, cpu);
diff --git a/block/blk-merge.c b/block/blk-merge.c
index 1dced51de1c6..2776ee6c5c3d 100644
--- a/block/blk-merge.c
+++ b/block/blk-merge.c
@@ -774,7 +774,7 @@ static struct request *attempt_merge(struct request_queue *q,

req->__data_len += blk_rq_bytes(next);

- if (req_op(req) != REQ_OP_DISCARD)
+ if (!blk_discard_mergable(req))
elv_merge_requests(q, req, next);

/*
diff --git a/block/blk-mq-sysfs.c b/block/blk-mq-sysfs.c
index 0b7297a43ccd..5006a0d00990 100644
--- a/block/blk-mq-sysfs.c
+++ b/block/blk-mq-sysfs.c
@@ -151,20 +151,25 @@ static ssize_t blk_mq_hw_sysfs_nr_reserved_tags_show(struct blk_mq_hw_ctx *hctx,

static ssize_t blk_mq_hw_sysfs_cpus_show(struct blk_mq_hw_ctx *hctx, char *page)
{
+ const size_t size = PAGE_SIZE - 1;
unsigned int i, first = 1;
- ssize_t ret = 0;
+ int ret = 0, pos = 0;

for_each_cpu(i, hctx->cpumask) {
if (first)
- ret += sprintf(ret + page, "%u", i);
+ ret = snprintf(pos + page, size - pos, "%u", i);
else
- ret += sprintf(ret + page, ", %u", i);
+ ret = snprintf(pos + page, size - pos, ", %u", i);
+
+ if (ret >= size - pos)
+ break;

first = 0;
+ pos += ret;
}

- ret += sprintf(ret + page, "\n");
- return ret;
+ ret = snprintf(pos + page, size + 1 - pos, "\n");
+ return pos + ret;
}

static struct attribute *default_ctx_attrs[] = {
diff --git a/drivers/acpi/bus.c b/drivers/acpi/bus.c
index d2e29a19890d..92a146861086 100644
--- a/drivers/acpi/bus.c
+++ b/drivers/acpi/bus.c
@@ -166,7 +166,7 @@ int acpi_bus_get_private_data(acpi_handle handle, void **data)
{
acpi_status status;

- if (!*data)
+ if (!data)
return -EINVAL;

status = acpi_get_data(handle, acpi_bus_private_data_handler, data);
diff --git a/drivers/acpi/device_pm.c b/drivers/acpi/device_pm.c
index 1806260938e8..e0927c5fd282 100644
--- a/drivers/acpi/device_pm.c
+++ b/drivers/acpi/device_pm.c
@@ -1254,9 +1254,19 @@ static void acpi_dev_pm_detach(struct device *dev, bool power_off)
*/
int acpi_dev_pm_attach(struct device *dev, bool power_on)
{
+ /*
+ * Skip devices whose ACPI companions match the device IDs below,
+ * because they require special power management handling incompatible
+ * with the generic ACPI PM domain.
+ */
+ static const struct acpi_device_id special_pm_ids[] = {
+ {"PNP0C0B", }, /* Generic ACPI fan */
+ {"INT3404", }, /* Fan */
+ {}
+ };
struct acpi_device *adev = ACPI_COMPANION(dev);

- if (!adev)
+ if (!adev || !acpi_match_device_ids(adev, special_pm_ids))
return 0;

/*
diff --git a/drivers/acpi/osl.c b/drivers/acpi/osl.c
index b48874b8e1ea..226170365012 100644
--- a/drivers/acpi/osl.c
+++ b/drivers/acpi/osl.c
@@ -374,19 +374,21 @@ void *__ref acpi_os_map_memory(acpi_physical_address phys, acpi_size size)
}
EXPORT_SYMBOL_GPL(acpi_os_map_memory);

-static void acpi_os_drop_map_ref(struct acpi_ioremap *map)
+/* Must be called with mutex_lock(&acpi_ioremap_lock) */
+static unsigned long acpi_os_drop_map_ref(struct acpi_ioremap *map)
{
- if (!--map->refcount)
+ unsigned long refcount = --map->refcount;
+
+ if (!refcount)
list_del_rcu(&map->list);
+ return refcount;
}

static void acpi_os_map_cleanup(struct acpi_ioremap *map)
{
- if (!map->refcount) {
- synchronize_rcu_expedited();
- acpi_unmap(map->phys, map->virt);
- kfree(map);
- }
+ synchronize_rcu_expedited();
+ acpi_unmap(map->phys, map->virt);
+ kfree(map);
}

/**
@@ -406,6 +408,7 @@ static void acpi_os_map_cleanup(struct acpi_ioremap *map)
void __ref acpi_os_unmap_iomem(void __iomem *virt, acpi_size size)
{
struct acpi_ioremap *map;
+ unsigned long refcount;

if (!acpi_permanent_mmap) {
__acpi_unmap_table(virt, size);
@@ -419,10 +422,11 @@ void __ref acpi_os_unmap_iomem(void __iomem *virt, acpi_size size)
WARN(true, PREFIX "%s: bad address %p\n", __func__, virt);
return;
}
- acpi_os_drop_map_ref(map);
+ refcount = acpi_os_drop_map_ref(map);
mutex_unlock(&acpi_ioremap_lock);

- acpi_os_map_cleanup(map);
+ if (!refcount)
+ acpi_os_map_cleanup(map);
}
EXPORT_SYMBOL_GPL(acpi_os_unmap_iomem);

@@ -457,6 +461,7 @@ void acpi_os_unmap_generic_address(struct acpi_generic_address *gas)
{
u64 addr;
struct acpi_ioremap *map;
+ unsigned long refcount;

if (gas->space_id != ACPI_ADR_SPACE_SYSTEM_MEMORY)
return;
@@ -472,10 +477,11 @@ void acpi_os_unmap_generic_address(struct acpi_generic_address *gas)
mutex_unlock(&acpi_ioremap_lock);
return;
}
- acpi_os_drop_map_ref(map);
+ refcount = acpi_os_drop_map_ref(map);
mutex_unlock(&acpi_ioremap_lock);

- acpi_os_map_cleanup(map);
+ if (!refcount)
+ acpi_os_map_cleanup(map);
}
EXPORT_SYMBOL(acpi_os_unmap_generic_address);

diff --git a/drivers/block/drbd/drbd_state.c b/drivers/block/drbd/drbd_state.c
index 0813c654c893..b452359b6aae 100644
--- a/drivers/block/drbd/drbd_state.c
+++ b/drivers/block/drbd/drbd_state.c
@@ -688,11 +688,9 @@ request_detach(struct drbd_device *device)
CS_VERBOSE | CS_ORDERED | CS_INHIBIT_MD_IO);
}

-enum drbd_state_rv
-drbd_request_detach_interruptible(struct drbd_device *device)
+int drbd_request_detach_interruptible(struct drbd_device *device)
{
- enum drbd_state_rv rv;
- int ret;
+ int ret, rv;

drbd_suspend_io(device); /* so no-one is stuck in drbd_al_begin_io */
wait_event_interruptible(device->state_wait,
diff --git a/drivers/block/drbd/drbd_state.h b/drivers/block/drbd/drbd_state.h
index b2a390ba73a0..f87371e55e68 100644
--- a/drivers/block/drbd/drbd_state.h
+++ b/drivers/block/drbd/drbd_state.h
@@ -162,8 +162,7 @@ static inline int drbd_request_state(struct drbd_device *device,
}

/* for use in adm_detach() (drbd_adm_detach(), drbd_adm_down()) */
-enum drbd_state_rv
-drbd_request_detach_interruptible(struct drbd_device *device);
+int drbd_request_detach_interruptible(struct drbd_device *device);

enum drbd_role conn_highest_role(struct drbd_connection *connection);
enum drbd_role conn_highest_peer(struct drbd_connection *connection);
diff --git a/drivers/char/hw_random/omap-rng.c b/drivers/char/hw_random/omap-rng.c
index e9b6ac61fb7f..498825242634 100644
--- a/drivers/char/hw_random/omap-rng.c
+++ b/drivers/char/hw_random/omap-rng.c
@@ -66,6 +66,13 @@
#define OMAP4_RNG_OUTPUT_SIZE 0x8
#define EIP76_RNG_OUTPUT_SIZE 0x10

+/*
+ * EIP76 RNG takes approx. 700us to produce 16 bytes of output data
+ * as per testing results. And to account for the lack of udelay()'s
+ * reliability, we keep the timeout as 1000us.
+ */
+#define RNG_DATA_FILL_TIMEOUT 100
+
enum {
RNG_OUTPUT_0_REG = 0,
RNG_OUTPUT_1_REG,
@@ -176,7 +183,7 @@ static int omap_rng_do_read(struct hwrng *rng, void *data, size_t max,
if (max < priv->pdata->data_size)
return 0;

- for (i = 0; i < 20; i++) {
+ for (i = 0; i < RNG_DATA_FILL_TIMEOUT; i++) {
present = priv->pdata->data_present(priv);
if (present || !wait)
break;
diff --git a/drivers/char/ppdev.c b/drivers/char/ppdev.c
index 1ae77b41050a..51faafd310a2 100644
--- a/drivers/char/ppdev.c
+++ b/drivers/char/ppdev.c
@@ -623,20 +623,27 @@ static int pp_do_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
if (copy_from_user(time32, argp, sizeof(time32)))
return -EFAULT;

+ if ((time32[0] < 0) || (time32[1] < 0))
+ return -EINVAL;
+
return pp_set_timeout(pp->pdev, time32[0], time32[1]);

case PPSETTIME64:
if (copy_from_user(time64, argp, sizeof(time64)))
return -EFAULT;

+ if ((time64[0] < 0) || (time64[1] < 0))
+ return -EINVAL;
+
+ if (IS_ENABLED(CONFIG_SPARC64) && !in_compat_syscall())
+ time64[1] >>= 32;
+
return pp_set_timeout(pp->pdev, time64[0], time64[1]);

case PPGETTIME32:
jiffies_to_timespec64(pp->pdev->timeout, &ts);
time32[0] = ts.tv_sec;
time32[1] = ts.tv_nsec / NSEC_PER_USEC;
- if ((time32[0] < 0) || (time32[1] < 0))
- return -EINVAL;

if (copy_to_user(argp, time32, sizeof(time32)))
return -EFAULT;
@@ -647,8 +654,9 @@ static int pp_do_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
jiffies_to_timespec64(pp->pdev->timeout, &ts);
time64[0] = ts.tv_sec;
time64[1] = ts.tv_nsec / NSEC_PER_USEC;
- if ((time64[0] < 0) || (time64[1] < 0))
- return -EINVAL;
+
+ if (IS_ENABLED(CONFIG_SPARC64) && !in_compat_syscall())
+ time64[1] <<= 32;

if (copy_to_user(argp, time64, sizeof(time64)))
return -EFAULT;
diff --git a/drivers/char/tpm/tpm2-cmd.c b/drivers/char/tpm/tpm2-cmd.c
index 3acf4fd4e5a5..ef381caf5f43 100644
--- a/drivers/char/tpm/tpm2-cmd.c
+++ b/drivers/char/tpm/tpm2-cmd.c
@@ -938,6 +938,10 @@ static int tpm2_get_cc_attrs_tbl(struct tpm_chip *chip)

chip->cc_attrs_tbl = devm_kcalloc(&chip->dev, 4, nr_commands,
GFP_KERNEL);
+ if (!chip->cc_attrs_tbl) {
+ rc = -ENOMEM;
+ goto out;
+ }

rc = tpm_buf_init(&buf, TPM2_ST_NO_SESSIONS, TPM2_CC_GET_CAPABILITY);
if (rc)
diff --git a/drivers/cpufreq/powernv-cpufreq.c b/drivers/cpufreq/powernv-cpufreq.c
index bf6519cf64bc..5fff39dae625 100644
--- a/drivers/cpufreq/powernv-cpufreq.c
+++ b/drivers/cpufreq/powernv-cpufreq.c
@@ -1042,9 +1042,14 @@ static struct cpufreq_driver powernv_cpufreq_driver = {

static int init_chip_info(void)
{
- unsigned int chip[256];
+ unsigned int *chip;
unsigned int cpu, i;
unsigned int prev_chip_id = UINT_MAX;
+ int ret = 0;
+
+ chip = kcalloc(num_possible_cpus(), sizeof(*chip), GFP_KERNEL);
+ if (!chip)
+ return -ENOMEM;

for_each_possible_cpu(cpu) {
unsigned int id = cpu_to_chip_id(cpu);
@@ -1056,8 +1061,10 @@ static int init_chip_info(void)
}

chips = kcalloc(nr_chips, sizeof(struct chip), GFP_KERNEL);
- if (!chips)
- return -ENOMEM;
+ if (!chips) {
+ ret = -ENOMEM;
+ goto free_and_return;
+ }

for (i = 0; i < nr_chips; i++) {
chips[i].id = chip[i];
@@ -1067,7 +1074,9 @@ static int init_chip_info(void)
per_cpu(chip_info, cpu) = &chips[i];
}

- return 0;
+free_and_return:
+ kfree(chip);
+ return ret;
}

static inline void clean_chip_info(void)
diff --git a/drivers/cpuidle/driver.c b/drivers/cpuidle/driver.c
index dc32f34e68d9..01acd88c4193 100644
--- a/drivers/cpuidle/driver.c
+++ b/drivers/cpuidle/driver.c
@@ -62,24 +62,23 @@ static inline void __cpuidle_unset_driver(struct cpuidle_driver *drv)
* __cpuidle_set_driver - set per CPU driver variables for the given driver.
* @drv: a valid pointer to a struct cpuidle_driver
*
- * For each CPU in the driver's cpumask, unset the registered driver per CPU
- * to @drv.
- *
- * Returns 0 on success, -EBUSY if the CPUs have driver(s) already.
+ * Returns 0 on success, -EBUSY if any CPU in the cpumask have a driver
+ * different from drv already.
*/
static inline int __cpuidle_set_driver(struct cpuidle_driver *drv)
{
int cpu;

for_each_cpu(cpu, drv->cpumask) {
+ struct cpuidle_driver *old_drv;

- if (__cpuidle_get_cpu_driver(cpu)) {
- __cpuidle_unset_driver(drv);
+ old_drv = __cpuidle_get_cpu_driver(cpu);
+ if (old_drv && old_drv != drv)
return -EBUSY;
- }
+ }

+ for_each_cpu(cpu, drv->cpumask)
per_cpu(cpuidle_drivers, cpu) = drv;
- }

return 0;
}
diff --git a/drivers/devfreq/devfreq.c b/drivers/devfreq/devfreq.c
index d350253d161a..61fbaa89d7b4 100644
--- a/drivers/devfreq/devfreq.c
+++ b/drivers/devfreq/devfreq.c
@@ -163,6 +163,7 @@ int devfreq_update_status(struct devfreq *devfreq, unsigned long freq)
int lev, prev_lev, ret = 0;
unsigned long cur_time;

+ lockdep_assert_held(&devfreq->lock);
cur_time = jiffies;

/* Immediately exit if previous_freq is not initialized yet. */
@@ -1287,12 +1288,17 @@ static ssize_t trans_stat_show(struct device *dev,
int i, j;
unsigned int max_state = devfreq->profile->max_state;

- if (!devfreq->stop_polling &&
- devfreq_update_status(devfreq, devfreq->previous_freq))
- return 0;
if (max_state == 0)
return sprintf(buf, "Not Supported.\n");

+ mutex_lock(&devfreq->lock);
+ if (!devfreq->stop_polling &&
+ devfreq_update_status(devfreq, devfreq->previous_freq)) {
+ mutex_unlock(&devfreq->lock);
+ return 0;
+ }
+ mutex_unlock(&devfreq->lock);
+
len = sprintf(buf, " From : To\n");
len += sprintf(buf + len, " :");
for (i = 0; i < max_state; i++)
diff --git a/drivers/firmware/arm_scmi/bus.c b/drivers/firmware/arm_scmi/bus.c
index 92f843eaf1e0..7a30952b463d 100644
--- a/drivers/firmware/arm_scmi/bus.c
+++ b/drivers/firmware/arm_scmi/bus.c
@@ -135,8 +135,10 @@ scmi_device_create(struct device_node *np, struct device *parent, int protocol)
return NULL;

id = ida_simple_get(&scmi_bus_id, 1, 0, GFP_KERNEL);
- if (id < 0)
- goto free_mem;
+ if (id < 0) {
+ kfree(scmi_dev);
+ return NULL;
+ }

scmi_dev->id = id;
scmi_dev->protocol_id = protocol;
@@ -154,8 +156,6 @@ scmi_device_create(struct device_node *np, struct device *parent, int protocol)
put_dev:
put_device(&scmi_dev->dev);
ida_simple_remove(&scmi_bus_id, id);
-free_mem:
- kfree(scmi_dev);
return NULL;
}

diff --git a/drivers/firmware/qcom_scm-64.c b/drivers/firmware/qcom_scm-64.c
index 688525dd4aee..367e727a8f93 100644
--- a/drivers/firmware/qcom_scm-64.c
+++ b/drivers/firmware/qcom_scm-64.c
@@ -158,7 +158,7 @@ static int qcom_scm_call(struct device *dev, u32 svc_id, u32 cmd_id,
kfree(args_virt);
}

- if (res->a0 < 0)
+ if ((long)res->a0 < 0)
return qcom_scm_remap_error(res->a0);

return 0;
diff --git a/drivers/gpio/gpiolib-acpi.c b/drivers/gpio/gpiolib-acpi.c
index cf2604e63599..8edbb3f0c101 100644
--- a/drivers/gpio/gpiolib-acpi.c
+++ b/drivers/gpio/gpiolib-acpi.c
@@ -1265,11 +1265,28 @@ late_initcall_sync(acpi_gpio_handle_deferred_request_irqs);

static const struct dmi_system_id run_edge_events_on_boot_blacklist[] = {
{
+ /*
+ * The Minix Neo Z83-4 has a micro-USB-B id-pin handler for
+ * a non existing micro-USB-B connector which puts the HDMI
+ * DDC pins in GPIO mode, breaking HDMI support.
+ */
.matches = {
DMI_MATCH(DMI_SYS_VENDOR, "MINIX"),
DMI_MATCH(DMI_PRODUCT_NAME, "Z83-4"),
}
},
+ {
+ /*
+ * The Terra Pad 1061 has a micro-USB-B id-pin handler, which
+ * instead of controlling the actual micro-USB-B turns the 5V
+ * boost for its USB-A connector off. The actual micro-USB-B
+ * connector is wired for charging only.
+ */
+ .matches = {
+ DMI_MATCH(DMI_SYS_VENDOR, "Wortmann_AG"),
+ DMI_MATCH(DMI_PRODUCT_NAME, "TERRA_PAD_1061"),
+ }
+ },
{} /* Terminating entry */
};

diff --git a/drivers/hwtracing/intel_th/core.c b/drivers/hwtracing/intel_th/core.c
index fc6b7f8b62fb..a8e750291643 100644
--- a/drivers/hwtracing/intel_th/core.c
+++ b/drivers/hwtracing/intel_th/core.c
@@ -629,10 +629,8 @@ intel_th_subdevice_alloc(struct intel_th *th,
}

err = intel_th_device_add_resources(thdev, res, subdev->nres);
- if (err) {
- put_device(&thdev->dev);
+ if (err)
goto fail_put_device;
- }

if (subdev->type == INTEL_TH_OUTPUT) {
thdev->dev.devt = MKDEV(th->major, th->num_thdevs);
@@ -646,10 +644,8 @@ intel_th_subdevice_alloc(struct intel_th *th,
}

err = device_add(&thdev->dev);
- if (err) {
- put_device(&thdev->dev);
+ if (err)
goto fail_free_res;
- }

/* need switch driver to be loaded to enumerate the rest */
if (subdev->type == INTEL_TH_SWITCH && !req) {
diff --git a/drivers/hwtracing/intel_th/pci.c b/drivers/hwtracing/intel_th/pci.c
index 8421009d3a9d..24ab3cb426a7 100644
--- a/drivers/hwtracing/intel_th/pci.c
+++ b/drivers/hwtracing/intel_th/pci.c
@@ -185,6 +185,16 @@ static const struct pci_device_id intel_th_pci_id_table[] = {
PCI_DEVICE(PCI_VENDOR_ID_INTEL, 0x45c5),
.driver_data = (kernel_ulong_t)&intel_th_2x,
},
+ {
+ /* Ice Lake CPU */
+ PCI_DEVICE(PCI_VENDOR_ID_INTEL, 0x8a29),
+ .driver_data = (kernel_ulong_t)&intel_th_2x,
+ },
+ {
+ /* Tiger Lake CPU */
+ PCI_DEVICE(PCI_VENDOR_ID_INTEL, 0x9a33),
+ .driver_data = (kernel_ulong_t)&intel_th_2x,
+ },
{
/* Tiger Lake PCH */
PCI_DEVICE(PCI_VENDOR_ID_INTEL, 0xa0a6),
diff --git a/drivers/iio/humidity/hdc100x.c b/drivers/iio/humidity/hdc100x.c
index 066e05f92081..ff6666ac5d68 100644
--- a/drivers/iio/humidity/hdc100x.c
+++ b/drivers/iio/humidity/hdc100x.c
@@ -229,7 +229,7 @@ static int hdc100x_read_raw(struct iio_dev *indio_dev,
*val2 = 65536;
return IIO_VAL_FRACTIONAL;
} else {
- *val = 100;
+ *val = 100000;
*val2 = 65536;
return IIO_VAL_FRACTIONAL;
}
diff --git a/drivers/iio/imu/adis16480.c b/drivers/iio/imu/adis16480.c
index d3af4f28cbbb..ea24701beb3e 100644
--- a/drivers/iio/imu/adis16480.c
+++ b/drivers/iio/imu/adis16480.c
@@ -727,6 +727,7 @@ static const struct iio_info adis16480_info = {
.read_raw = &adis16480_read_raw,
.write_raw = &adis16480_write_raw,
.update_scan_mode = adis_update_scan_mode,
+ .debugfs_reg_access = adis_debugfs_reg_access,
};

static int adis16480_stop_device(struct iio_dev *indio_dev)
diff --git a/drivers/iio/imu/inv_mpu6050/inv_mpu_core.c b/drivers/iio/imu/inv_mpu6050/inv_mpu_core.c
index baba8e5459d0..6b560d99f385 100644
--- a/drivers/iio/imu/inv_mpu6050/inv_mpu_core.c
+++ b/drivers/iio/imu/inv_mpu6050/inv_mpu_core.c
@@ -122,6 +122,7 @@ static const struct inv_mpu6050_hw hw_info[] = {
.reg = &reg_set_6050,
.config = &chip_config_6050,
.fifo_size = 1024,
+ .temp = {INV_MPU6050_TEMP_OFFSET, INV_MPU6050_TEMP_SCALE},
},
{
.whoami = INV_MPU6500_WHOAMI_VALUE,
@@ -129,6 +130,7 @@ static const struct inv_mpu6050_hw hw_info[] = {
.reg = &reg_set_6500,
.config = &chip_config_6050,
.fifo_size = 512,
+ .temp = {INV_MPU6500_TEMP_OFFSET, INV_MPU6500_TEMP_SCALE},
},
{
.whoami = INV_MPU6515_WHOAMI_VALUE,
@@ -136,6 +138,7 @@ static const struct inv_mpu6050_hw hw_info[] = {
.reg = &reg_set_6500,
.config = &chip_config_6050,
.fifo_size = 512,
+ .temp = {INV_MPU6500_TEMP_OFFSET, INV_MPU6500_TEMP_SCALE},
},
{
.whoami = INV_MPU6000_WHOAMI_VALUE,
@@ -143,6 +146,7 @@ static const struct inv_mpu6050_hw hw_info[] = {
.reg = &reg_set_6050,
.config = &chip_config_6050,
.fifo_size = 1024,
+ .temp = {INV_MPU6050_TEMP_OFFSET, INV_MPU6050_TEMP_SCALE},
},
{
.whoami = INV_MPU9150_WHOAMI_VALUE,
@@ -150,6 +154,7 @@ static const struct inv_mpu6050_hw hw_info[] = {
.reg = &reg_set_6050,
.config = &chip_config_6050,
.fifo_size = 1024,
+ .temp = {INV_MPU6050_TEMP_OFFSET, INV_MPU6050_TEMP_SCALE},
},
{
.whoami = INV_MPU9250_WHOAMI_VALUE,
@@ -157,6 +162,7 @@ static const struct inv_mpu6050_hw hw_info[] = {
.reg = &reg_set_6500,
.config = &chip_config_6050,
.fifo_size = 512,
+ .temp = {INV_MPU6500_TEMP_OFFSET, INV_MPU6500_TEMP_SCALE},
},
{
.whoami = INV_MPU9255_WHOAMI_VALUE,
@@ -164,6 +170,7 @@ static const struct inv_mpu6050_hw hw_info[] = {
.reg = &reg_set_6500,
.config = &chip_config_6050,
.fifo_size = 512,
+ .temp = {INV_MPU6500_TEMP_OFFSET, INV_MPU6500_TEMP_SCALE},
},
{
.whoami = INV_ICM20608_WHOAMI_VALUE,
@@ -171,6 +178,7 @@ static const struct inv_mpu6050_hw hw_info[] = {
.reg = &reg_set_6500,
.config = &chip_config_6050,
.fifo_size = 512,
+ .temp = {INV_ICM20608_TEMP_OFFSET, INV_ICM20608_TEMP_SCALE},
},
{
.whoami = INV_ICM20602_WHOAMI_VALUE,
@@ -178,6 +186,7 @@ static const struct inv_mpu6050_hw hw_info[] = {
.reg = &reg_set_icm20602,
.config = &chip_config_6050,
.fifo_size = 1008,
+ .temp = {INV_ICM20608_TEMP_OFFSET, INV_ICM20608_TEMP_SCALE},
},
};

@@ -478,12 +487,8 @@ inv_mpu6050_read_raw(struct iio_dev *indio_dev,

return IIO_VAL_INT_PLUS_MICRO;
case IIO_TEMP:
- *val = 0;
- if (st->chip_type == INV_ICM20602)
- *val2 = INV_ICM20602_TEMP_SCALE;
- else
- *val2 = INV_MPU6050_TEMP_SCALE;
-
+ *val = st->hw->temp.scale / 1000000;
+ *val2 = st->hw->temp.scale % 1000000;
return IIO_VAL_INT_PLUS_MICRO;
default:
return -EINVAL;
@@ -491,11 +496,7 @@ inv_mpu6050_read_raw(struct iio_dev *indio_dev,
case IIO_CHAN_INFO_OFFSET:
switch (chan->type) {
case IIO_TEMP:
- if (st->chip_type == INV_ICM20602)
- *val = INV_ICM20602_TEMP_OFFSET;
- else
- *val = INV_MPU6050_TEMP_OFFSET;
-
+ *val = st->hw->temp.offset;
return IIO_VAL_INT;
default:
return -EINVAL;
@@ -859,6 +860,25 @@ static const struct iio_chan_spec inv_mpu_channels[] = {
INV_MPU6050_CHAN(IIO_ACCEL, IIO_MOD_Z, INV_MPU6050_SCAN_ACCL_Z),
};

+static const unsigned long inv_mpu_scan_masks[] = {
+ /* 3-axis accel */
+ BIT(INV_MPU6050_SCAN_ACCL_X)
+ | BIT(INV_MPU6050_SCAN_ACCL_Y)
+ | BIT(INV_MPU6050_SCAN_ACCL_Z),
+ /* 3-axis gyro */
+ BIT(INV_MPU6050_SCAN_GYRO_X)
+ | BIT(INV_MPU6050_SCAN_GYRO_Y)
+ | BIT(INV_MPU6050_SCAN_GYRO_Z),
+ /* 6-axis accel + gyro */
+ BIT(INV_MPU6050_SCAN_ACCL_X)
+ | BIT(INV_MPU6050_SCAN_ACCL_Y)
+ | BIT(INV_MPU6050_SCAN_ACCL_Z)
+ | BIT(INV_MPU6050_SCAN_GYRO_X)
+ | BIT(INV_MPU6050_SCAN_GYRO_Y)
+ | BIT(INV_MPU6050_SCAN_GYRO_Z),
+ 0,
+};
+
static const struct iio_chan_spec inv_icm20602_channels[] = {
IIO_CHAN_SOFT_TIMESTAMP(INV_ICM20602_SCAN_TIMESTAMP),
{
@@ -885,6 +905,28 @@ static const struct iio_chan_spec inv_icm20602_channels[] = {
INV_MPU6050_CHAN(IIO_ACCEL, IIO_MOD_Z, INV_ICM20602_SCAN_ACCL_Z),
};

+static const unsigned long inv_icm20602_scan_masks[] = {
+ /* 3-axis accel + temp (mandatory) */
+ BIT(INV_ICM20602_SCAN_ACCL_X)
+ | BIT(INV_ICM20602_SCAN_ACCL_Y)
+ | BIT(INV_ICM20602_SCAN_ACCL_Z)
+ | BIT(INV_ICM20602_SCAN_TEMP),
+ /* 3-axis gyro + temp (mandatory) */
+ BIT(INV_ICM20602_SCAN_GYRO_X)
+ | BIT(INV_ICM20602_SCAN_GYRO_Y)
+ | BIT(INV_ICM20602_SCAN_GYRO_Z)
+ | BIT(INV_ICM20602_SCAN_TEMP),
+ /* 6-axis accel + gyro + temp (mandatory) */
+ BIT(INV_ICM20602_SCAN_ACCL_X)
+ | BIT(INV_ICM20602_SCAN_ACCL_Y)
+ | BIT(INV_ICM20602_SCAN_ACCL_Z)
+ | BIT(INV_ICM20602_SCAN_GYRO_X)
+ | BIT(INV_ICM20602_SCAN_GYRO_Y)
+ | BIT(INV_ICM20602_SCAN_GYRO_Z)
+ | BIT(INV_ICM20602_SCAN_TEMP),
+ 0,
+};
+
/*
* The user can choose any frequency between INV_MPU6050_MIN_FIFO_RATE and
* INV_MPU6050_MAX_FIFO_RATE, but only these frequencies are matched by the
@@ -1089,9 +1131,11 @@ int inv_mpu_core_probe(struct regmap *regmap, int irq, const char *name,
if (chip_type == INV_ICM20602) {
indio_dev->channels = inv_icm20602_channels;
indio_dev->num_channels = ARRAY_SIZE(inv_icm20602_channels);
+ indio_dev->available_scan_masks = inv_icm20602_scan_masks;
} else {
indio_dev->channels = inv_mpu_channels;
indio_dev->num_channels = ARRAY_SIZE(inv_mpu_channels);
+ indio_dev->available_scan_masks = inv_mpu_scan_masks;
}

indio_dev->info = &mpu_info;
diff --git a/drivers/iio/imu/inv_mpu6050/inv_mpu_iio.h b/drivers/iio/imu/inv_mpu6050/inv_mpu_iio.h
index 6ef872f97c17..220eba58cfbb 100644
--- a/drivers/iio/imu/inv_mpu6050/inv_mpu_iio.h
+++ b/drivers/iio/imu/inv_mpu6050/inv_mpu_iio.h
@@ -109,6 +109,7 @@ struct inv_mpu6050_chip_config {
* @reg: register map of the chip.
* @config: configuration of the chip.
* @fifo_size: size of the FIFO in bytes.
+ * @temp: offset and scale to apply to raw temperature.
*/
struct inv_mpu6050_hw {
u8 whoami;
@@ -116,6 +117,10 @@ struct inv_mpu6050_hw {
const struct inv_mpu6050_reg_map *reg;
const struct inv_mpu6050_chip_config *config;
size_t fifo_size;
+ struct {
+ int offset;
+ int scale;
+ } temp;
};

/*
@@ -224,16 +229,19 @@ struct inv_mpu6050_state {
#define INV_MPU6050_REG_UP_TIME_MIN 5000
#define INV_MPU6050_REG_UP_TIME_MAX 10000

-#define INV_MPU6050_TEMP_OFFSET 12421
-#define INV_MPU6050_TEMP_SCALE 2941
+#define INV_MPU6050_TEMP_OFFSET 12420
+#define INV_MPU6050_TEMP_SCALE 2941176
#define INV_MPU6050_MAX_GYRO_FS_PARAM 3
#define INV_MPU6050_MAX_ACCL_FS_PARAM 3
#define INV_MPU6050_THREE_AXIS 3
#define INV_MPU6050_GYRO_CONFIG_FSR_SHIFT 3
#define INV_MPU6050_ACCL_CONFIG_FSR_SHIFT 3

-#define INV_ICM20602_TEMP_OFFSET 8170
-#define INV_ICM20602_TEMP_SCALE 3060
+#define INV_MPU6500_TEMP_OFFSET 7011
+#define INV_MPU6500_TEMP_SCALE 2995178
+
+#define INV_ICM20608_TEMP_OFFSET 8170
+#define INV_ICM20608_TEMP_SCALE 3059976

/* 6 + 6 round up and plus 8 */
#define INV_MPU6050_OUTPUT_DATA_SIZE 24
diff --git a/drivers/isdn/gigaset/usb-gigaset.c b/drivers/isdn/gigaset/usb-gigaset.c
index eade36dafa34..4c239f18240d 100644
--- a/drivers/isdn/gigaset/usb-gigaset.c
+++ b/drivers/isdn/gigaset/usb-gigaset.c
@@ -574,8 +574,7 @@ static int gigaset_initcshw(struct cardstate *cs)
{
struct usb_cardstate *ucs;

- cs->hw.usb = ucs =
- kmalloc(sizeof(struct usb_cardstate), GFP_KERNEL);
+ cs->hw.usb = ucs = kzalloc(sizeof(struct usb_cardstate), GFP_KERNEL);
if (!ucs) {
pr_err("out of memory\n");
return -ENOMEM;
@@ -587,9 +586,6 @@ static int gigaset_initcshw(struct cardstate *cs)
ucs->bchars[3] = 0;
ucs->bchars[4] = 0x11;
ucs->bchars[5] = 0x13;
- ucs->bulk_out_buffer = NULL;
- ucs->bulk_out_urb = NULL;
- ucs->read_urb = NULL;
tasklet_init(&cs->write_tasklet,
gigaset_modem_fill, (unsigned long) cs);

@@ -688,6 +684,11 @@ static int gigaset_probe(struct usb_interface *interface,
return -ENODEV;
}

+ if (hostif->desc.bNumEndpoints < 2) {
+ dev_err(&interface->dev, "missing endpoints\n");
+ return -ENODEV;
+ }
+
dev_info(&udev->dev, "%s: Device matched ... !\n", __func__);

/* allocate memory for our device state and initialize it */
@@ -707,6 +708,12 @@ static int gigaset_probe(struct usb_interface *interface,

endpoint = &hostif->endpoint[0].desc;

+ if (!usb_endpoint_is_bulk_out(endpoint)) {
+ dev_err(&interface->dev, "missing bulk-out endpoint\n");
+ retval = -ENODEV;
+ goto error;
+ }
+
buffer_size = le16_to_cpu(endpoint->wMaxPacketSize);
ucs->bulk_out_size = buffer_size;
ucs->bulk_out_epnum = usb_endpoint_num(endpoint);
@@ -726,6 +733,12 @@ static int gigaset_probe(struct usb_interface *interface,

endpoint = &hostif->endpoint[1].desc;

+ if (!usb_endpoint_is_int_in(endpoint)) {
+ dev_err(&interface->dev, "missing int-in endpoint\n");
+ retval = -ENODEV;
+ goto error;
+ }
+
ucs->busy = 0;

ucs->read_urb = usb_alloc_urb(0, GFP_KERNEL);
diff --git a/drivers/leds/trigger/ledtrig-netdev.c b/drivers/leds/trigger/ledtrig-netdev.c
index 136f86a1627d..d5e774d83021 100644
--- a/drivers/leds/trigger/ledtrig-netdev.c
+++ b/drivers/leds/trigger/ledtrig-netdev.c
@@ -302,10 +302,12 @@ static int netdev_trig_notify(struct notifier_block *nb,
container_of(nb, struct led_netdev_data, notifier);

if (evt != NETDEV_UP && evt != NETDEV_DOWN && evt != NETDEV_CHANGE
- && evt != NETDEV_REGISTER && evt != NETDEV_UNREGISTER)
+ && evt != NETDEV_REGISTER && evt != NETDEV_UNREGISTER
+ && evt != NETDEV_CHANGENAME)
return NOTIFY_DONE;

if (!(dev == trigger_data->net_dev ||
+ (evt == NETDEV_CHANGENAME && !strcmp(dev->name, trigger_data->device_name)) ||
(evt == NETDEV_REGISTER && !strcmp(dev->name, trigger_data->device_name))))
return NOTIFY_DONE;

@@ -315,6 +317,7 @@ static int netdev_trig_notify(struct notifier_block *nb,

clear_bit(NETDEV_LED_MODE_LINKUP, &trigger_data->mode);
switch (evt) {
+ case NETDEV_CHANGENAME:
case NETDEV_REGISTER:
if (trigger_data->net_dev)
dev_put(trigger_data->net_dev);
diff --git a/drivers/md/dm-writecache.c b/drivers/md/dm-writecache.c
index 5f1f80d424dd..503c4265ecbe 100644
--- a/drivers/md/dm-writecache.c
+++ b/drivers/md/dm-writecache.c
@@ -1223,7 +1223,8 @@ static int writecache_map(struct dm_target *ti, struct bio *bio)
}
} while (bio->bi_iter.bi_size);

- if (unlikely(wc->uncommitted_blocks >= wc->autocommit_blocks))
+ if (unlikely(bio->bi_opf & REQ_FUA ||
+ wc->uncommitted_blocks >= wc->autocommit_blocks))
writecache_flush(wc);
else
writecache_schedule_autocommit(wc);
diff --git a/drivers/md/dm-zoned-metadata.c b/drivers/md/dm-zoned-metadata.c
index 7e8d7fc99410..c2c17149d968 100644
--- a/drivers/md/dm-zoned-metadata.c
+++ b/drivers/md/dm-zoned-metadata.c
@@ -552,6 +552,7 @@ static struct dmz_mblock *dmz_get_mblock(struct dmz_metadata *zmd,
TASK_UNINTERRUPTIBLE);
if (test_bit(DMZ_META_ERROR, &mblk->state)) {
dmz_release_mblock(zmd, mblk);
+ dmz_check_bdev(zmd->dev);
return ERR_PTR(-EIO);
}

@@ -623,6 +624,8 @@ static int dmz_rdwr_block(struct dmz_metadata *zmd, int op, sector_t block,
ret = submit_bio_wait(bio);
bio_put(bio);

+ if (ret)
+ dmz_check_bdev(zmd->dev);
return ret;
}

@@ -689,6 +692,7 @@ static int dmz_write_dirty_mblocks(struct dmz_metadata *zmd,
TASK_UNINTERRUPTIBLE);
if (test_bit(DMZ_META_ERROR, &mblk->state)) {
clear_bit(DMZ_META_ERROR, &mblk->state);
+ dmz_check_bdev(zmd->dev);
ret = -EIO;
}
nr_mblks_submitted--;
@@ -766,7 +770,7 @@ int dmz_flush_metadata(struct dmz_metadata *zmd)
/* If there are no dirty metadata blocks, just flush the device cache */
if (list_empty(&write_list)) {
ret = blkdev_issue_flush(zmd->dev->bdev, GFP_NOIO, NULL);
- goto out;
+ goto err;
}

/*
@@ -776,7 +780,7 @@ int dmz_flush_metadata(struct dmz_metadata *zmd)
*/
ret = dmz_log_dirty_mblocks(zmd, &write_list);
if (ret)
- goto out;
+ goto err;

/*
* The log is on disk. It is now safe to update in place
@@ -784,11 +788,11 @@ int dmz_flush_metadata(struct dmz_metadata *zmd)
*/
ret = dmz_write_dirty_mblocks(zmd, &write_list, zmd->mblk_primary);
if (ret)
- goto out;
+ goto err;

ret = dmz_write_sb(zmd, zmd->mblk_primary);
if (ret)
- goto out;
+ goto err;

while (!list_empty(&write_list)) {
mblk = list_first_entry(&write_list, struct dmz_mblock, link);
@@ -803,16 +807,20 @@ int dmz_flush_metadata(struct dmz_metadata *zmd)

zmd->sb_gen++;
out:
- if (ret && !list_empty(&write_list)) {
- spin_lock(&zmd->mblk_lock);
- list_splice(&write_list, &zmd->mblk_dirty_list);
- spin_unlock(&zmd->mblk_lock);
- }
-
dmz_unlock_flush(zmd);
up_write(&zmd->mblk_sem);

return ret;
+
+err:
+ if (!list_empty(&write_list)) {
+ spin_lock(&zmd->mblk_lock);
+ list_splice(&write_list, &zmd->mblk_dirty_list);
+ spin_unlock(&zmd->mblk_lock);
+ }
+ if (!dmz_check_bdev(zmd->dev))
+ ret = -EIO;
+ goto out;
}

/*
@@ -1235,6 +1243,7 @@ static int dmz_update_zone(struct dmz_metadata *zmd, struct dm_zone *zone)
if (ret) {
dmz_dev_err(zmd->dev, "Get zone %u report failed",
dmz_id(zmd, zone));
+ dmz_check_bdev(zmd->dev);
return ret;
}

diff --git a/drivers/md/dm-zoned-reclaim.c b/drivers/md/dm-zoned-reclaim.c
index 9470b8f77a33..84ac671acd2e 100644
--- a/drivers/md/dm-zoned-reclaim.c
+++ b/drivers/md/dm-zoned-reclaim.c
@@ -81,6 +81,7 @@ static int dmz_reclaim_align_wp(struct dmz_reclaim *zrc, struct dm_zone *zone,
"Align zone %u wp %llu to %llu (wp+%u) blocks failed %d",
dmz_id(zmd, zone), (unsigned long long)wp_block,
(unsigned long long)block, nr_blocks, ret);
+ dmz_check_bdev(zrc->dev);
return ret;
}

@@ -488,12 +489,7 @@ static void dmz_reclaim_work(struct work_struct *work)
ret = dmz_do_reclaim(zrc);
if (ret) {
dmz_dev_debug(zrc->dev, "Reclaim error %d\n", ret);
- if (ret == -EIO)
- /*
- * LLD might be performing some error handling sequence
- * at the underlying device. To not interfere, do not
- * attempt to schedule the next reclaim run immediately.
- */
+ if (!dmz_check_bdev(zrc->dev))
return;
}

diff --git a/drivers/md/dm-zoned-target.c b/drivers/md/dm-zoned-target.c
index 3dd668f69405..971a2da43cbf 100644
--- a/drivers/md/dm-zoned-target.c
+++ b/drivers/md/dm-zoned-target.c
@@ -79,6 +79,8 @@ static inline void dmz_bio_endio(struct bio *bio, blk_status_t status)

if (status != BLK_STS_OK && bio->bi_status == BLK_STS_OK)
bio->bi_status = status;
+ if (bio->bi_status != BLK_STS_OK)
+ bioctx->target->dev->flags |= DMZ_CHECK_BDEV;

if (atomic_dec_and_test(&bioctx->ref)) {
struct dm_zone *zone = bioctx->zone;
@@ -564,31 +566,51 @@ static int dmz_queue_chunk_work(struct dmz_target *dmz, struct bio *bio)
}

/*
- * Check the backing device availability. If it's on the way out,
+ * Check if the backing device is being removed. If it's on the way out,
* start failing I/O. Reclaim and metadata components also call this
* function to cleanly abort operation in the event of such failure.
*/
bool dmz_bdev_is_dying(struct dmz_dev *dmz_dev)
{
- struct gendisk *disk;
+ if (dmz_dev->flags & DMZ_BDEV_DYING)
+ return true;

- if (!(dmz_dev->flags & DMZ_BDEV_DYING)) {
- disk = dmz_dev->bdev->bd_disk;
- if (blk_queue_dying(bdev_get_queue(dmz_dev->bdev))) {
- dmz_dev_warn(dmz_dev, "Backing device queue dying");
- dmz_dev->flags |= DMZ_BDEV_DYING;
- } else if (disk->fops->check_events) {
- if (disk->fops->check_events(disk, 0) &
- DISK_EVENT_MEDIA_CHANGE) {
- dmz_dev_warn(dmz_dev, "Backing device offline");
- dmz_dev->flags |= DMZ_BDEV_DYING;
- }
- }
+ if (dmz_dev->flags & DMZ_CHECK_BDEV)
+ return !dmz_check_bdev(dmz_dev);
+
+ if (blk_queue_dying(bdev_get_queue(dmz_dev->bdev))) {
+ dmz_dev_warn(dmz_dev, "Backing device queue dying");
+ dmz_dev->flags |= DMZ_BDEV_DYING;
}

return dmz_dev->flags & DMZ_BDEV_DYING;
}

+/*
+ * Check the backing device availability. This detects such events as
+ * backing device going offline due to errors, media removals, etc.
+ * This check is less efficient than dmz_bdev_is_dying() and should
+ * only be performed as a part of error handling.
+ */
+bool dmz_check_bdev(struct dmz_dev *dmz_dev)
+{
+ struct gendisk *disk;
+
+ dmz_dev->flags &= ~DMZ_CHECK_BDEV;
+
+ if (dmz_bdev_is_dying(dmz_dev))
+ return false;
+
+ disk = dmz_dev->bdev->bd_disk;
+ if (disk->fops->check_events &&
+ disk->fops->check_events(disk, 0) & DISK_EVENT_MEDIA_CHANGE) {
+ dmz_dev_warn(dmz_dev, "Backing device offline");
+ dmz_dev->flags |= DMZ_BDEV_DYING;
+ }
+
+ return !(dmz_dev->flags & DMZ_BDEV_DYING);
+}
+
/*
* Process a new BIO.
*/
@@ -902,8 +924,8 @@ static int dmz_prepare_ioctl(struct dm_target *ti, struct block_device **bdev)
{
struct dmz_target *dmz = ti->private;

- if (dmz_bdev_is_dying(dmz->dev))
- return -ENODEV;
+ if (!dmz_check_bdev(dmz->dev))
+ return -EIO;

*bdev = dmz->dev->bdev;

diff --git a/drivers/md/dm-zoned.h b/drivers/md/dm-zoned.h
index 93a64529f219..2662746ba8b9 100644
--- a/drivers/md/dm-zoned.h
+++ b/drivers/md/dm-zoned.h
@@ -71,6 +71,7 @@ struct dmz_dev {

/* Device flags. */
#define DMZ_BDEV_DYING (1 << 0)
+#define DMZ_CHECK_BDEV (2 << 0)

/*
* Zone descriptor.
@@ -254,5 +255,6 @@ void dmz_schedule_reclaim(struct dmz_reclaim *zrc);
* Functions defined in dm-zoned-target.c
*/
bool dmz_bdev_is_dying(struct dmz_dev *dmz_dev);
+bool dmz_check_bdev(struct dmz_dev *dmz_dev);

#endif /* DM_ZONED_H */
diff --git a/drivers/md/md-linear.c b/drivers/md/md-linear.c
index d45c697c0ebe..9a60231b844b 100644
--- a/drivers/md/md-linear.c
+++ b/drivers/md/md-linear.c
@@ -252,10 +252,9 @@ static bool linear_make_request(struct mddev *mddev, struct bio *bio)
sector_t start_sector, end_sector, data_offset;
sector_t bio_sector = bio->bi_iter.bi_sector;

- if (unlikely(bio->bi_opf & REQ_PREFLUSH)) {
- md_flush_request(mddev, bio);
+ if (unlikely(bio->bi_opf & REQ_PREFLUSH)
+ && md_flush_request(mddev, bio))
return true;
- }

tmp_dev = which_dev(mddev, bio_sector);
start_sector = tmp_dev->end_sector - tmp_dev->rdev->sectors;
diff --git a/drivers/md/md-multipath.c b/drivers/md/md-multipath.c
index 881487de1e25..80c35bfd11b8 100644
--- a/drivers/md/md-multipath.c
+++ b/drivers/md/md-multipath.c
@@ -112,10 +112,9 @@ static bool multipath_make_request(struct mddev *mddev, struct bio * bio)
struct multipath_bh * mp_bh;
struct multipath_info *multipath;

- if (unlikely(bio->bi_opf & REQ_PREFLUSH)) {
- md_flush_request(mddev, bio);
+ if (unlikely(bio->bi_opf & REQ_PREFLUSH)
+ && md_flush_request(mddev, bio))
return true;
- }

mp_bh = mempool_alloc(&conf->pool, GFP_NOIO);

diff --git a/drivers/md/md.c b/drivers/md/md.c
index 2fe4f93d1d7d..62f214d43e15 100644
--- a/drivers/md/md.c
+++ b/drivers/md/md.c
@@ -487,7 +487,13 @@ static void md_submit_flush_data(struct work_struct *ws)
}
}

-void md_flush_request(struct mddev *mddev, struct bio *bio)
+/*
+ * Manages consolidation of flushes and submitting any flushes needed for
+ * a bio with REQ_PREFLUSH. Returns true if the bio is finished or is
+ * being finished in another context. Returns false if the flushing is
+ * complete but still needs the I/O portion of the bio to be processed.
+ */
+bool md_flush_request(struct mddev *mddev, struct bio *bio)
{
ktime_t start = ktime_get_boottime();
spin_lock_irq(&mddev->lock);
@@ -512,9 +518,10 @@ void md_flush_request(struct mddev *mddev, struct bio *bio)
bio_endio(bio);
else {
bio->bi_opf &= ~REQ_PREFLUSH;
- mddev->pers->make_request(mddev, bio);
+ return false;
}
}
+ return true;
}
EXPORT_SYMBOL(md_flush_request);

diff --git a/drivers/md/md.h b/drivers/md/md.h
index 4f89463e0b01..cce62bbc2bcb 100644
--- a/drivers/md/md.h
+++ b/drivers/md/md.h
@@ -532,7 +532,7 @@ struct md_personality
int level;
struct list_head list;
struct module *owner;
- bool (*make_request)(struct mddev *mddev, struct bio *bio);
+ bool __must_check (*make_request)(struct mddev *mddev, struct bio *bio);
/*
* start up works that do NOT require md_thread. tasks that
* requires md_thread should go into start()
@@ -684,7 +684,7 @@ extern void md_error(struct mddev *mddev, struct md_rdev *rdev);
extern void md_finish_reshape(struct mddev *mddev);

extern int mddev_congested(struct mddev *mddev, int bits);
-extern void md_flush_request(struct mddev *mddev, struct bio *bio);
+extern bool __must_check md_flush_request(struct mddev *mddev, struct bio *bio);
extern void md_super_write(struct mddev *mddev, struct md_rdev *rdev,
sector_t sector, int size, struct page *page);
extern int md_super_wait(struct mddev *mddev);
diff --git a/drivers/md/raid0.c b/drivers/md/raid0.c
index 475e5f8b2287..2e7140507f93 100644
--- a/drivers/md/raid0.c
+++ b/drivers/md/raid0.c
@@ -580,10 +580,9 @@ static bool raid0_make_request(struct mddev *mddev, struct bio *bio)
unsigned chunk_sects;
unsigned sectors;

- if (unlikely(bio->bi_opf & REQ_PREFLUSH)) {
- md_flush_request(mddev, bio);
+ if (unlikely(bio->bi_opf & REQ_PREFLUSH)
+ && md_flush_request(mddev, bio))
return true;
- }

if (unlikely((bio_op(bio) == REQ_OP_DISCARD))) {
raid0_handle_discard(mddev, bio);
diff --git a/drivers/md/raid1.c b/drivers/md/raid1.c
index 6929d110d804..6800dcd50a11 100644
--- a/drivers/md/raid1.c
+++ b/drivers/md/raid1.c
@@ -1537,10 +1537,9 @@ static bool raid1_make_request(struct mddev *mddev, struct bio *bio)
{
sector_t sectors;

- if (unlikely(bio->bi_opf & REQ_PREFLUSH)) {
- md_flush_request(mddev, bio);
+ if (unlikely(bio->bi_opf & REQ_PREFLUSH)
+ && md_flush_request(mddev, bio))
return true;
- }

/*
* There is a limit to the maximum size, but
diff --git a/drivers/md/raid10.c b/drivers/md/raid10.c
index 4cf3d8ad0b4a..02c5e390f89f 100644
--- a/drivers/md/raid10.c
+++ b/drivers/md/raid10.c
@@ -1562,10 +1562,9 @@ static bool raid10_make_request(struct mddev *mddev, struct bio *bio)
int chunk_sects = chunk_mask + 1;
int sectors = bio_sectors(bio);

- if (unlikely(bio->bi_opf & REQ_PREFLUSH)) {
- md_flush_request(mddev, bio);
+ if (unlikely(bio->bi_opf & REQ_PREFLUSH)
+ && md_flush_request(mddev, bio))
return true;
- }

if (!md_write_start(mddev, bio))
return false;
diff --git a/drivers/md/raid5.c b/drivers/md/raid5.c
index 4a5aad26ded7..01021382131b 100644
--- a/drivers/md/raid5.c
+++ b/drivers/md/raid5.c
@@ -5590,8 +5590,8 @@ static bool raid5_make_request(struct mddev *mddev, struct bio * bi)
if (ret == 0)
return true;
if (ret == -ENODEV) {
- md_flush_request(mddev, bi);
- return true;
+ if (md_flush_request(mddev, bi))
+ return true;
}
/* ret == -EAGAIN, fallback */
/*
@@ -5724,7 +5724,7 @@ static bool raid5_make_request(struct mddev *mddev, struct bio * bi)
do_flush = false;
}

- if (!sh->batch_head)
+ if (!sh->batch_head || sh == sh->batch_head)
set_bit(STRIPE_HANDLE, &sh->state);
clear_bit(STRIPE_DELAYED, &sh->state);
if ((!sh->batch_head || sh == sh->batch_head) &&
diff --git a/drivers/media/platform/qcom/venus/vdec.c b/drivers/media/platform/qcom/venus/vdec.c
index e40fdf97b0f0..e3972dbf4c9a 100644
--- a/drivers/media/platform/qcom/venus/vdec.c
+++ b/drivers/media/platform/qcom/venus/vdec.c
@@ -1115,9 +1115,6 @@ static const struct v4l2_file_operations vdec_fops = {
.unlocked_ioctl = video_ioctl2,
.poll = v4l2_m2m_fop_poll,
.mmap = v4l2_m2m_fop_mmap,
-#ifdef CONFIG_COMPAT
- .compat_ioctl32 = v4l2_compat_ioctl32,
-#endif
};

static int vdec_probe(struct platform_device *pdev)
diff --git a/drivers/media/platform/qcom/venus/venc.c b/drivers/media/platform/qcom/venus/venc.c
index 41249d1443fa..420897241248 100644
--- a/drivers/media/platform/qcom/venus/venc.c
+++ b/drivers/media/platform/qcom/venus/venc.c
@@ -1220,9 +1220,6 @@ static const struct v4l2_file_operations venc_fops = {
.unlocked_ioctl = video_ioctl2,
.poll = v4l2_m2m_fop_poll,
.mmap = v4l2_m2m_fop_mmap,
-#ifdef CONFIG_COMPAT
- .compat_ioctl32 = v4l2_compat_ioctl32,
-#endif
};

static int venc_probe(struct platform_device *pdev)
diff --git a/drivers/media/platform/sti/bdisp/bdisp-v4l2.c b/drivers/media/platform/sti/bdisp/bdisp-v4l2.c
index 66b64096f5de..40c4eef71c34 100644
--- a/drivers/media/platform/sti/bdisp/bdisp-v4l2.c
+++ b/drivers/media/platform/sti/bdisp/bdisp-v4l2.c
@@ -651,8 +651,7 @@ static int bdisp_release(struct file *file)

dev_dbg(bdisp->dev, "%s\n", __func__);

- if (mutex_lock_interruptible(&bdisp->lock))
- return -ERESTARTSYS;
+ mutex_lock(&bdisp->lock);

v4l2_m2m_ctx_release(ctx->fh.m2m_ctx);

diff --git a/drivers/media/platform/vimc/vimc-core.c b/drivers/media/platform/vimc/vimc-core.c
index 27db8835c241..8548fa93bcf6 100644
--- a/drivers/media/platform/vimc/vimc-core.c
+++ b/drivers/media/platform/vimc/vimc-core.c
@@ -243,10 +243,7 @@ static void vimc_comp_unbind(struct device *master)

static int vimc_comp_compare(struct device *comp, void *data)
{
- const struct platform_device *pdev = to_platform_device(comp);
- const char *name = data;
-
- return !strcmp(pdev->dev.platform_data, name);
+ return comp == data;
}

static struct component_match *vimc_add_subdevs(struct vimc_device *vimc)
@@ -276,7 +273,7 @@ static struct component_match *vimc_add_subdevs(struct vimc_device *vimc)
}

component_match_add(&vimc->pdev.dev, &match, vimc_comp_compare,
- (void *)vimc->pipe_cfg->ents[i].name);
+ &vimc->subdevs[i]->dev);
}

return match;
diff --git a/drivers/media/radio/radio-wl1273.c b/drivers/media/radio/radio-wl1273.c
index 11aa94f189cb..500026974dee 100644
--- a/drivers/media/radio/radio-wl1273.c
+++ b/drivers/media/radio/radio-wl1273.c
@@ -1156,8 +1156,7 @@ static int wl1273_fm_fops_release(struct file *file)
if (radio->rds_users > 0) {
radio->rds_users--;
if (radio->rds_users == 0) {
- if (mutex_lock_interruptible(&core->lock))
- return -EINTR;
+ mutex_lock(&core->lock);

radio->irq_flags &= ~WL1273_RDS_EVENT;

diff --git a/drivers/mmc/host/omap_hsmmc.c b/drivers/mmc/host/omap_hsmmc.c
index b23c57e07f36..0135693afa15 100644
--- a/drivers/mmc/host/omap_hsmmc.c
+++ b/drivers/mmc/host/omap_hsmmc.c
@@ -1661,6 +1661,36 @@ static void omap_hsmmc_init_card(struct mmc_host *mmc, struct mmc_card *card)

if (mmc_pdata(host)->init_card)
mmc_pdata(host)->init_card(card);
+ else if (card->type == MMC_TYPE_SDIO ||
+ card->type == MMC_TYPE_SD_COMBO) {
+ struct device_node *np = mmc_dev(mmc)->of_node;
+
+ /*
+ * REVISIT: should be moved to sdio core and made more
+ * general e.g. by expanding the DT bindings of child nodes
+ * to provide a mechanism to provide this information:
+ * Documentation/devicetree/bindings/mmc/mmc-card.txt
+ */
+
+ np = of_get_compatible_child(np, "ti,wl1251");
+ if (np) {
+ /*
+ * We have TI wl1251 attached to MMC3. Pass this
+ * information to the SDIO core because it can't be
+ * probed by normal methods.
+ */
+
+ dev_info(host->dev, "found wl1251\n");
+ card->quirks |= MMC_QUIRK_NONSTD_SDIO;
+ card->cccr.wide_bus = 1;
+ card->cis.vendor = 0x104c;
+ card->cis.device = 0x9066;
+ card->cis.blksize = 512;
+ card->cis.max_dtr = 24000000;
+ card->ocr = 0x80;
+ of_node_put(np);
+ }
+ }
}

static void omap_hsmmc_enable_sdio_irq(struct mmc_host *mmc, int enable)
diff --git a/drivers/mtd/devices/spear_smi.c b/drivers/mtd/devices/spear_smi.c
index 986f81d2f93e..47ad0766affa 100644
--- a/drivers/mtd/devices/spear_smi.c
+++ b/drivers/mtd/devices/spear_smi.c
@@ -592,6 +592,26 @@ static int spear_mtd_read(struct mtd_info *mtd, loff_t from, size_t len,
return 0;
}

+/*
+ * The purpose of this function is to ensure a memcpy_toio() with byte writes
+ * only. Its structure is inspired from the ARM implementation of _memcpy_toio()
+ * which also does single byte writes but cannot be used here as this is just an
+ * implementation detail and not part of the API. Not mentioning the comment
+ * stating that _memcpy_toio() should be optimized.
+ */
+static void spear_smi_memcpy_toio_b(volatile void __iomem *dest,
+ const void *src, size_t len)
+{
+ const unsigned char *from = src;
+
+ while (len) {
+ len--;
+ writeb(*from, dest);
+ from++;
+ dest++;
+ }
+}
+
static inline int spear_smi_cpy_toio(struct spear_smi *dev, u32 bank,
void __iomem *dest, const void *src, size_t len)
{
@@ -614,7 +634,23 @@ static inline int spear_smi_cpy_toio(struct spear_smi *dev, u32 bank,
ctrlreg1 = readl(dev->io_base + SMI_CR1);
writel((ctrlreg1 | WB_MODE) & ~SW_MODE, dev->io_base + SMI_CR1);

- memcpy_toio(dest, src, len);
+ /*
+ * In Write Burst mode (WB_MODE), the specs states that writes must be:
+ * - incremental
+ * - of the same size
+ * The ARM implementation of memcpy_toio() will optimize the number of
+ * I/O by using as much 4-byte writes as possible, surrounded by
+ * 2-byte/1-byte access if:
+ * - the destination is not 4-byte aligned
+ * - the length is not a multiple of 4-byte.
+ * Avoid this alternance of write access size by using our own 'byte
+ * access' helper if at least one of the two conditions above is true.
+ */
+ if (IS_ALIGNED(len, sizeof(u32)) &&
+ IS_ALIGNED((uintptr_t)dest, sizeof(u32)))
+ memcpy_toio(dest, src, len);
+ else
+ spear_smi_memcpy_toio_b(dest, src, len);

writel(ctrlreg1, dev->io_base + SMI_CR1);

diff --git a/drivers/net/ethernet/hisilicon/hns3/hnae3.c b/drivers/net/ethernet/hisilicon/hns3/hnae3.c
index 2097f92e14c5..f9259e568fa0 100644
--- a/drivers/net/ethernet/hisilicon/hns3/hnae3.c
+++ b/drivers/net/ethernet/hisilicon/hns3/hnae3.c
@@ -173,8 +173,12 @@ void hnae3_register_ae_algo(struct hnae3_ae_algo *ae_algo)
if (!id)
continue;

- /* ae_dev init should set flag */
+ if (!ae_algo->ops) {
+ dev_err(&ae_dev->pdev->dev, "ae_algo ops are null\n");
+ continue;
+ }
ae_dev->ops = ae_algo->ops;
+
ret = ae_algo->ops->init_ae_dev(ae_dev);
if (ret) {
dev_err(&ae_dev->pdev->dev,
@@ -182,6 +186,7 @@ void hnae3_register_ae_algo(struct hnae3_ae_algo *ae_algo)
continue;
}

+ /* ae_dev init should set flag */
hnae3_set_bit(ae_dev->flag, HNAE3_DEV_INITED_B, 1);

/* check the client list for the match with this ae_dev type and
@@ -239,7 +244,7 @@ EXPORT_SYMBOL(hnae3_unregister_ae_algo);
* @ae_dev: the AE device
* NOTE: the duplicated name will not be checked
*/
-void hnae3_register_ae_dev(struct hnae3_ae_dev *ae_dev)
+int hnae3_register_ae_dev(struct hnae3_ae_dev *ae_dev)
{
const struct pci_device_id *id;
struct hnae3_ae_algo *ae_algo;
@@ -256,14 +261,13 @@ void hnae3_register_ae_dev(struct hnae3_ae_dev *ae_dev)
if (!id)
continue;

- ae_dev->ops = ae_algo->ops;
-
- if (!ae_dev->ops) {
- dev_err(&ae_dev->pdev->dev, "ae_dev ops are null\n");
+ if (!ae_algo->ops) {
+ dev_err(&ae_dev->pdev->dev, "ae_algo ops are null\n");
+ ret = -EOPNOTSUPP;
goto out_err;
}
+ ae_dev->ops = ae_algo->ops;

- /* ae_dev init should set flag */
ret = ae_dev->ops->init_ae_dev(ae_dev);
if (ret) {
dev_err(&ae_dev->pdev->dev,
@@ -271,6 +275,7 @@ void hnae3_register_ae_dev(struct hnae3_ae_dev *ae_dev)
goto out_err;
}

+ /* ae_dev init should set flag */
hnae3_set_bit(ae_dev->flag, HNAE3_DEV_INITED_B, 1);
break;
}
@@ -286,8 +291,15 @@ void hnae3_register_ae_dev(struct hnae3_ae_dev *ae_dev)
ret);
}

+ mutex_unlock(&hnae3_common_lock);
+
+ return 0;
+
out_err:
+ list_del(&ae_dev->node);
mutex_unlock(&hnae3_common_lock);
+
+ return ret;
}
EXPORT_SYMBOL(hnae3_register_ae_dev);

diff --git a/drivers/net/ethernet/hisilicon/hns3/hnae3.h b/drivers/net/ethernet/hisilicon/hns3/hnae3.h
index f5c7fc9c5e5c..5e1a7ab06c63 100644
--- a/drivers/net/ethernet/hisilicon/hns3/hnae3.h
+++ b/drivers/net/ethernet/hisilicon/hns3/hnae3.h
@@ -513,7 +513,7 @@ struct hnae3_handle {
#define hnae3_get_bit(origin, shift) \
hnae3_get_field((origin), (0x1 << (shift)), (shift))

-void hnae3_register_ae_dev(struct hnae3_ae_dev *ae_dev);
+int hnae3_register_ae_dev(struct hnae3_ae_dev *ae_dev);
void hnae3_unregister_ae_dev(struct hnae3_ae_dev *ae_dev);

void hnae3_unregister_ae_algo(struct hnae3_ae_algo *ae_algo);
diff --git a/drivers/net/ethernet/hisilicon/hns3/hns3_enet.c b/drivers/net/ethernet/hisilicon/hns3/hns3_enet.c
index b2860087a7dc..0788e78747d9 100644
--- a/drivers/net/ethernet/hisilicon/hns3/hns3_enet.c
+++ b/drivers/net/ethernet/hisilicon/hns3/hns3_enet.c
@@ -1604,9 +1604,13 @@ static int hns3_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
ae_dev->dev_type = HNAE3_DEV_KNIC;
pci_set_drvdata(pdev, ae_dev);

- hnae3_register_ae_dev(ae_dev);
+ ret = hnae3_register_ae_dev(ae_dev);
+ if (ret) {
+ devm_kfree(&pdev->dev, ae_dev);
+ pci_set_drvdata(pdev, NULL);
+ }

- return 0;
+ return ret;
}

/* hns3_remove - Device removal routine
@@ -1620,6 +1624,7 @@ static void hns3_remove(struct pci_dev *pdev)
hns3_disable_sriov(pdev);

hnae3_unregister_ae_dev(ae_dev);
+ pci_set_drvdata(pdev, NULL);
}

/**
diff --git a/drivers/net/ethernet/intel/e100.c b/drivers/net/ethernet/intel/e100.c
index 27d5f27163d2..78b44d787638 100644
--- a/drivers/net/ethernet/intel/e100.c
+++ b/drivers/net/ethernet/intel/e100.c
@@ -1345,8 +1345,8 @@ static inline int e100_load_ucode_wait(struct nic *nic)

fw = e100_request_firmware(nic);
/* If it's NULL, then no ucode is required */
- if (!fw || IS_ERR(fw))
- return PTR_ERR(fw);
+ if (IS_ERR_OR_NULL(fw))
+ return PTR_ERR_OR_ZERO(fw);

if ((err = e100_exec_cb(nic, (void *)fw, e100_setup_ucode)))
netif_err(nic, probe, nic->netdev,
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en_ethtool.c b/drivers/net/ethernet/mellanox/mlx5/core/en_ethtool.c
index 10d72c83714d..a383276eb816 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/en_ethtool.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/en_ethtool.c
@@ -1320,7 +1320,7 @@ static int mlx5e_get_module_info(struct net_device *netdev,
break;
case MLX5_MODULE_ID_SFP:
modinfo->type = ETH_MODULE_SFF_8472;
- modinfo->eeprom_len = MLX5_EEPROM_PAGE_LENGTH;
+ modinfo->eeprom_len = ETH_MODULE_SFF_8472_LEN;
break;
default:
netdev_err(priv->netdev, "%s: cable type not recognized:0x%x\n",
diff --git a/drivers/net/ethernet/mellanox/mlxsw/spectrum_router.c b/drivers/net/ethernet/mellanox/mlxsw/spectrum_router.c
index 44b6c2ac5961..76960d3adfc0 100644
--- a/drivers/net/ethernet/mellanox/mlxsw/spectrum_router.c
+++ b/drivers/net/ethernet/mellanox/mlxsw/spectrum_router.c
@@ -2228,7 +2228,7 @@ static void mlxsw_sp_router_probe_unresolved_nexthops(struct work_struct *work)
static void
mlxsw_sp_nexthop_neigh_update(struct mlxsw_sp *mlxsw_sp,
struct mlxsw_sp_neigh_entry *neigh_entry,
- bool removing);
+ bool removing, bool dead);

static enum mlxsw_reg_rauht_op mlxsw_sp_rauht_op(bool adding)
{
@@ -2359,7 +2359,8 @@ static void mlxsw_sp_router_neigh_event_work(struct work_struct *work)

memcpy(neigh_entry->ha, ha, ETH_ALEN);
mlxsw_sp_neigh_entry_update(mlxsw_sp, neigh_entry, entry_connected);
- mlxsw_sp_nexthop_neigh_update(mlxsw_sp, neigh_entry, !entry_connected);
+ mlxsw_sp_nexthop_neigh_update(mlxsw_sp, neigh_entry, !entry_connected,
+ dead);

if (!neigh_entry->connected && list_empty(&neigh_entry->nexthop_list))
mlxsw_sp_neigh_entry_destroy(mlxsw_sp, neigh_entry);
@@ -3323,13 +3324,79 @@ static void __mlxsw_sp_nexthop_neigh_update(struct mlxsw_sp_nexthop *nh,
nh->update = 1;
}

+static int
+mlxsw_sp_nexthop_dead_neigh_replace(struct mlxsw_sp *mlxsw_sp,
+ struct mlxsw_sp_neigh_entry *neigh_entry)
+{
+ struct neighbour *n, *old_n = neigh_entry->key.n;
+ struct mlxsw_sp_nexthop *nh;
+ bool entry_connected;
+ u8 nud_state, dead;
+ int err;
+
+ nh = list_first_entry(&neigh_entry->nexthop_list,
+ struct mlxsw_sp_nexthop, neigh_list_node);
+
+ n = neigh_lookup(nh->nh_grp->neigh_tbl, &nh->gw_addr, nh->rif->dev);
+ if (!n) {
+ n = neigh_create(nh->nh_grp->neigh_tbl, &nh->gw_addr,
+ nh->rif->dev);
+ if (IS_ERR(n))
+ return PTR_ERR(n);
+ neigh_event_send(n, NULL);
+ }
+
+ mlxsw_sp_neigh_entry_remove(mlxsw_sp, neigh_entry);
+ neigh_entry->key.n = n;
+ err = mlxsw_sp_neigh_entry_insert(mlxsw_sp, neigh_entry);
+ if (err)
+ goto err_neigh_entry_insert;
+
+ read_lock_bh(&n->lock);
+ nud_state = n->nud_state;
+ dead = n->dead;
+ read_unlock_bh(&n->lock);
+ entry_connected = nud_state & NUD_VALID && !dead;
+
+ list_for_each_entry(nh, &neigh_entry->nexthop_list,
+ neigh_list_node) {
+ neigh_release(old_n);
+ neigh_clone(n);
+ __mlxsw_sp_nexthop_neigh_update(nh, !entry_connected);
+ mlxsw_sp_nexthop_group_refresh(mlxsw_sp, nh->nh_grp);
+ }
+
+ neigh_release(n);
+
+ return 0;
+
+err_neigh_entry_insert:
+ neigh_entry->key.n = old_n;
+ mlxsw_sp_neigh_entry_insert(mlxsw_sp, neigh_entry);
+ neigh_release(n);
+ return err;
+}
+
static void
mlxsw_sp_nexthop_neigh_update(struct mlxsw_sp *mlxsw_sp,
struct mlxsw_sp_neigh_entry *neigh_entry,
- bool removing)
+ bool removing, bool dead)
{
struct mlxsw_sp_nexthop *nh;

+ if (list_empty(&neigh_entry->nexthop_list))
+ return;
+
+ if (dead) {
+ int err;
+
+ err = mlxsw_sp_nexthop_dead_neigh_replace(mlxsw_sp,
+ neigh_entry);
+ if (err)
+ dev_err(mlxsw_sp->bus_info->dev, "Failed to replace dead neigh\n");
+ return;
+ }
+
list_for_each_entry(nh, &neigh_entry->nexthop_list,
neigh_list_node) {
__mlxsw_sp_nexthop_neigh_update(nh, removing);
diff --git a/drivers/net/wireless/ath/ar5523/ar5523.c b/drivers/net/wireless/ath/ar5523/ar5523.c
index b94759daeacc..da2d179430ca 100644
--- a/drivers/net/wireless/ath/ar5523/ar5523.c
+++ b/drivers/net/wireless/ath/ar5523/ar5523.c
@@ -255,7 +255,8 @@ static int ar5523_cmd(struct ar5523 *ar, u32 code, const void *idata,

if (flags & AR5523_CMD_FLAG_MAGIC)
hdr->magic = cpu_to_be32(1 << 24);
- memcpy(hdr + 1, idata, ilen);
+ if (ilen)
+ memcpy(hdr + 1, idata, ilen);

cmd->odata = odata;
cmd->olen = olen;
diff --git a/drivers/net/wireless/ath/ath10k/pci.c b/drivers/net/wireless/ath/ath10k/pci.c
index 50a801a5d4f1..2a503aacf0c6 100644
--- a/drivers/net/wireless/ath/ath10k/pci.c
+++ b/drivers/net/wireless/ath/ath10k/pci.c
@@ -2052,6 +2052,11 @@ static void ath10k_pci_hif_stop(struct ath10k *ar)

ath10k_dbg(ar, ATH10K_DBG_BOOT, "boot hif stop\n");

+ ath10k_pci_irq_disable(ar);
+ ath10k_pci_irq_sync(ar);
+ napi_synchronize(&ar->napi);
+ napi_disable(&ar->napi);
+
/* Most likely the device has HTT Rx ring configured. The only way to
* prevent the device from accessing (and possible corrupting) host
* memory is to reset the chip now.
@@ -2065,10 +2070,6 @@ static void ath10k_pci_hif_stop(struct ath10k *ar)
*/
ath10k_pci_safe_chip_reset(ar);

- ath10k_pci_irq_disable(ar);
- ath10k_pci_irq_sync(ar);
- napi_synchronize(&ar->napi);
- napi_disable(&ar->napi);
ath10k_pci_flush(ar);

spin_lock_irqsave(&ar_pci->ps_lock, flags);
diff --git a/drivers/net/wireless/realtek/rtlwifi/rtl8192de/hw.c b/drivers/net/wireless/realtek/rtlwifi/rtl8192de/hw.c
index 80123fd97221..ee5ff7255090 100644
--- a/drivers/net/wireless/realtek/rtlwifi/rtl8192de/hw.c
+++ b/drivers/net/wireless/realtek/rtlwifi/rtl8192de/hw.c
@@ -1198,6 +1198,7 @@ void rtl92de_enable_interrupt(struct ieee80211_hw *hw)

rtl_write_dword(rtlpriv, REG_HIMR, rtlpci->irq_mask[0] & 0xFFFFFFFF);
rtl_write_dword(rtlpriv, REG_HIMRE, rtlpci->irq_mask[1] & 0xFFFFFFFF);
+ rtlpci->irq_enabled = true;
}

void rtl92de_disable_interrupt(struct ieee80211_hw *hw)
@@ -1207,7 +1208,7 @@ void rtl92de_disable_interrupt(struct ieee80211_hw *hw)

rtl_write_dword(rtlpriv, REG_HIMR, IMR8190_DISABLED);
rtl_write_dword(rtlpriv, REG_HIMRE, IMR8190_DISABLED);
- synchronize_irq(rtlpci->pdev->irq);
+ rtlpci->irq_enabled = false;
}

static void _rtl92de_poweroff_adapter(struct ieee80211_hw *hw)
@@ -1373,7 +1374,7 @@ void rtl92de_set_beacon_related_registers(struct ieee80211_hw *hw)

bcn_interval = mac->beacon_interval;
atim_window = 2;
- /*rtl92de_disable_interrupt(hw); */
+ rtl92de_disable_interrupt(hw);
rtl_write_word(rtlpriv, REG_ATIMWND, atim_window);
rtl_write_word(rtlpriv, REG_BCN_INTERVAL, bcn_interval);
rtl_write_word(rtlpriv, REG_BCNTCFG, 0x660f);
@@ -1393,9 +1394,9 @@ void rtl92de_set_beacon_interval(struct ieee80211_hw *hw)

RT_TRACE(rtlpriv, COMP_BEACON, DBG_DMESG,
"beacon_interval:%d\n", bcn_interval);
- /* rtl92de_disable_interrupt(hw); */
+ rtl92de_disable_interrupt(hw);
rtl_write_word(rtlpriv, REG_BCN_INTERVAL, bcn_interval);
- /* rtl92de_enable_interrupt(hw); */
+ rtl92de_enable_interrupt(hw);
}

void rtl92de_update_interrupt_mask(struct ieee80211_hw *hw,
diff --git a/drivers/net/wireless/realtek/rtlwifi/rtl8192de/sw.c b/drivers/net/wireless/realtek/rtlwifi/rtl8192de/sw.c
index d5ba2bace79b..2b0c0308d281 100644
--- a/drivers/net/wireless/realtek/rtlwifi/rtl8192de/sw.c
+++ b/drivers/net/wireless/realtek/rtlwifi/rtl8192de/sw.c
@@ -238,6 +238,7 @@ static struct rtl_hal_ops rtl8192de_hal_ops = {
.led_control = rtl92de_led_control,
.set_desc = rtl92de_set_desc,
.get_desc = rtl92de_get_desc,
+ .is_tx_desc_closed = rtl92de_is_tx_desc_closed,
.tx_polling = rtl92de_tx_polling,
.enable_hw_sec = rtl92de_enable_hw_security_config,
.set_key = rtl92de_set_key,
diff --git a/drivers/net/wireless/realtek/rtlwifi/rtl8192de/trx.c b/drivers/net/wireless/realtek/rtlwifi/rtl8192de/trx.c
index d7b023cf7400..76f12247184a 100644
--- a/drivers/net/wireless/realtek/rtlwifi/rtl8192de/trx.c
+++ b/drivers/net/wireless/realtek/rtlwifi/rtl8192de/trx.c
@@ -840,13 +840,15 @@ u64 rtl92de_get_desc(struct ieee80211_hw *hw,
break;
}
} else {
- struct rx_desc_92c *pdesc = (struct rx_desc_92c *)p_desc;
switch (desc_name) {
case HW_DESC_OWN:
- ret = GET_RX_DESC_OWN(pdesc);
+ ret = GET_RX_DESC_OWN(p_desc);
break;
case HW_DESC_RXPKT_LEN:
- ret = GET_RX_DESC_PKT_LEN(pdesc);
+ ret = GET_RX_DESC_PKT_LEN(p_desc);
+ break;
+ case HW_DESC_RXBUFF_ADDR:
+ ret = GET_RX_DESC_BUFF_ADDR(p_desc);
break;
default:
WARN_ONCE(true, "rtl8192de: ERR rxdesc :%d not processed\n",
@@ -857,6 +859,23 @@ u64 rtl92de_get_desc(struct ieee80211_hw *hw,
return ret;
}

+bool rtl92de_is_tx_desc_closed(struct ieee80211_hw *hw,
+ u8 hw_queue, u16 index)
+{
+ struct rtl_pci *rtlpci = rtl_pcidev(rtl_pcipriv(hw));
+ struct rtl8192_tx_ring *ring = &rtlpci->tx_ring[hw_queue];
+ u8 *entry = (u8 *)(&ring->desc[ring->idx]);
+ u8 own = (u8)rtl92de_get_desc(hw, entry, true, HW_DESC_OWN);
+
+ /* a beacon packet will only use the first
+ * descriptor by defaut, and the own bit may not
+ * be cleared by the hardware
+ */
+ if (own)
+ return false;
+ return true;
+}
+
void rtl92de_tx_polling(struct ieee80211_hw *hw, u8 hw_queue)
{
struct rtl_priv *rtlpriv = rtl_priv(hw);
diff --git a/drivers/net/wireless/realtek/rtlwifi/rtl8192de/trx.h b/drivers/net/wireless/realtek/rtlwifi/rtl8192de/trx.h
index f7f776539438..3d026e518c02 100644
--- a/drivers/net/wireless/realtek/rtlwifi/rtl8192de/trx.h
+++ b/drivers/net/wireless/realtek/rtlwifi/rtl8192de/trx.h
@@ -737,6 +737,8 @@ void rtl92de_set_desc(struct ieee80211_hw *hw, u8 *pdesc, bool istx,
u8 desc_name, u8 *val);
u64 rtl92de_get_desc(struct ieee80211_hw *hw,
u8 *p_desc, bool istx, u8 desc_name);
+bool rtl92de_is_tx_desc_closed(struct ieee80211_hw *hw,
+ u8 hw_queue, u16 index);
void rtl92de_tx_polling(struct ieee80211_hw *hw, u8 hw_queue);
void rtl92de_tx_fill_cmddesc(struct ieee80211_hw *hw, u8 *pdesc,
bool b_firstseg, bool b_lastseg,
diff --git a/drivers/of/overlay.c b/drivers/of/overlay.c
index 2edb59039b5f..514528b3566f 100644
--- a/drivers/of/overlay.c
+++ b/drivers/of/overlay.c
@@ -305,7 +305,6 @@ static int add_changeset_property(struct overlay_changeset *ovcs,
{
struct property *new_prop = NULL, *prop;
int ret = 0;
- bool check_for_non_overlay_node = false;

if (target->in_livetree)
if (!of_prop_cmp(overlay_prop->name, "name") ||
@@ -318,6 +317,25 @@ static int add_changeset_property(struct overlay_changeset *ovcs,
else
prop = NULL;

+ if (prop) {
+ if (!of_prop_cmp(prop->name, "#address-cells")) {
+ if (!of_prop_val_eq(prop, overlay_prop)) {
+ pr_err("ERROR: changing value of #address-cells is not allowed in %pOF\n",
+ target->np);
+ ret = -EINVAL;
+ }
+ return ret;
+
+ } else if (!of_prop_cmp(prop->name, "#size-cells")) {
+ if (!of_prop_val_eq(prop, overlay_prop)) {
+ pr_err("ERROR: changing value of #size-cells is not allowed in %pOF\n",
+ target->np);
+ ret = -EINVAL;
+ }
+ return ret;
+ }
+ }
+
if (is_symbols_prop) {
if (prop)
return -EINVAL;
@@ -330,33 +348,18 @@ static int add_changeset_property(struct overlay_changeset *ovcs,
return -ENOMEM;

if (!prop) {
- check_for_non_overlay_node = true;
if (!target->in_livetree) {
new_prop->next = target->np->deadprops;
target->np->deadprops = new_prop;
}
ret = of_changeset_add_property(&ovcs->cset, target->np,
new_prop);
- } else if (!of_prop_cmp(prop->name, "#address-cells")) {
- if (!of_prop_val_eq(prop, new_prop)) {
- pr_err("ERROR: changing value of #address-cells is not allowed in %pOF\n",
- target->np);
- ret = -EINVAL;
- }
- } else if (!of_prop_cmp(prop->name, "#size-cells")) {
- if (!of_prop_val_eq(prop, new_prop)) {
- pr_err("ERROR: changing value of #size-cells is not allowed in %pOF\n",
- target->np);
- ret = -EINVAL;
- }
} else {
- check_for_non_overlay_node = true;
ret = of_changeset_update_property(&ovcs->cset, target->np,
new_prop);
}

- if (check_for_non_overlay_node &&
- !of_node_check_flag(target->np, OF_OVERLAY))
+ if (!of_node_check_flag(target->np, OF_OVERLAY))
pr_err("WARNING: memory leak will occur if overlay removed, property: %pOF/%s\n",
target->np, new_prop->name);

diff --git a/drivers/of/unittest.c b/drivers/of/unittest.c
index 68f52966bbc0..808571f7f6ef 100644
--- a/drivers/of/unittest.c
+++ b/drivers/of/unittest.c
@@ -1133,8 +1133,10 @@ static void attach_node_and_children(struct device_node *np)
full_name = kasprintf(GFP_KERNEL, "%pOF", np);

if (!strcmp(full_name, "/__local_fixups__") ||
- !strcmp(full_name, "/__fixups__"))
+ !strcmp(full_name, "/__fixups__")) {
+ kfree(full_name);
return;
+ }

dup = of_find_node_by_path(full_name);
kfree(full_name);
diff --git a/drivers/pci/controller/pcie-rcar.c b/drivers/pci/controller/pcie-rcar.c
index 9b9c677ad3a0..333ab6092f17 100644
--- a/drivers/pci/controller/pcie-rcar.c
+++ b/drivers/pci/controller/pcie-rcar.c
@@ -93,8 +93,11 @@
#define LINK_SPEED_2_5GTS (1 << 16)
#define LINK_SPEED_5_0GTS (2 << 16)
#define MACCTLR 0x011058
+#define MACCTLR_NFTS_MASK GENMASK(23, 16) /* The name is from SH7786 */
#define SPEED_CHANGE BIT(24)
#define SCRAMBLE_DISABLE BIT(27)
+#define LTSMDIS BIT(31)
+#define MACCTLR_INIT_VAL (LTSMDIS | MACCTLR_NFTS_MASK)
#define PMSR 0x01105c
#define MACS2R 0x011078
#define MACCGSPSETR 0x011084
@@ -615,6 +618,8 @@ static int rcar_pcie_hw_init(struct rcar_pcie *pcie)
if (IS_ENABLED(CONFIG_PCI_MSI))
rcar_pci_write_reg(pcie, 0x801f0000, PCIEMSITXR);

+ rcar_pci_write_reg(pcie, MACCTLR_INIT_VAL, MACCTLR);
+
/* Finish initialization - establish a PCI Express link */
rcar_pci_write_reg(pcie, CFINIT, PCIETCTLR);

@@ -1237,6 +1242,7 @@ static int rcar_pcie_resume_noirq(struct device *dev)
return 0;

/* Re-establish the PCIe link */
+ rcar_pci_write_reg(pcie, MACCTLR_INIT_VAL, MACCTLR);
rcar_pci_write_reg(pcie, CFINIT, PCIETCTLR);
return rcar_pcie_wait_for_dl(pcie);
}
diff --git a/drivers/pci/hotplug/acpiphp_glue.c b/drivers/pci/hotplug/acpiphp_glue.c
index 12afa7fdf77e..c94c13525447 100644
--- a/drivers/pci/hotplug/acpiphp_glue.c
+++ b/drivers/pci/hotplug/acpiphp_glue.c
@@ -449,8 +449,15 @@ static void acpiphp_native_scan_bridge(struct pci_dev *bridge)

/* Scan non-hotplug bridges that need to be reconfigured */
for_each_pci_bridge(dev, bus) {
- if (!hotplug_is_native(dev))
- max = pci_scan_bridge(bus, dev, max, 1);
+ if (hotplug_is_native(dev))
+ continue;
+
+ max = pci_scan_bridge(bus, dev, max, 1);
+ if (dev->subordinate) {
+ pcibios_resource_survey_bus(dev->subordinate);
+ pci_bus_size_bridges(dev->subordinate);
+ pci_bus_assign_resources(dev->subordinate);
+ }
}
}

@@ -480,7 +487,6 @@ static void enable_slot(struct acpiphp_slot *slot, bool bridge)
if (PCI_SLOT(dev->devfn) == slot->device)
acpiphp_native_scan_bridge(dev);
}
- pci_assign_unassigned_bridge_resources(bus->self);
} else {
LIST_HEAD(add_list);
int max, pass;
diff --git a/drivers/phy/renesas/phy-rcar-gen3-usb2.c b/drivers/phy/renesas/phy-rcar-gen3-usb2.c
index d22b1ec2e58c..50cdf2032f1b 100644
--- a/drivers/phy/renesas/phy-rcar-gen3-usb2.c
+++ b/drivers/phy/renesas/phy-rcar-gen3-usb2.c
@@ -23,6 +23,7 @@
#include <linux/platform_device.h>
#include <linux/pm_runtime.h>
#include <linux/regulator/consumer.h>
+#include <linux/string.h>
#include <linux/usb/of.h>
#include <linux/workqueue.h>

@@ -241,9 +242,9 @@ static ssize_t role_store(struct device *dev, struct device_attribute *attr,
if (!ch->has_otg_pins || !ch->phy->init_count)
return -EIO;

- if (!strncmp(buf, "host", strlen("host")))
+ if (sysfs_streq(buf, "host"))
new_mode = PHY_MODE_USB_HOST;
- else if (!strncmp(buf, "peripheral", strlen("peripheral")))
+ else if (sysfs_streq(buf, "peripheral"))
new_mode = PHY_MODE_USB_DEVICE;
else
return -EINVAL;
diff --git a/drivers/pinctrl/mvebu/pinctrl-armada-37xx.c b/drivers/pinctrl/mvebu/pinctrl-armada-37xx.c
index 3aac640596ad..d76ac6b4b40d 100644
--- a/drivers/pinctrl/mvebu/pinctrl-armada-37xx.c
+++ b/drivers/pinctrl/mvebu/pinctrl-armada-37xx.c
@@ -592,10 +592,10 @@ static int armada_37xx_irq_set_type(struct irq_data *d, unsigned int type)
regmap_read(info->regmap, in_reg, &in_val);

/* Set initial polarity based on current input level. */
- if (in_val & d->mask)
- val |= d->mask; /* falling */
+ if (in_val & BIT(d->hwirq % GPIO_PER_REG))
+ val |= BIT(d->hwirq % GPIO_PER_REG); /* falling */
else
- val &= ~d->mask; /* rising */
+ val &= ~(BIT(d->hwirq % GPIO_PER_REG)); /* rising */
break;
}
default:
diff --git a/drivers/pinctrl/samsung/pinctrl-exynos.c b/drivers/pinctrl/samsung/pinctrl-exynos.c
index f49ea3d92aa1..e87ee43efa16 100644
--- a/drivers/pinctrl/samsung/pinctrl-exynos.c
+++ b/drivers/pinctrl/samsung/pinctrl-exynos.c
@@ -494,8 +494,10 @@ int exynos_eint_wkup_init(struct samsung_pinctrl_drv_data *d)
if (match) {
irq_chip = kmemdup(match->data,
sizeof(*irq_chip), GFP_KERNEL);
- if (!irq_chip)
+ if (!irq_chip) {
+ of_node_put(np);
return -ENOMEM;
+ }
wkup_np = np;
break;
}
@@ -512,6 +514,7 @@ int exynos_eint_wkup_init(struct samsung_pinctrl_drv_data *d)
bank->nr_pins, &exynos_eint_irqd_ops, bank);
if (!bank->irq_domain) {
dev_err(dev, "wkup irq domain add failed\n");
+ of_node_put(wkup_np);
return -ENXIO;
}

@@ -526,8 +529,10 @@ int exynos_eint_wkup_init(struct samsung_pinctrl_drv_data *d)
weint_data = devm_kcalloc(dev,
bank->nr_pins, sizeof(*weint_data),
GFP_KERNEL);
- if (!weint_data)
+ if (!weint_data) {
+ of_node_put(wkup_np);
return -ENOMEM;
+ }

for (idx = 0; idx < bank->nr_pins; ++idx) {
irq = irq_of_parse_and_map(bank->of_node, idx);
@@ -544,10 +549,13 @@ int exynos_eint_wkup_init(struct samsung_pinctrl_drv_data *d)
}
}

- if (!muxed_banks)
+ if (!muxed_banks) {
+ of_node_put(wkup_np);
return 0;
+ }

irq = irq_of_parse_and_map(wkup_np, 0);
+ of_node_put(wkup_np);
if (!irq) {
dev_err(dev, "irq number for muxed EINTs not found\n");
return 0;
diff --git a/drivers/pinctrl/samsung/pinctrl-s3c24xx.c b/drivers/pinctrl/samsung/pinctrl-s3c24xx.c
index 7e824e4d20f4..9bd0a3de101d 100644
--- a/drivers/pinctrl/samsung/pinctrl-s3c24xx.c
+++ b/drivers/pinctrl/samsung/pinctrl-s3c24xx.c
@@ -490,8 +490,10 @@ static int s3c24xx_eint_init(struct samsung_pinctrl_drv_data *d)
return -ENODEV;

eint_data = devm_kzalloc(dev, sizeof(*eint_data), GFP_KERNEL);
- if (!eint_data)
+ if (!eint_data) {
+ of_node_put(eint_np);
return -ENOMEM;
+ }

eint_data->drvdata = d;

@@ -503,12 +505,14 @@ static int s3c24xx_eint_init(struct samsung_pinctrl_drv_data *d)
irq = irq_of_parse_and_map(eint_np, i);
if (!irq) {
dev_err(dev, "failed to get wakeup EINT IRQ %d\n", i);
+ of_node_put(eint_np);
return -ENXIO;
}

eint_data->parents[i] = irq;
irq_set_chained_handler_and_data(irq, handlers[i], eint_data);
}
+ of_node_put(eint_np);

bank = d->pin_banks;
for (i = 0; i < d->nr_banks; ++i, ++bank) {
diff --git a/drivers/pinctrl/samsung/pinctrl-s3c64xx.c b/drivers/pinctrl/samsung/pinctrl-s3c64xx.c
index c399f0932af5..f97f8179f2b1 100644
--- a/drivers/pinctrl/samsung/pinctrl-s3c64xx.c
+++ b/drivers/pinctrl/samsung/pinctrl-s3c64xx.c
@@ -704,8 +704,10 @@ static int s3c64xx_eint_eint0_init(struct samsung_pinctrl_drv_data *d)
return -ENODEV;

data = devm_kzalloc(dev, sizeof(*data), GFP_KERNEL);
- if (!data)
+ if (!data) {
+ of_node_put(eint0_np);
return -ENOMEM;
+ }
data->drvdata = d;

for (i = 0; i < NUM_EINT0_IRQ; ++i) {
@@ -714,6 +716,7 @@ static int s3c64xx_eint_eint0_init(struct samsung_pinctrl_drv_data *d)
irq = irq_of_parse_and_map(eint0_np, i);
if (!irq) {
dev_err(dev, "failed to get wakeup EINT IRQ %d\n", i);
+ of_node_put(eint0_np);
return -ENXIO;
}

@@ -721,6 +724,7 @@ static int s3c64xx_eint_eint0_init(struct samsung_pinctrl_drv_data *d)
s3c64xx_eint0_handlers[i],
data);
}
+ of_node_put(eint0_np);

bank = d->pin_banks;
for (i = 0; i < d->nr_banks; ++i, ++bank) {
diff --git a/drivers/pinctrl/samsung/pinctrl-samsung.c b/drivers/pinctrl/samsung/pinctrl-samsung.c
index 698c7d8c9a08..c05217edcb0e 100644
--- a/drivers/pinctrl/samsung/pinctrl-samsung.c
+++ b/drivers/pinctrl/samsung/pinctrl-samsung.c
@@ -272,6 +272,7 @@ static int samsung_dt_node_to_map(struct pinctrl_dev *pctldev,
&reserved_maps, num_maps);
if (ret < 0) {
samsung_dt_free_map(pctldev, *map, *num_maps);
+ of_node_put(np);
return ret;
}
}
@@ -785,8 +786,10 @@ static struct samsung_pmx_func *samsung_pinctrl_create_functions(
if (!of_get_child_count(cfg_np)) {
ret = samsung_pinctrl_create_function(dev, drvdata,
cfg_np, func);
- if (ret < 0)
+ if (ret < 0) {
+ of_node_put(cfg_np);
return ERR_PTR(ret);
+ }
if (ret > 0) {
++func;
++func_cnt;
@@ -797,8 +800,11 @@ static struct samsung_pmx_func *samsung_pinctrl_create_functions(
for_each_child_of_node(cfg_np, func_np) {
ret = samsung_pinctrl_create_function(dev, drvdata,
func_np, func);
- if (ret < 0)
+ if (ret < 0) {
+ of_node_put(func_np);
+ of_node_put(cfg_np);
return ERR_PTR(ret);
+ }
if (ret > 0) {
++func;
++func_cnt;
diff --git a/drivers/power/supply/cpcap-battery.c b/drivers/power/supply/cpcap-battery.c
index 3bae02380bb2..e183a22de715 100644
--- a/drivers/power/supply/cpcap-battery.c
+++ b/drivers/power/supply/cpcap-battery.c
@@ -82,7 +82,7 @@ struct cpcap_battery_config {
};

struct cpcap_coulomb_counter_data {
- s32 sample; /* 24-bits */
+ s32 sample; /* 24 or 32 bits */
s32 accumulator;
s16 offset; /* 10-bits */
};
@@ -213,7 +213,7 @@ static int cpcap_battery_get_current(struct cpcap_battery_ddata *ddata)
* TI or ST coulomb counter in the PMIC.
*/
static int cpcap_battery_cc_raw_div(struct cpcap_battery_ddata *ddata,
- u32 sample, s32 accumulator,
+ s32 sample, s32 accumulator,
s16 offset, u32 divider)
{
s64 acc;
@@ -224,7 +224,6 @@ static int cpcap_battery_cc_raw_div(struct cpcap_battery_ddata *ddata,
if (!divider)
return 0;

- sample &= 0xffffff; /* 24-bits, unsigned */
offset &= 0x7ff; /* 10-bits, signed */

switch (ddata->vendor) {
@@ -259,7 +258,7 @@ static int cpcap_battery_cc_raw_div(struct cpcap_battery_ddata *ddata,

/* 3600000ÎAms = 1ÎAh */
static int cpcap_battery_cc_to_uah(struct cpcap_battery_ddata *ddata,
- u32 sample, s32 accumulator,
+ s32 sample, s32 accumulator,
s16 offset)
{
return cpcap_battery_cc_raw_div(ddata, sample,
@@ -268,7 +267,7 @@ static int cpcap_battery_cc_to_uah(struct cpcap_battery_ddata *ddata,
}

static int cpcap_battery_cc_to_ua(struct cpcap_battery_ddata *ddata,
- u32 sample, s32 accumulator,
+ s32 sample, s32 accumulator,
s16 offset)
{
return cpcap_battery_cc_raw_div(ddata, sample,
@@ -312,6 +311,8 @@ cpcap_battery_read_accumulated(struct cpcap_battery_ddata *ddata,
/* Sample value CPCAP_REG_CCS1 & 2 */
ccd->sample = (buf[1] & 0x0fff) << 16;
ccd->sample |= buf[0];
+ if (ddata->vendor == CPCAP_VENDOR_TI)
+ ccd->sample = sign_extend32(24, ccd->sample);

/* Accumulator value CPCAP_REG_CCA1 & 2 */
ccd->accumulator = ((s16)buf[3]) << 16;
diff --git a/drivers/regulator/88pm800-regulator.c b/drivers/regulator/88pm800-regulator.c
new file mode 100644
index 000000000000..89bbd6e8bad1
--- /dev/null
+++ b/drivers/regulator/88pm800-regulator.c
@@ -0,0 +1,305 @@
+/*
+ * Regulators driver for Marvell 88PM800
+ *
+ * Copyright (C) 2012 Marvell International Ltd.
+ * Joseph(Yossi) Hanin <yhanin@xxxxxxxxxxx>
+ * Yi Zhang <yizhang@xxxxxxxxxxx>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+#include <linux/module.h>
+#include <linux/moduleparam.h>
+#include <linux/init.h>
+#include <linux/err.h>
+#include <linux/regmap.h>
+#include <linux/regulator/driver.h>
+#include <linux/regulator/machine.h>
+#include <linux/mfd/88pm80x.h>
+#include <linux/delay.h>
+#include <linux/io.h>
+#include <linux/of.h>
+#include <linux/regulator/of_regulator.h>
+
+/* LDO1 with DVC[0..3] */
+#define PM800_LDO1_VOUT (0x08) /* VOUT1 */
+#define PM800_LDO1_VOUT_2 (0x09)
+#define PM800_LDO1_VOUT_3 (0x0A)
+#define PM800_LDO2_VOUT (0x0B)
+#define PM800_LDO3_VOUT (0x0C)
+#define PM800_LDO4_VOUT (0x0D)
+#define PM800_LDO5_VOUT (0x0E)
+#define PM800_LDO6_VOUT (0x0F)
+#define PM800_LDO7_VOUT (0x10)
+#define PM800_LDO8_VOUT (0x11)
+#define PM800_LDO9_VOUT (0x12)
+#define PM800_LDO10_VOUT (0x13)
+#define PM800_LDO11_VOUT (0x14)
+#define PM800_LDO12_VOUT (0x15)
+#define PM800_LDO13_VOUT (0x16)
+#define PM800_LDO14_VOUT (0x17)
+#define PM800_LDO15_VOUT (0x18)
+#define PM800_LDO16_VOUT (0x19)
+#define PM800_LDO17_VOUT (0x1A)
+#define PM800_LDO18_VOUT (0x1B)
+#define PM800_LDO19_VOUT (0x1C)
+
+/* BUCK1 with DVC[0..3] */
+#define PM800_BUCK1 (0x3C)
+#define PM800_BUCK1_1 (0x3D)
+#define PM800_BUCK1_2 (0x3E)
+#define PM800_BUCK1_3 (0x3F)
+#define PM800_BUCK2 (0x40)
+#define PM800_BUCK3 (0x41)
+#define PM800_BUCK4 (0x42)
+#define PM800_BUCK4_1 (0x43)
+#define PM800_BUCK4_2 (0x44)
+#define PM800_BUCK4_3 (0x45)
+#define PM800_BUCK5 (0x46)
+
+#define PM800_BUCK_ENA (0x50)
+#define PM800_LDO_ENA1_1 (0x51)
+#define PM800_LDO_ENA1_2 (0x52)
+#define PM800_LDO_ENA1_3 (0x53)
+
+#define PM800_LDO_ENA2_1 (0x56)
+#define PM800_LDO_ENA2_2 (0x57)
+#define PM800_LDO_ENA2_3 (0x58)
+
+#define PM800_BUCK1_MISC1 (0x78)
+#define PM800_BUCK3_MISC1 (0x7E)
+#define PM800_BUCK4_MISC1 (0x81)
+#define PM800_BUCK5_MISC1 (0x84)
+
+struct pm800_regulator_info {
+ struct regulator_desc desc;
+ int max_ua;
+};
+
+struct pm800_regulators {
+ struct pm80x_chip *chip;
+ struct regmap *map;
+};
+
+/*
+ * vreg - the buck regs string.
+ * ereg - the string for the enable register.
+ * ebit - the bit number in the enable register.
+ * amax - the current
+ * Buck has 2 kinds of voltage steps. It is easy to find voltage by ranges,
+ * not the constant voltage table.
+ * n_volt - Number of available selectors
+ */
+#define PM800_BUCK(match, vreg, ereg, ebit, amax, volt_ranges, n_volt) \
+{ \
+ .desc = { \
+ .name = #vreg, \
+ .of_match = of_match_ptr(#match), \
+ .regulators_node = of_match_ptr("regulators"), \
+ .ops = &pm800_volt_range_ops, \
+ .type = REGULATOR_VOLTAGE, \
+ .id = PM800_ID_##vreg, \
+ .owner = THIS_MODULE, \
+ .n_voltages = n_volt, \
+ .linear_ranges = volt_ranges, \
+ .n_linear_ranges = ARRAY_SIZE(volt_ranges), \
+ .vsel_reg = PM800_##vreg, \
+ .vsel_mask = 0x7f, \
+ .enable_reg = PM800_##ereg, \
+ .enable_mask = 1 << (ebit), \
+ }, \
+ .max_ua = (amax), \
+}
+
+/*
+ * vreg - the LDO regs string
+ * ereg - the string for the enable register.
+ * ebit - the bit number in the enable register.
+ * amax - the current
+ * volt_table - the LDO voltage table
+ * For all the LDOes, there are too many ranges. Using volt_table will be
+ * simpler and faster.
+ */
+#define PM800_LDO(match, vreg, ereg, ebit, amax, ldo_volt_table) \
+{ \
+ .desc = { \
+ .name = #vreg, \
+ .of_match = of_match_ptr(#match), \
+ .regulators_node = of_match_ptr("regulators"), \
+ .ops = &pm800_volt_table_ops, \
+ .type = REGULATOR_VOLTAGE, \
+ .id = PM800_ID_##vreg, \
+ .owner = THIS_MODULE, \
+ .n_voltages = ARRAY_SIZE(ldo_volt_table), \
+ .vsel_reg = PM800_##vreg##_VOUT, \
+ .vsel_mask = 0xf, \
+ .enable_reg = PM800_##ereg, \
+ .enable_mask = 1 << (ebit), \
+ .volt_table = ldo_volt_table, \
+ }, \
+ .max_ua = (amax), \
+}
+
+/* Ranges are sorted in ascending order. */
+static const struct regulator_linear_range buck1_volt_range[] = {
+ REGULATOR_LINEAR_RANGE(600000, 0, 0x4f, 12500),
+ REGULATOR_LINEAR_RANGE(1600000, 0x50, 0x54, 50000),
+};
+
+/* BUCK 2~5 have same ranges. */
+static const struct regulator_linear_range buck2_5_volt_range[] = {
+ REGULATOR_LINEAR_RANGE(600000, 0, 0x4f, 12500),
+ REGULATOR_LINEAR_RANGE(1600000, 0x50, 0x72, 50000),
+};
+
+static const unsigned int ldo1_volt_table[] = {
+ 600000, 650000, 700000, 750000, 800000, 850000, 900000, 950000,
+ 1000000, 1050000, 1100000, 1150000, 1200000, 1300000, 1400000, 1500000,
+};
+
+static const unsigned int ldo2_volt_table[] = {
+ 1700000, 1800000, 1900000, 2000000, 2100000, 2500000, 2700000, 2800000,
+};
+
+/* LDO 3~17 have same voltage table. */
+static const unsigned int ldo3_17_volt_table[] = {
+ 1200000, 1250000, 1700000, 1800000, 1850000, 1900000, 2500000, 2600000,
+ 2700000, 2750000, 2800000, 2850000, 2900000, 3000000, 3100000, 3300000,
+};
+
+/* LDO 18~19 have same voltage table. */
+static const unsigned int ldo18_19_volt_table[] = {
+ 1700000, 1800000, 1900000, 2500000, 2800000, 2900000, 3100000, 3300000,
+};
+
+static int pm800_get_current_limit(struct regulator_dev *rdev)
+{
+ struct pm800_regulator_info *info = rdev_get_drvdata(rdev);
+
+ return info->max_ua;
+}
+
+static const struct regulator_ops pm800_volt_range_ops = {
+ .list_voltage = regulator_list_voltage_linear_range,
+ .map_voltage = regulator_map_voltage_linear_range,
+ .set_voltage_sel = regulator_set_voltage_sel_regmap,
+ .get_voltage_sel = regulator_get_voltage_sel_regmap,
+ .enable = regulator_enable_regmap,
+ .disable = regulator_disable_regmap,
+ .is_enabled = regulator_is_enabled_regmap,
+ .get_current_limit = pm800_get_current_limit,
+};
+
+static const struct regulator_ops pm800_volt_table_ops = {
+ .list_voltage = regulator_list_voltage_table,
+ .map_voltage = regulator_map_voltage_iterate,
+ .set_voltage_sel = regulator_set_voltage_sel_regmap,
+ .get_voltage_sel = regulator_get_voltage_sel_regmap,
+ .enable = regulator_enable_regmap,
+ .disable = regulator_disable_regmap,
+ .is_enabled = regulator_is_enabled_regmap,
+ .get_current_limit = pm800_get_current_limit,
+};
+
+/* The array is indexed by id(PM800_ID_XXX) */
+static struct pm800_regulator_info pm800_regulator_info[] = {
+ PM800_BUCK(buck1, BUCK1, BUCK_ENA, 0, 3000000, buck1_volt_range, 0x55),
+ PM800_BUCK(buck2, BUCK2, BUCK_ENA, 1, 1200000, buck2_5_volt_range, 0x73),
+ PM800_BUCK(buck3, BUCK3, BUCK_ENA, 2, 1200000, buck2_5_volt_range, 0x73),
+ PM800_BUCK(buck4, BUCK4, BUCK_ENA, 3, 1200000, buck2_5_volt_range, 0x73),
+ PM800_BUCK(buck5, BUCK5, BUCK_ENA, 4, 1200000, buck2_5_volt_range, 0x73),
+
+ PM800_LDO(ldo1, LDO1, LDO_ENA1_1, 0, 200000, ldo1_volt_table),
+ PM800_LDO(ldo2, LDO2, LDO_ENA1_1, 1, 10000, ldo2_volt_table),
+ PM800_LDO(ldo3, LDO3, LDO_ENA1_1, 2, 300000, ldo3_17_volt_table),
+ PM800_LDO(ldo4, LDO4, LDO_ENA1_1, 3, 300000, ldo3_17_volt_table),
+ PM800_LDO(ldo5, LDO5, LDO_ENA1_1, 4, 300000, ldo3_17_volt_table),
+ PM800_LDO(ldo6, LDO6, LDO_ENA1_1, 5, 300000, ldo3_17_volt_table),
+ PM800_LDO(ldo7, LDO7, LDO_ENA1_1, 6, 300000, ldo3_17_volt_table),
+ PM800_LDO(ldo8, LDO8, LDO_ENA1_1, 7, 300000, ldo3_17_volt_table),
+ PM800_LDO(ldo9, LDO9, LDO_ENA1_2, 0, 300000, ldo3_17_volt_table),
+ PM800_LDO(ldo10, LDO10, LDO_ENA1_2, 1, 300000, ldo3_17_volt_table),
+ PM800_LDO(ldo11, LDO11, LDO_ENA1_2, 2, 300000, ldo3_17_volt_table),
+ PM800_LDO(ldo12, LDO12, LDO_ENA1_2, 3, 300000, ldo3_17_volt_table),
+ PM800_LDO(ldo13, LDO13, LDO_ENA1_2, 4, 300000, ldo3_17_volt_table),
+ PM800_LDO(ldo14, LDO14, LDO_ENA1_2, 5, 300000, ldo3_17_volt_table),
+ PM800_LDO(ldo15, LDO15, LDO_ENA1_2, 6, 300000, ldo3_17_volt_table),
+ PM800_LDO(ldo16, LDO16, LDO_ENA1_2, 7, 300000, ldo3_17_volt_table),
+ PM800_LDO(ldo17, LDO17, LDO_ENA1_3, 0, 300000, ldo3_17_volt_table),
+ PM800_LDO(ldo18, LDO18, LDO_ENA1_3, 1, 200000, ldo18_19_volt_table),
+ PM800_LDO(ldo19, LDO19, LDO_ENA1_3, 2, 200000, ldo18_19_volt_table),
+};
+
+static int pm800_regulator_probe(struct platform_device *pdev)
+{
+ struct pm80x_chip *chip = dev_get_drvdata(pdev->dev.parent);
+ struct pm80x_platform_data *pdata = dev_get_platdata(pdev->dev.parent);
+ struct pm800_regulators *pm800_data;
+ struct regulator_config config = { };
+ struct regulator_init_data *init_data;
+ int i, ret;
+
+ if (pdata && pdata->num_regulators) {
+ unsigned int count = 0;
+
+ /* Check whether num_regulator is valid. */
+ for (i = 0; i < ARRAY_SIZE(pdata->regulators); i++) {
+ if (pdata->regulators[i])
+ count++;
+ }
+ if (count != pdata->num_regulators)
+ return -EINVAL;
+ }
+
+ pm800_data = devm_kzalloc(&pdev->dev, sizeof(*pm800_data),
+ GFP_KERNEL);
+ if (!pm800_data)
+ return -ENOMEM;
+
+ pm800_data->map = chip->subchip->regmap_power;
+ pm800_data->chip = chip;
+
+ platform_set_drvdata(pdev, pm800_data);
+
+ config.dev = chip->dev;
+ config.regmap = pm800_data->map;
+ for (i = 0; i < PM800_ID_RG_MAX; i++) {
+ struct regulator_dev *regulator;
+
+ if (pdata && pdata->num_regulators) {
+ init_data = pdata->regulators[i];
+ if (!init_data)
+ continue;
+
+ config.init_data = init_data;
+ }
+
+ config.driver_data = &pm800_regulator_info[i];
+
+ regulator = devm_regulator_register(&pdev->dev,
+ &pm800_regulator_info[i].desc, &config);
+ if (IS_ERR(regulator)) {
+ ret = PTR_ERR(regulator);
+ dev_err(&pdev->dev, "Failed to register %s\n",
+ pm800_regulator_info[i].desc.name);
+ return ret;
+ }
+ }
+
+ return 0;
+}
+
+static struct platform_driver pm800_regulator_driver = {
+ .driver = {
+ .name = "88pm80x-regulator",
+ },
+ .probe = pm800_regulator_probe,
+};
+
+module_platform_driver(pm800_regulator_driver);
+
+MODULE_LICENSE("GPL");
+MODULE_AUTHOR("Joseph(Yossi) Hanin <yhanin@xxxxxxxxxxx>");
+MODULE_DESCRIPTION("Regulator Driver for Marvell 88PM800 PMIC");
+MODULE_ALIAS("platform:88pm800-regulator");
diff --git a/drivers/regulator/88pm800.c b/drivers/regulator/88pm800.c
deleted file mode 100644
index 89bbd6e8bad1..000000000000
--- a/drivers/regulator/88pm800.c
+++ /dev/null
@@ -1,305 +0,0 @@
-/*
- * Regulators driver for Marvell 88PM800
- *
- * Copyright (C) 2012 Marvell International Ltd.
- * Joseph(Yossi) Hanin <yhanin@xxxxxxxxxxx>
- * Yi Zhang <yizhang@xxxxxxxxxxx>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
- */
-#include <linux/module.h>
-#include <linux/moduleparam.h>
-#include <linux/init.h>
-#include <linux/err.h>
-#include <linux/regmap.h>
-#include <linux/regulator/driver.h>
-#include <linux/regulator/machine.h>
-#include <linux/mfd/88pm80x.h>
-#include <linux/delay.h>
-#include <linux/io.h>
-#include <linux/of.h>
-#include <linux/regulator/of_regulator.h>
-
-/* LDO1 with DVC[0..3] */
-#define PM800_LDO1_VOUT (0x08) /* VOUT1 */
-#define PM800_LDO1_VOUT_2 (0x09)
-#define PM800_LDO1_VOUT_3 (0x0A)
-#define PM800_LDO2_VOUT (0x0B)
-#define PM800_LDO3_VOUT (0x0C)
-#define PM800_LDO4_VOUT (0x0D)
-#define PM800_LDO5_VOUT (0x0E)
-#define PM800_LDO6_VOUT (0x0F)
-#define PM800_LDO7_VOUT (0x10)
-#define PM800_LDO8_VOUT (0x11)
-#define PM800_LDO9_VOUT (0x12)
-#define PM800_LDO10_VOUT (0x13)
-#define PM800_LDO11_VOUT (0x14)
-#define PM800_LDO12_VOUT (0x15)
-#define PM800_LDO13_VOUT (0x16)
-#define PM800_LDO14_VOUT (0x17)
-#define PM800_LDO15_VOUT (0x18)
-#define PM800_LDO16_VOUT (0x19)
-#define PM800_LDO17_VOUT (0x1A)
-#define PM800_LDO18_VOUT (0x1B)
-#define PM800_LDO19_VOUT (0x1C)
-
-/* BUCK1 with DVC[0..3] */
-#define PM800_BUCK1 (0x3C)
-#define PM800_BUCK1_1 (0x3D)
-#define PM800_BUCK1_2 (0x3E)
-#define PM800_BUCK1_3 (0x3F)
-#define PM800_BUCK2 (0x40)
-#define PM800_BUCK3 (0x41)
-#define PM800_BUCK4 (0x42)
-#define PM800_BUCK4_1 (0x43)
-#define PM800_BUCK4_2 (0x44)
-#define PM800_BUCK4_3 (0x45)
-#define PM800_BUCK5 (0x46)
-
-#define PM800_BUCK_ENA (0x50)
-#define PM800_LDO_ENA1_1 (0x51)
-#define PM800_LDO_ENA1_2 (0x52)
-#define PM800_LDO_ENA1_3 (0x53)
-
-#define PM800_LDO_ENA2_1 (0x56)
-#define PM800_LDO_ENA2_2 (0x57)
-#define PM800_LDO_ENA2_3 (0x58)
-
-#define PM800_BUCK1_MISC1 (0x78)
-#define PM800_BUCK3_MISC1 (0x7E)
-#define PM800_BUCK4_MISC1 (0x81)
-#define PM800_BUCK5_MISC1 (0x84)
-
-struct pm800_regulator_info {
- struct regulator_desc desc;
- int max_ua;
-};
-
-struct pm800_regulators {
- struct pm80x_chip *chip;
- struct regmap *map;
-};
-
-/*
- * vreg - the buck regs string.
- * ereg - the string for the enable register.
- * ebit - the bit number in the enable register.
- * amax - the current
- * Buck has 2 kinds of voltage steps. It is easy to find voltage by ranges,
- * not the constant voltage table.
- * n_volt - Number of available selectors
- */
-#define PM800_BUCK(match, vreg, ereg, ebit, amax, volt_ranges, n_volt) \
-{ \
- .desc = { \
- .name = #vreg, \
- .of_match = of_match_ptr(#match), \
- .regulators_node = of_match_ptr("regulators"), \
- .ops = &pm800_volt_range_ops, \
- .type = REGULATOR_VOLTAGE, \
- .id = PM800_ID_##vreg, \
- .owner = THIS_MODULE, \
- .n_voltages = n_volt, \
- .linear_ranges = volt_ranges, \
- .n_linear_ranges = ARRAY_SIZE(volt_ranges), \
- .vsel_reg = PM800_##vreg, \
- .vsel_mask = 0x7f, \
- .enable_reg = PM800_##ereg, \
- .enable_mask = 1 << (ebit), \
- }, \
- .max_ua = (amax), \
-}
-
-/*
- * vreg - the LDO regs string
- * ereg - the string for the enable register.
- * ebit - the bit number in the enable register.
- * amax - the current
- * volt_table - the LDO voltage table
- * For all the LDOes, there are too many ranges. Using volt_table will be
- * simpler and faster.
- */
-#define PM800_LDO(match, vreg, ereg, ebit, amax, ldo_volt_table) \
-{ \
- .desc = { \
- .name = #vreg, \
- .of_match = of_match_ptr(#match), \
- .regulators_node = of_match_ptr("regulators"), \
- .ops = &pm800_volt_table_ops, \
- .type = REGULATOR_VOLTAGE, \
- .id = PM800_ID_##vreg, \
- .owner = THIS_MODULE, \
- .n_voltages = ARRAY_SIZE(ldo_volt_table), \
- .vsel_reg = PM800_##vreg##_VOUT, \
- .vsel_mask = 0xf, \
- .enable_reg = PM800_##ereg, \
- .enable_mask = 1 << (ebit), \
- .volt_table = ldo_volt_table, \
- }, \
- .max_ua = (amax), \
-}
-
-/* Ranges are sorted in ascending order. */
-static const struct regulator_linear_range buck1_volt_range[] = {
- REGULATOR_LINEAR_RANGE(600000, 0, 0x4f, 12500),
- REGULATOR_LINEAR_RANGE(1600000, 0x50, 0x54, 50000),
-};
-
-/* BUCK 2~5 have same ranges. */
-static const struct regulator_linear_range buck2_5_volt_range[] = {
- REGULATOR_LINEAR_RANGE(600000, 0, 0x4f, 12500),
- REGULATOR_LINEAR_RANGE(1600000, 0x50, 0x72, 50000),
-};
-
-static const unsigned int ldo1_volt_table[] = {
- 600000, 650000, 700000, 750000, 800000, 850000, 900000, 950000,
- 1000000, 1050000, 1100000, 1150000, 1200000, 1300000, 1400000, 1500000,
-};
-
-static const unsigned int ldo2_volt_table[] = {
- 1700000, 1800000, 1900000, 2000000, 2100000, 2500000, 2700000, 2800000,
-};
-
-/* LDO 3~17 have same voltage table. */
-static const unsigned int ldo3_17_volt_table[] = {
- 1200000, 1250000, 1700000, 1800000, 1850000, 1900000, 2500000, 2600000,
- 2700000, 2750000, 2800000, 2850000, 2900000, 3000000, 3100000, 3300000,
-};
-
-/* LDO 18~19 have same voltage table. */
-static const unsigned int ldo18_19_volt_table[] = {
- 1700000, 1800000, 1900000, 2500000, 2800000, 2900000, 3100000, 3300000,
-};
-
-static int pm800_get_current_limit(struct regulator_dev *rdev)
-{
- struct pm800_regulator_info *info = rdev_get_drvdata(rdev);
-
- return info->max_ua;
-}
-
-static const struct regulator_ops pm800_volt_range_ops = {
- .list_voltage = regulator_list_voltage_linear_range,
- .map_voltage = regulator_map_voltage_linear_range,
- .set_voltage_sel = regulator_set_voltage_sel_regmap,
- .get_voltage_sel = regulator_get_voltage_sel_regmap,
- .enable = regulator_enable_regmap,
- .disable = regulator_disable_regmap,
- .is_enabled = regulator_is_enabled_regmap,
- .get_current_limit = pm800_get_current_limit,
-};
-
-static const struct regulator_ops pm800_volt_table_ops = {
- .list_voltage = regulator_list_voltage_table,
- .map_voltage = regulator_map_voltage_iterate,
- .set_voltage_sel = regulator_set_voltage_sel_regmap,
- .get_voltage_sel = regulator_get_voltage_sel_regmap,
- .enable = regulator_enable_regmap,
- .disable = regulator_disable_regmap,
- .is_enabled = regulator_is_enabled_regmap,
- .get_current_limit = pm800_get_current_limit,
-};
-
-/* The array is indexed by id(PM800_ID_XXX) */
-static struct pm800_regulator_info pm800_regulator_info[] = {
- PM800_BUCK(buck1, BUCK1, BUCK_ENA, 0, 3000000, buck1_volt_range, 0x55),
- PM800_BUCK(buck2, BUCK2, BUCK_ENA, 1, 1200000, buck2_5_volt_range, 0x73),
- PM800_BUCK(buck3, BUCK3, BUCK_ENA, 2, 1200000, buck2_5_volt_range, 0x73),
- PM800_BUCK(buck4, BUCK4, BUCK_ENA, 3, 1200000, buck2_5_volt_range, 0x73),
- PM800_BUCK(buck5, BUCK5, BUCK_ENA, 4, 1200000, buck2_5_volt_range, 0x73),
-
- PM800_LDO(ldo1, LDO1, LDO_ENA1_1, 0, 200000, ldo1_volt_table),
- PM800_LDO(ldo2, LDO2, LDO_ENA1_1, 1, 10000, ldo2_volt_table),
- PM800_LDO(ldo3, LDO3, LDO_ENA1_1, 2, 300000, ldo3_17_volt_table),
- PM800_LDO(ldo4, LDO4, LDO_ENA1_1, 3, 300000, ldo3_17_volt_table),
- PM800_LDO(ldo5, LDO5, LDO_ENA1_1, 4, 300000, ldo3_17_volt_table),
- PM800_LDO(ldo6, LDO6, LDO_ENA1_1, 5, 300000, ldo3_17_volt_table),
- PM800_LDO(ldo7, LDO7, LDO_ENA1_1, 6, 300000, ldo3_17_volt_table),
- PM800_LDO(ldo8, LDO8, LDO_ENA1_1, 7, 300000, ldo3_17_volt_table),
- PM800_LDO(ldo9, LDO9, LDO_ENA1_2, 0, 300000, ldo3_17_volt_table),
- PM800_LDO(ldo10, LDO10, LDO_ENA1_2, 1, 300000, ldo3_17_volt_table),
- PM800_LDO(ldo11, LDO11, LDO_ENA1_2, 2, 300000, ldo3_17_volt_table),
- PM800_LDO(ldo12, LDO12, LDO_ENA1_2, 3, 300000, ldo3_17_volt_table),
- PM800_LDO(ldo13, LDO13, LDO_ENA1_2, 4, 300000, ldo3_17_volt_table),
- PM800_LDO(ldo14, LDO14, LDO_ENA1_2, 5, 300000, ldo3_17_volt_table),
- PM800_LDO(ldo15, LDO15, LDO_ENA1_2, 6, 300000, ldo3_17_volt_table),
- PM800_LDO(ldo16, LDO16, LDO_ENA1_2, 7, 300000, ldo3_17_volt_table),
- PM800_LDO(ldo17, LDO17, LDO_ENA1_3, 0, 300000, ldo3_17_volt_table),
- PM800_LDO(ldo18, LDO18, LDO_ENA1_3, 1, 200000, ldo18_19_volt_table),
- PM800_LDO(ldo19, LDO19, LDO_ENA1_3, 2, 200000, ldo18_19_volt_table),
-};
-
-static int pm800_regulator_probe(struct platform_device *pdev)
-{
- struct pm80x_chip *chip = dev_get_drvdata(pdev->dev.parent);
- struct pm80x_platform_data *pdata = dev_get_platdata(pdev->dev.parent);
- struct pm800_regulators *pm800_data;
- struct regulator_config config = { };
- struct regulator_init_data *init_data;
- int i, ret;
-
- if (pdata && pdata->num_regulators) {
- unsigned int count = 0;
-
- /* Check whether num_regulator is valid. */
- for (i = 0; i < ARRAY_SIZE(pdata->regulators); i++) {
- if (pdata->regulators[i])
- count++;
- }
- if (count != pdata->num_regulators)
- return -EINVAL;
- }
-
- pm800_data = devm_kzalloc(&pdev->dev, sizeof(*pm800_data),
- GFP_KERNEL);
- if (!pm800_data)
- return -ENOMEM;
-
- pm800_data->map = chip->subchip->regmap_power;
- pm800_data->chip = chip;
-
- platform_set_drvdata(pdev, pm800_data);
-
- config.dev = chip->dev;
- config.regmap = pm800_data->map;
- for (i = 0; i < PM800_ID_RG_MAX; i++) {
- struct regulator_dev *regulator;
-
- if (pdata && pdata->num_regulators) {
- init_data = pdata->regulators[i];
- if (!init_data)
- continue;
-
- config.init_data = init_data;
- }
-
- config.driver_data = &pm800_regulator_info[i];
-
- regulator = devm_regulator_register(&pdev->dev,
- &pm800_regulator_info[i].desc, &config);
- if (IS_ERR(regulator)) {
- ret = PTR_ERR(regulator);
- dev_err(&pdev->dev, "Failed to register %s\n",
- pm800_regulator_info[i].desc.name);
- return ret;
- }
- }
-
- return 0;
-}
-
-static struct platform_driver pm800_regulator_driver = {
- .driver = {
- .name = "88pm80x-regulator",
- },
- .probe = pm800_regulator_probe,
-};
-
-module_platform_driver(pm800_regulator_driver);
-
-MODULE_LICENSE("GPL");
-MODULE_AUTHOR("Joseph(Yossi) Hanin <yhanin@xxxxxxxxxxx>");
-MODULE_DESCRIPTION("Regulator Driver for Marvell 88PM800 PMIC");
-MODULE_ALIAS("platform:88pm800-regulator");
diff --git a/drivers/regulator/Makefile b/drivers/regulator/Makefile
index 801d9a34a203..bba9c4851faf 100644
--- a/drivers/regulator/Makefile
+++ b/drivers/regulator/Makefile
@@ -11,7 +11,7 @@ obj-$(CONFIG_REGULATOR_VIRTUAL_CONSUMER) += virtual.o
obj-$(CONFIG_REGULATOR_USERSPACE_CONSUMER) += userspace-consumer.o

obj-$(CONFIG_REGULATOR_88PG86X) += 88pg86x.o
-obj-$(CONFIG_REGULATOR_88PM800) += 88pm800.o
+obj-$(CONFIG_REGULATOR_88PM800) += 88pm800-regulator.o
obj-$(CONFIG_REGULATOR_88PM8607) += 88pm8607.o
obj-$(CONFIG_REGULATOR_CPCAP) += cpcap-regulator.o
obj-$(CONFIG_REGULATOR_AAT2870) += aat2870-regulator.o
diff --git a/drivers/rtc/interface.c b/drivers/rtc/interface.c
index 3d577e259e91..ce051f91829f 100644
--- a/drivers/rtc/interface.c
+++ b/drivers/rtc/interface.c
@@ -127,7 +127,7 @@ EXPORT_SYMBOL_GPL(rtc_read_time);

int rtc_set_time(struct rtc_device *rtc, struct rtc_time *tm)
{
- int err;
+ int err, uie;

err = rtc_valid_tm(tm);
if (err != 0)
@@ -139,6 +139,17 @@ int rtc_set_time(struct rtc_device *rtc, struct rtc_time *tm)

rtc_subtract_offset(rtc, tm);

+#ifdef CONFIG_RTC_INTF_DEV_UIE_EMUL
+ uie = rtc->uie_rtctimer.enabled || rtc->uie_irq_active;
+#else
+ uie = rtc->uie_rtctimer.enabled;
+#endif
+ if (uie) {
+ err = rtc_update_irq_enable(rtc, 0);
+ if (err)
+ return err;
+ }
+
err = mutex_lock_interruptible(&rtc->ops_lock);
if (err)
return err;
@@ -162,6 +173,12 @@ int rtc_set_time(struct rtc_device *rtc, struct rtc_time *tm)
/* A timer might have just expired */
schedule_work(&rtc->irqwork);

+ if (uie) {
+ err = rtc_update_irq_enable(rtc, 1);
+ if (err)
+ return err;
+ }
+
trace_rtc_set_time(rtc_tm_to_time64(tm), err);
return err;
}
diff --git a/drivers/s390/scsi/zfcp_dbf.c b/drivers/s390/scsi/zfcp_dbf.c
index 3b368fcf13f4..946380f0d719 100644
--- a/drivers/s390/scsi/zfcp_dbf.c
+++ b/drivers/s390/scsi/zfcp_dbf.c
@@ -94,11 +94,9 @@ void zfcp_dbf_hba_fsf_res(char *tag, int level, struct zfcp_fsf_req *req)
memcpy(rec->u.res.fsf_status_qual, &q_head->fsf_status_qual,
FSF_STATUS_QUALIFIER_SIZE);

- if (req->fsf_command != FSF_QTCB_FCP_CMND) {
- rec->pl_len = q_head->log_length;
- zfcp_dbf_pl_write(dbf, (char *)q_pref + q_head->log_start,
- rec->pl_len, "fsf_res", req->req_id);
- }
+ rec->pl_len = q_head->log_length;
+ zfcp_dbf_pl_write(dbf, (char *)q_pref + q_head->log_start,
+ rec->pl_len, "fsf_res", req->req_id);

debug_event(dbf->hba, level, rec, sizeof(*rec));
spin_unlock_irqrestore(&dbf->hba_lock, flags);
diff --git a/drivers/scsi/hisi_sas/hisi_sas.h b/drivers/scsi/hisi_sas/hisi_sas.h
index 6c7d2e201abe..d499c4466166 100644
--- a/drivers/scsi/hisi_sas/hisi_sas.h
+++ b/drivers/scsi/hisi_sas/hisi_sas.h
@@ -220,7 +220,7 @@ struct hisi_sas_hw {
int (*slot_index_alloc)(struct hisi_hba *hisi_hba, int *slot_idx,
struct domain_device *device);
struct hisi_sas_device *(*alloc_dev)(struct domain_device *device);
- void (*sl_notify)(struct hisi_hba *hisi_hba, int phy_no);
+ void (*sl_notify_ssp)(struct hisi_hba *hisi_hba, int phy_no);
int (*get_free_slot)(struct hisi_hba *hisi_hba, struct hisi_sas_dq *dq);
void (*start_delivery)(struct hisi_sas_dq *dq);
void (*prep_ssp)(struct hisi_hba *hisi_hba,
diff --git a/drivers/scsi/hisi_sas/hisi_sas_main.c b/drivers/scsi/hisi_sas/hisi_sas_main.c
index f478d1f50dfc..f35c56217694 100644
--- a/drivers/scsi/hisi_sas/hisi_sas_main.c
+++ b/drivers/scsi/hisi_sas/hisi_sas_main.c
@@ -716,7 +716,8 @@ static void hisi_sas_phyup_work(struct work_struct *work)
struct asd_sas_phy *sas_phy = &phy->sas_phy;
int phy_no = sas_phy->id;

- hisi_hba->hw->sl_notify(hisi_hba, phy_no); /* This requires a sleep */
+ if (phy->identify.target_port_protocols == SAS_PROTOCOL_SSP)
+ hisi_hba->hw->sl_notify_ssp(hisi_hba, phy_no);
hisi_sas_bytes_dmaed(hisi_hba, phy_no);
}

@@ -885,7 +886,7 @@ static int hisi_sas_queue_command(struct sas_task *task, gfp_t gfp_flags)
return hisi_sas_task_exec(task, gfp_flags, 0, NULL);
}

-static void hisi_sas_phy_set_linkrate(struct hisi_hba *hisi_hba, int phy_no,
+static int hisi_sas_phy_set_linkrate(struct hisi_hba *hisi_hba, int phy_no,
struct sas_phy_linkrates *r)
{
struct sas_phy_linkrates _r;
@@ -894,6 +895,9 @@ static void hisi_sas_phy_set_linkrate(struct hisi_hba *hisi_hba, int phy_no,
struct asd_sas_phy *sas_phy = &phy->sas_phy;
enum sas_linkrate min, max;

+ if (r->minimum_linkrate > SAS_LINK_RATE_1_5_GBPS)
+ return -EINVAL;
+
if (r->maximum_linkrate == SAS_LINK_RATE_UNKNOWN) {
max = sas_phy->phy->maximum_linkrate;
min = r->minimum_linkrate;
@@ -901,7 +905,7 @@ static void hisi_sas_phy_set_linkrate(struct hisi_hba *hisi_hba, int phy_no,
max = r->maximum_linkrate;
min = sas_phy->phy->minimum_linkrate;
} else
- return;
+ return -EINVAL;

_r.maximum_linkrate = max;
_r.minimum_linkrate = min;
@@ -913,6 +917,8 @@ static void hisi_sas_phy_set_linkrate(struct hisi_hba *hisi_hba, int phy_no,
msleep(100);
hisi_hba->hw->phy_set_linkrate(hisi_hba, phy_no, &_r);
hisi_hba->hw->phy_start(hisi_hba, phy_no);
+
+ return 0;
}

static int hisi_sas_control_phy(struct asd_sas_phy *sas_phy, enum phy_func func,
@@ -938,8 +944,7 @@ static int hisi_sas_control_phy(struct asd_sas_phy *sas_phy, enum phy_func func,
break;

case PHY_FUNC_SET_LINK_RATE:
- hisi_sas_phy_set_linkrate(hisi_hba, phy_no, funcdata);
- break;
+ return hisi_sas_phy_set_linkrate(hisi_hba, phy_no, funcdata);
case PHY_FUNC_GET_EVENTS:
if (hisi_hba->hw->get_events) {
hisi_hba->hw->get_events(hisi_hba, phy_no);
diff --git a/drivers/scsi/hisi_sas/hisi_sas_v1_hw.c b/drivers/scsi/hisi_sas/hisi_sas_v1_hw.c
index 410eccf0bc5e..8aa3222fe486 100644
--- a/drivers/scsi/hisi_sas/hisi_sas_v1_hw.c
+++ b/drivers/scsi/hisi_sas/hisi_sas_v1_hw.c
@@ -834,7 +834,7 @@ static void phys_init_v1_hw(struct hisi_hba *hisi_hba)
mod_timer(timer, jiffies + HZ);
}

-static void sl_notify_v1_hw(struct hisi_hba *hisi_hba, int phy_no)
+static void sl_notify_ssp_v1_hw(struct hisi_hba *hisi_hba, int phy_no)
{
u32 sl_control;

@@ -1822,7 +1822,7 @@ static struct scsi_host_template sht_v1_hw = {
static const struct hisi_sas_hw hisi_sas_v1_hw = {
.hw_init = hisi_sas_v1_init,
.setup_itct = setup_itct_v1_hw,
- .sl_notify = sl_notify_v1_hw,
+ .sl_notify_ssp = sl_notify_ssp_v1_hw,
.clear_itct = clear_itct_v1_hw,
.prep_smp = prep_smp_v1_hw,
.prep_ssp = prep_ssp_v1_hw,
diff --git a/drivers/scsi/hisi_sas/hisi_sas_v2_hw.c b/drivers/scsi/hisi_sas/hisi_sas_v2_hw.c
index c4774d63d5d0..ebc984ffe6a2 100644
--- a/drivers/scsi/hisi_sas/hisi_sas_v2_hw.c
+++ b/drivers/scsi/hisi_sas/hisi_sas_v2_hw.c
@@ -1584,7 +1584,7 @@ static void phys_init_v2_hw(struct hisi_hba *hisi_hba)
}
}

-static void sl_notify_v2_hw(struct hisi_hba *hisi_hba, int phy_no)
+static void sl_notify_ssp_v2_hw(struct hisi_hba *hisi_hba, int phy_no)
{
u32 sl_control;

@@ -3575,7 +3575,7 @@ static const struct hisi_sas_hw hisi_sas_v2_hw = {
.setup_itct = setup_itct_v2_hw,
.slot_index_alloc = slot_index_alloc_quirk_v2_hw,
.alloc_dev = alloc_dev_quirk_v2_hw,
- .sl_notify = sl_notify_v2_hw,
+ .sl_notify_ssp = sl_notify_ssp_v2_hw,
.get_wideport_bitmap = get_wideport_bitmap_v2_hw,
.clear_itct = clear_itct_v2_hw,
.free_device = free_device_v2_hw,
diff --git a/drivers/scsi/hisi_sas/hisi_sas_v3_hw.c b/drivers/scsi/hisi_sas/hisi_sas_v3_hw.c
index a7407d5376ba..ce2f232b3df3 100644
--- a/drivers/scsi/hisi_sas/hisi_sas_v3_hw.c
+++ b/drivers/scsi/hisi_sas/hisi_sas_v3_hw.c
@@ -827,7 +827,7 @@ static void phys_init_v3_hw(struct hisi_hba *hisi_hba)
}
}

-static void sl_notify_v3_hw(struct hisi_hba *hisi_hba, int phy_no)
+static void sl_notify_ssp_v3_hw(struct hisi_hba *hisi_hba, int phy_no)
{
u32 sl_control;

@@ -2127,7 +2127,7 @@ static const struct hisi_sas_hw hisi_sas_v3_hw = {
.get_wideport_bitmap = get_wideport_bitmap_v3_hw,
.complete_hdr_size = sizeof(struct hisi_sas_complete_v3_hdr),
.clear_itct = clear_itct_v3_hw,
- .sl_notify = sl_notify_v3_hw,
+ .sl_notify_ssp = sl_notify_ssp_v3_hw,
.prep_ssp = prep_ssp_v3_hw,
.prep_smp = prep_smp_v3_hw,
.prep_stp = prep_ata_v3_hw,
diff --git a/drivers/scsi/lpfc/lpfc.h b/drivers/scsi/lpfc/lpfc.h
index a62e85cb62eb..706aca3f7c25 100644
--- a/drivers/scsi/lpfc/lpfc.h
+++ b/drivers/scsi/lpfc/lpfc.h
@@ -966,7 +966,8 @@ struct lpfc_hba {
struct list_head port_list;
struct lpfc_vport *pport; /* physical lpfc_vport pointer */
uint16_t max_vpi; /* Maximum virtual nports */
-#define LPFC_MAX_VPI 0xFFFF /* Max number of VPI supported */
+#define LPFC_MAX_VPI 0xFF /* Max number VPI supported 0 - 0xff */
+#define LPFC_MAX_VPORTS 0x100 /* Max vports per port, with pport */
uint16_t max_vports; /*
* For IOV HBAs max_vpi can change
* after a reset. max_vports is max
diff --git a/drivers/scsi/lpfc/lpfc_attr.c b/drivers/scsi/lpfc/lpfc_attr.c
index 3f69a5e4e470..fe084d47ed9e 100644
--- a/drivers/scsi/lpfc/lpfc_attr.c
+++ b/drivers/scsi/lpfc/lpfc_attr.c
@@ -1632,6 +1632,9 @@ lpfc_get_hba_info(struct lpfc_hba *phba,
max_vpi = (bf_get(lpfc_mbx_rd_conf_vpi_count, rd_config) > 0) ?
(bf_get(lpfc_mbx_rd_conf_vpi_count, rd_config) - 1) : 0;

+ /* Limit the max we support */
+ if (max_vpi > LPFC_MAX_VPI)
+ max_vpi = LPFC_MAX_VPI;
if (mvpi)
*mvpi = max_vpi;
if (avpi)
@@ -1647,8 +1650,13 @@ lpfc_get_hba_info(struct lpfc_hba *phba,
*axri = pmb->un.varRdConfig.avail_xri;
if (mvpi)
*mvpi = pmb->un.varRdConfig.max_vpi;
- if (avpi)
- *avpi = pmb->un.varRdConfig.avail_vpi;
+ if (avpi) {
+ /* avail_vpi is only valid if link is up and ready */
+ if (phba->link_state == LPFC_HBA_READY)
+ *avpi = pmb->un.varRdConfig.avail_vpi;
+ else
+ *avpi = pmb->un.varRdConfig.max_vpi;
+ }
}

mempool_free(pmboxq, phba->mbox_mem_pool);
@@ -3841,8 +3849,9 @@ lpfc_topology_store(struct device *dev, struct device_attribute *attr,
val);
return -EINVAL;
}
- if (phba->pcidev->device == PCI_DEVICE_ID_LANCER_G6_FC &&
- val == 4) {
+ if ((phba->pcidev->device == PCI_DEVICE_ID_LANCER_G6_FC ||
+ phba->pcidev->device == PCI_DEVICE_ID_LANCER_G7_FC) &&
+ val == 4) {
lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT,
"3114 Loop mode not supported\n");
return -EINVAL;
diff --git a/drivers/scsi/lpfc/lpfc_init.c b/drivers/scsi/lpfc/lpfc_init.c
index da63c026ba46..57510a831735 100644
--- a/drivers/scsi/lpfc/lpfc_init.c
+++ b/drivers/scsi/lpfc/lpfc_init.c
@@ -7766,6 +7766,9 @@ lpfc_sli4_read_config(struct lpfc_hba *phba)
bf_get(lpfc_mbx_rd_conf_xri_base, rd_config);
phba->sli4_hba.max_cfg_param.max_vpi =
bf_get(lpfc_mbx_rd_conf_vpi_count, rd_config);
+ /* Limit the max we support */
+ if (phba->sli4_hba.max_cfg_param.max_vpi > LPFC_MAX_VPORTS)
+ phba->sli4_hba.max_cfg_param.max_vpi = LPFC_MAX_VPORTS;
phba->sli4_hba.max_cfg_param.vpi_base =
bf_get(lpfc_mbx_rd_conf_vpi_base, rd_config);
phba->sli4_hba.max_cfg_param.max_rpi =
diff --git a/drivers/scsi/lpfc/lpfc_mbox.c b/drivers/scsi/lpfc/lpfc_mbox.c
index deb094fdbb79..e6bf5e8bc767 100644
--- a/drivers/scsi/lpfc/lpfc_mbox.c
+++ b/drivers/scsi/lpfc/lpfc_mbox.c
@@ -513,9 +513,9 @@ lpfc_init_link(struct lpfc_hba * phba,
break;
}

- if (phba->pcidev->device == PCI_DEVICE_ID_LANCER_G6_FC &&
- mb->un.varInitLnk.link_flags & FLAGS_TOPOLOGY_MODE_LOOP) {
- /* Failover is not tried for Lancer G6 */
+ if ((phba->pcidev->device == PCI_DEVICE_ID_LANCER_G6_FC ||
+ phba->pcidev->device == PCI_DEVICE_ID_LANCER_G7_FC) &&
+ mb->un.varInitLnk.link_flags & FLAGS_TOPOLOGY_MODE_LOOP) {
mb->un.varInitLnk.link_flags = FLAGS_TOPOLOGY_MODE_PT_PT;
phba->cfg_topology = FLAGS_TOPOLOGY_MODE_PT_PT;
}
diff --git a/drivers/scsi/lpfc/lpfc_nvme.c b/drivers/scsi/lpfc/lpfc_nvme.c
index 8ee585e453dc..f73726e55e44 100644
--- a/drivers/scsi/lpfc/lpfc_nvme.c
+++ b/drivers/scsi/lpfc/lpfc_nvme.c
@@ -1856,7 +1856,6 @@ lpfc_nvme_fcp_abort(struct nvme_fc_local_port *pnvme_lport,
bf_set(abort_cmd_criteria, &abts_wqe->abort_cmd, T_XRI_TAG);

/* word 7 */
- bf_set(wqe_ct, &abts_wqe->abort_cmd.wqe_com, 0);
bf_set(wqe_cmnd, &abts_wqe->abort_cmd.wqe_com, CMD_ABORT_XRI_CX);
bf_set(wqe_class, &abts_wqe->abort_cmd.wqe_com,
nvmereq_wqe->iocb.ulpClass);
@@ -1871,7 +1870,6 @@ lpfc_nvme_fcp_abort(struct nvme_fc_local_port *pnvme_lport,
abts_buf->iotag);

/* word 10 */
- bf_set(wqe_wqid, &abts_wqe->abort_cmd.wqe_com, nvmereq_wqe->hba_wqidx);
bf_set(wqe_qosd, &abts_wqe->abort_cmd.wqe_com, 1);
bf_set(wqe_lenloc, &abts_wqe->abort_cmd.wqe_com, LPFC_WQE_LENLOC_NONE);

diff --git a/drivers/scsi/lpfc/lpfc_sli.c b/drivers/scsi/lpfc/lpfc_sli.c
index 755803ff6cfe..f459fd62e493 100644
--- a/drivers/scsi/lpfc/lpfc_sli.c
+++ b/drivers/scsi/lpfc/lpfc_sli.c
@@ -10989,19 +10989,12 @@ lpfc_sli4_abort_nvme_io(struct lpfc_hba *phba, struct lpfc_sli_ring *pring,

/* Complete prepping the abort wqe and issue to the FW. */
abts_wqe = &abtsiocbp->wqe;
- bf_set(abort_cmd_ia, &abts_wqe->abort_cmd, 0);
- bf_set(abort_cmd_criteria, &abts_wqe->abort_cmd, T_XRI_TAG);
-
- /* Explicitly set reserved fields to zero.*/
- abts_wqe->abort_cmd.rsrvd4 = 0;
- abts_wqe->abort_cmd.rsrvd5 = 0;

- /* WQE Common - word 6. Context is XRI tag. Set 0. */
- bf_set(wqe_xri_tag, &abts_wqe->abort_cmd.wqe_com, 0);
- bf_set(wqe_ctxt_tag, &abts_wqe->abort_cmd.wqe_com, 0);
+ /* Clear any stale WQE contents */
+ memset(abts_wqe, 0, sizeof(union lpfc_wqe));
+ bf_set(abort_cmd_criteria, &abts_wqe->abort_cmd, T_XRI_TAG);

/* word 7 */
- bf_set(wqe_ct, &abts_wqe->abort_cmd.wqe_com, 0);
bf_set(wqe_cmnd, &abts_wqe->abort_cmd.wqe_com, CMD_ABORT_XRI_CX);
bf_set(wqe_class, &abts_wqe->abort_cmd.wqe_com,
cmdiocb->iocb.ulpClass);
@@ -11016,7 +11009,6 @@ lpfc_sli4_abort_nvme_io(struct lpfc_hba *phba, struct lpfc_sli_ring *pring,
abtsiocbp->iotag);

/* word 10 */
- bf_set(wqe_wqid, &abts_wqe->abort_cmd.wqe_com, cmdiocb->hba_wqidx);
bf_set(wqe_qosd, &abts_wqe->abort_cmd.wqe_com, 1);
bf_set(wqe_lenloc, &abts_wqe->abort_cmd.wqe_com, LPFC_WQE_LENLOC_NONE);

diff --git a/drivers/scsi/qla2xxx/qla_attr.c b/drivers/scsi/qla2xxx/qla_attr.c
index 3e9c49b3184f..b008d583dd6e 100644
--- a/drivers/scsi/qla2xxx/qla_attr.c
+++ b/drivers/scsi/qla2xxx/qla_attr.c
@@ -655,7 +655,8 @@ qla2x00_sysfs_write_reset(struct file *filp, struct kobject *kobj,
break;
} else {
/* Make sure FC side is not in reset */
- qla2x00_wait_for_hba_online(vha);
+ WARN_ON_ONCE(qla2x00_wait_for_hba_online(vha) !=
+ QLA_SUCCESS);

/* Issue MPI reset */
scsi_block_requests(vha->host);
diff --git a/drivers/scsi/qla2xxx/qla_bsg.c b/drivers/scsi/qla2xxx/qla_bsg.c
index 85b03a7f473c..47f062e96e62 100644
--- a/drivers/scsi/qla2xxx/qla_bsg.c
+++ b/drivers/scsi/qla2xxx/qla_bsg.c
@@ -342,6 +342,8 @@ qla2x00_process_els(struct bsg_job *bsg_job)
dma_map_sg(&ha->pdev->dev, bsg_job->request_payload.sg_list,
bsg_job->request_payload.sg_cnt, DMA_TO_DEVICE);
if (!req_sg_cnt) {
+ dma_unmap_sg(&ha->pdev->dev, bsg_job->request_payload.sg_list,
+ bsg_job->request_payload.sg_cnt, DMA_TO_DEVICE);
rval = -ENOMEM;
goto done_free_fcport;
}
@@ -349,6 +351,8 @@ qla2x00_process_els(struct bsg_job *bsg_job)
rsp_sg_cnt = dma_map_sg(&ha->pdev->dev, bsg_job->reply_payload.sg_list,
bsg_job->reply_payload.sg_cnt, DMA_FROM_DEVICE);
if (!rsp_sg_cnt) {
+ dma_unmap_sg(&ha->pdev->dev, bsg_job->reply_payload.sg_list,
+ bsg_job->reply_payload.sg_cnt, DMA_FROM_DEVICE);
rval = -ENOMEM;
goto done_free_fcport;
}
@@ -1775,8 +1779,8 @@ qla24xx_process_bidir_cmd(struct bsg_job *bsg_job)
uint16_t nextlid = 0;
uint32_t tot_dsds;
srb_t *sp = NULL;
- uint32_t req_data_len = 0;
- uint32_t rsp_data_len = 0;
+ uint32_t req_data_len;
+ uint32_t rsp_data_len;

/* Check the type of the adapter */
if (!IS_BIDI_CAPABLE(ha)) {
@@ -1881,6 +1885,9 @@ qla24xx_process_bidir_cmd(struct bsg_job *bsg_job)
goto done_unmap_sg;
}

+ req_data_len = bsg_job->request_payload.payload_len;
+ rsp_data_len = bsg_job->reply_payload.payload_len;
+
if (req_data_len != rsp_data_len) {
rval = EXT_STATUS_BUSY;
ql_log(ql_log_warn, vha, 0x70aa,
@@ -1888,10 +1895,6 @@ qla24xx_process_bidir_cmd(struct bsg_job *bsg_job)
goto done_unmap_sg;
}

- req_data_len = bsg_job->request_payload.payload_len;
- rsp_data_len = bsg_job->reply_payload.payload_len;
-
-
/* Alloc SRB structure */
sp = qla2x00_get_sp(vha, &(vha->bidir_fcport), GFP_KERNEL);
if (!sp) {
diff --git a/drivers/scsi/qla2xxx/qla_gs.c b/drivers/scsi/qla2xxx/qla_gs.c
index b8d3403c3c85..f621cb55ccfb 100644
--- a/drivers/scsi/qla2xxx/qla_gs.c
+++ b/drivers/scsi/qla2xxx/qla_gs.c
@@ -3264,7 +3264,7 @@ static void qla24xx_async_gpsc_sp_done(void *s, int res)
fcport->flags &= ~(FCF_ASYNC_SENT | FCF_ASYNC_ACTIVE);

if (res == QLA_FUNCTION_TIMEOUT)
- return;
+ goto done;

if (res == (DID_ERROR << 16)) {
/* entry status error */
diff --git a/drivers/scsi/qla2xxx/qla_init.c b/drivers/scsi/qla2xxx/qla_init.c
index f7dd289779b1..d734dcf517b9 100644
--- a/drivers/scsi/qla2xxx/qla_init.c
+++ b/drivers/scsi/qla2xxx/qla_init.c
@@ -291,9 +291,6 @@ qla2x00_async_logout(struct scsi_qla_host *vha, fc_port_t *fcport)
struct srb_iocb *lio;
int rval = QLA_FUNCTION_FAILED;

- if (!vha->flags.online || (fcport->flags & FCF_ASYNC_SENT))
- return rval;
-
fcport->flags |= FCF_ASYNC_SENT;
sp = qla2x00_get_sp(vha, fcport, GFP_KERNEL);
if (!sp)
@@ -436,6 +433,7 @@ int qla_post_els_plogi_work(struct scsi_qla_host *vha, fc_port_t *fcport)

e->u.fcport.fcport = fcport;
fcport->flags |= FCF_ASYNC_ACTIVE;
+ fcport->disc_state = DSC_LOGIN_PEND;
return qla2x00_post_work(vha, e);
}

@@ -985,13 +983,11 @@ void qla24xx_async_gpdb_sp_done(void *s, int res)
"Async done-%s res %x, WWPN %8phC mb[1]=%x mb[2]=%x \n",
sp->name, res, fcport->port_name, mb[1], mb[2]);

- if (res == QLA_FUNCTION_TIMEOUT) {
- dma_pool_free(sp->vha->hw->s_dma_pool, sp->u.iocb_cmd.u.mbx.in,
- sp->u.iocb_cmd.u.mbx.in_dma);
- return;
- }
-
fcport->flags &= ~(FCF_ASYNC_SENT | FCF_ASYNC_ACTIVE);
+
+ if (res == QLA_FUNCTION_TIMEOUT)
+ goto done;
+
memset(&ea, 0, sizeof(ea));
ea.event = FCME_GPDB_DONE;
ea.fcport = fcport;
@@ -999,6 +995,7 @@ void qla24xx_async_gpdb_sp_done(void *s, int res)

qla2x00_fcport_event_handler(vha, &ea);

+done:
dma_pool_free(ha->s_dma_pool, sp->u.iocb_cmd.u.mbx.in,
sp->u.iocb_cmd.u.mbx.in_dma);

@@ -8725,8 +8722,6 @@ int qla2xxx_delete_qpair(struct scsi_qla_host *vha, struct qla_qpair *qpair)
struct qla_hw_data *ha = qpair->hw;

qpair->delete_in_progress = 1;
- while (atomic_read(&qpair->ref_count))
- msleep(500);

ret = qla25xx_delete_req_que(vha, qpair->req);
if (ret != QLA_SUCCESS)
diff --git a/drivers/scsi/qla2xxx/qla_isr.c b/drivers/scsi/qla2xxx/qla_isr.c
index 8fa7242dbb43..afe15b3e45fb 100644
--- a/drivers/scsi/qla2xxx/qla_isr.c
+++ b/drivers/scsi/qla2xxx/qla_isr.c
@@ -3418,10 +3418,8 @@ qla24xx_enable_msix(struct qla_hw_data *ha, struct rsp_que *rsp)
ha->msix_count, ret);
goto msix_out;
} else if (ret < ha->msix_count) {
- ql_log(ql_log_warn, vha, 0x00c6,
- "MSI-X: Failed to enable support "
- "with %d vectors, using %d vectors.\n",
- ha->msix_count, ret);
+ ql_log(ql_log_info, vha, 0x00c6,
+ "MSI-X: Using %d vectors\n", ret);
ha->msix_count = ret;
/* Recalculate queue values */
if (ha->mqiobase && (ql2xmqsupport || ql2xnvmeenable)) {
diff --git a/drivers/scsi/qla2xxx/qla_mbx.c b/drivers/scsi/qla2xxx/qla_mbx.c
index 128fcff24f1b..b01f69dd4b28 100644
--- a/drivers/scsi/qla2xxx/qla_mbx.c
+++ b/drivers/scsi/qla2xxx/qla_mbx.c
@@ -6131,17 +6131,13 @@ int qla24xx_send_mb_cmd(struct scsi_qla_host *vha, mbx_cmd_t *mcp)
case QLA_SUCCESS:
ql_dbg(ql_dbg_mbx, vha, 0x119d, "%s: %s done.\n",
__func__, sp->name);
- sp->free(sp);
break;
default:
ql_dbg(ql_dbg_mbx, vha, 0x119e, "%s: %s Failed. %x.\n",
__func__, sp->name, rval);
- sp->free(sp);
break;
}

- return rval;
-
done_free_sp:
sp->free(sp);
done:
diff --git a/drivers/scsi/qla2xxx/qla_mid.c b/drivers/scsi/qla2xxx/qla_mid.c
index d620f4bebcd0..516fccdbcebd 100644
--- a/drivers/scsi/qla2xxx/qla_mid.c
+++ b/drivers/scsi/qla2xxx/qla_mid.c
@@ -931,7 +931,7 @@ int qla24xx_control_vp(scsi_qla_host_t *vha, int cmd)

sp = qla2x00_get_sp(base_vha, NULL, GFP_KERNEL);
if (!sp)
- goto done;
+ return rval;

sp->type = SRB_CTRL_VP;
sp->name = "ctrl_vp";
@@ -946,7 +946,7 @@ int qla24xx_control_vp(scsi_qla_host_t *vha, int cmd)
ql_dbg(ql_dbg_async, vha, 0xffff,
"%s: %s Failed submission. %x.\n",
__func__, sp->name, rval);
- goto done_free_sp;
+ goto done;
}

ql_dbg(ql_dbg_vport, vha, 0x113f, "%s hndl %x submitted\n",
@@ -962,16 +962,13 @@ int qla24xx_control_vp(scsi_qla_host_t *vha, int cmd)
case QLA_SUCCESS:
ql_dbg(ql_dbg_vport, vha, 0xffff, "%s: %s done.\n",
__func__, sp->name);
- goto done_free_sp;
+ break;
default:
ql_dbg(ql_dbg_vport, vha, 0xffff, "%s: %s Failed. %x.\n",
__func__, sp->name, rval);
- goto done_free_sp;
+ break;
}
done:
- return rval;
-
-done_free_sp:
sp->free(sp);
return rval;
}
diff --git a/drivers/scsi/qla2xxx/qla_os.c b/drivers/scsi/qla2xxx/qla_os.c
index 183bfda8f5d1..bb20a4a228cf 100644
--- a/drivers/scsi/qla2xxx/qla_os.c
+++ b/drivers/scsi/qla2xxx/qla_os.c
@@ -1029,7 +1029,7 @@ qla2xxx_mqueuecommand(struct Scsi_Host *host, struct scsi_cmnd *cmd,
ql_dbg(ql_dbg_io + ql_dbg_verbose, vha, 0x3078,
"Start scsi failed rval=%d for cmd=%p.\n", rval, cmd);
if (rval == QLA_INTERFACE_ERROR)
- goto qc24_fail_command;
+ goto qc24_free_sp_fail_command;
goto qc24_host_busy_free_sp;
}

@@ -1044,6 +1044,11 @@ qla2xxx_mqueuecommand(struct Scsi_Host *host, struct scsi_cmnd *cmd,
qc24_target_busy:
return SCSI_MLQUEUE_TARGET_BUSY;

+qc24_free_sp_fail_command:
+ sp->free(sp);
+ CMD_SP(cmd) = NULL;
+ qla2xxx_rel_qpair_sp(sp->qpair, sp);
+
qc24_fail_command:
cmd->scsi_done(cmd);

diff --git a/drivers/scsi/qla2xxx/qla_target.c b/drivers/scsi/qla2xxx/qla_target.c
index 078d12453324..210ce294038d 100644
--- a/drivers/scsi/qla2xxx/qla_target.c
+++ b/drivers/scsi/qla2xxx/qla_target.c
@@ -6062,7 +6062,6 @@ static void qlt_abort_work(struct qla_tgt *tgt,
struct qla_hw_data *ha = vha->hw;
struct fc_port *sess = NULL;
unsigned long flags = 0, flags2 = 0;
- uint32_t be_s_id;
uint8_t s_id[3];
int rc;

@@ -6075,8 +6074,7 @@ static void qlt_abort_work(struct qla_tgt *tgt,
s_id[1] = prm->abts.fcp_hdr_le.s_id[1];
s_id[2] = prm->abts.fcp_hdr_le.s_id[0];

- sess = ha->tgt.tgt_ops->find_sess_by_s_id(vha,
- (unsigned char *)&be_s_id);
+ sess = ha->tgt.tgt_ops->find_sess_by_s_id(vha, s_id);
if (!sess) {
spin_unlock_irqrestore(&ha->tgt.sess_lock, flags2);

@@ -6545,7 +6543,8 @@ qlt_enable_vha(struct scsi_qla_host *vha)
} else {
set_bit(ISP_ABORT_NEEDED, &base_vha->dpc_flags);
qla2xxx_wake_dpc(base_vha);
- qla2x00_wait_for_hba_online(base_vha);
+ WARN_ON_ONCE(qla2x00_wait_for_hba_online(base_vha) !=
+ QLA_SUCCESS);
}
}
EXPORT_SYMBOL(qlt_enable_vha);
@@ -6575,7 +6574,9 @@ static void qlt_disable_vha(struct scsi_qla_host *vha)

set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
qla2xxx_wake_dpc(vha);
- qla2x00_wait_for_hba_online(vha);
+ if (qla2x00_wait_for_hba_online(vha) != QLA_SUCCESS)
+ ql_dbg(ql_dbg_tgt, vha, 0xe081,
+ "qla2x00_wait_for_hba_online() failed\n");
}

/*
diff --git a/drivers/scsi/zorro_esp.c b/drivers/scsi/zorro_esp.c
index be79127db594..6a5b547eae59 100644
--- a/drivers/scsi/zorro_esp.c
+++ b/drivers/scsi/zorro_esp.c
@@ -245,7 +245,14 @@ static int fastlane_esp_irq_pending(struct esp *esp)
static u32 zorro_esp_dma_length_limit(struct esp *esp, u32 dma_addr,
u32 dma_len)
{
- return dma_len > 0xFFFF ? 0xFFFF : dma_len;
+ return dma_len > (1U << 16) ? (1U << 16) : dma_len;
+}
+
+static u32 fastlane_esp_dma_length_limit(struct esp *esp, u32 dma_addr,
+ u32 dma_len)
+{
+ /* The old driver used 0xfffc as limit, so do that here too */
+ return dma_len > 0xfffc ? 0xfffc : dma_len;
}

static void zorro_esp_reset_dma(struct esp *esp)
@@ -818,7 +825,7 @@ static const struct esp_driver_ops fastlane_esp_ops = {
.unmap_single = zorro_esp_unmap_single,
.unmap_sg = zorro_esp_unmap_sg,
.irq_pending = fastlane_esp_irq_pending,
- .dma_length_limit = zorro_esp_dma_length_limit,
+ .dma_length_limit = fastlane_esp_dma_length_limit,
.reset_dma = zorro_esp_reset_dma,
.dma_drain = zorro_esp_dma_drain,
.dma_invalidate = fastlane_esp_dma_invalidate,
diff --git a/drivers/staging/erofs/xattr.c b/drivers/staging/erofs/xattr.c
index 2db99cff3c99..d48687ca2199 100644
--- a/drivers/staging/erofs/xattr.c
+++ b/drivers/staging/erofs/xattr.c
@@ -638,6 +638,8 @@ ssize_t erofs_listxattr(struct dentry *dentry,
struct listxattr_iter it;

ret = init_inode_xattrs(d_inode(dentry));
+ if (ret == -ENOATTR)
+ return 0;
if (ret)
return ret;

diff --git a/drivers/staging/rtl8188eu/os_dep/usb_intf.c b/drivers/staging/rtl8188eu/os_dep/usb_intf.c
index 8ef7b44b6abc..55952dd88359 100644
--- a/drivers/staging/rtl8188eu/os_dep/usb_intf.c
+++ b/drivers/staging/rtl8188eu/os_dep/usb_intf.c
@@ -70,7 +70,7 @@ static struct dvobj_priv *usb_dvobj_init(struct usb_interface *usb_intf)
phost_conf = pusbd->actconfig;
pconf_desc = &phost_conf->desc;

- phost_iface = &usb_intf->altsetting[0];
+ phost_iface = usb_intf->cur_altsetting;
piface_desc = &phost_iface->desc;

pdvobjpriv->NumInterfaces = pconf_desc->bNumInterfaces;
diff --git a/drivers/staging/rtl8712/usb_intf.c b/drivers/staging/rtl8712/usb_intf.c
index 85eadddfaf06..5e2cdc25401b 100644
--- a/drivers/staging/rtl8712/usb_intf.c
+++ b/drivers/staging/rtl8712/usb_intf.c
@@ -275,7 +275,7 @@ static uint r8712_usb_dvobj_init(struct _adapter *padapter)

pdvobjpriv->padapter = padapter;
padapter->EepromAddressSize = 6;
- phost_iface = &pintf->altsetting[0];
+ phost_iface = pintf->cur_altsetting;
piface_desc = &phost_iface->desc;
pdvobjpriv->nr_endpoint = piface_desc->bNumEndpoints;
if (pusbd->speed == USB_SPEED_HIGH) {
diff --git a/drivers/usb/atm/ueagle-atm.c b/drivers/usb/atm/ueagle-atm.c
index 2754b4ce7136..60e292ce04f7 100644
--- a/drivers/usb/atm/ueagle-atm.c
+++ b/drivers/usb/atm/ueagle-atm.c
@@ -2168,10 +2168,11 @@ static void uea_intr(struct urb *urb)
/*
* Start the modem : init the data and start kernel thread
*/
-static int uea_boot(struct uea_softc *sc)
+static int uea_boot(struct uea_softc *sc, struct usb_interface *intf)
{
- int ret, size;
struct intr_pkt *intr;
+ int ret = -ENOMEM;
+ int size;

uea_enters(INS_TO_USBDEV(sc));

@@ -2196,6 +2197,11 @@ static int uea_boot(struct uea_softc *sc)
if (UEA_CHIP_VERSION(sc) == ADI930)
load_XILINX_firmware(sc);

+ if (intf->cur_altsetting->desc.bNumEndpoints < 1) {
+ ret = -ENODEV;
+ goto err0;
+ }
+
intr = kmalloc(size, GFP_KERNEL);
if (!intr)
goto err0;
@@ -2207,8 +2213,7 @@ static int uea_boot(struct uea_softc *sc)
usb_fill_int_urb(sc->urb_int, sc->usb_dev,
usb_rcvintpipe(sc->usb_dev, UEA_INTR_PIPE),
intr, size, uea_intr, sc,
- sc->usb_dev->actconfig->interface[0]->altsetting[0].
- endpoint[0].desc.bInterval);
+ intf->cur_altsetting->endpoint[0].desc.bInterval);

ret = usb_submit_urb(sc->urb_int, GFP_KERNEL);
if (ret < 0) {
@@ -2223,6 +2228,7 @@ static int uea_boot(struct uea_softc *sc)
sc->kthread = kthread_create(uea_kthread, sc, "ueagle-atm");
if (IS_ERR(sc->kthread)) {
uea_err(INS_TO_USBDEV(sc), "failed to create thread\n");
+ ret = PTR_ERR(sc->kthread);
goto err2;
}

@@ -2237,7 +2243,7 @@ static int uea_boot(struct uea_softc *sc)
kfree(intr);
err0:
uea_leaves(INS_TO_USBDEV(sc));
- return -ENOMEM;
+ return ret;
}

/*
@@ -2598,7 +2604,7 @@ static int uea_bind(struct usbatm_data *usbatm, struct usb_interface *intf,
if (ret < 0)
goto error;

- ret = uea_boot(sc);
+ ret = uea_boot(sc, intf);
if (ret < 0)
goto error_rm_grp;

diff --git a/drivers/usb/core/hub.c b/drivers/usb/core/hub.c
index d5fbd36cf462..b33ec768404b 100644
--- a/drivers/usb/core/hub.c
+++ b/drivers/usb/core/hub.c
@@ -5740,7 +5740,7 @@ static int usb_reset_and_verify_device(struct usb_device *udev)

/**
* usb_reset_device - warn interface drivers and perform a USB port reset
- * @udev: device to reset (not in SUSPENDED or NOTATTACHED state)
+ * @udev: device to reset (not in NOTATTACHED state)
*
* Warns all drivers bound to registered interfaces (using their pre_reset
* method), performs the port reset, and then lets the drivers know that
@@ -5768,8 +5768,7 @@ int usb_reset_device(struct usb_device *udev)
struct usb_host_config *config = udev->actconfig;
struct usb_hub *hub = usb_hub_to_struct_hub(udev->parent);

- if (udev->state == USB_STATE_NOTATTACHED ||
- udev->state == USB_STATE_SUSPENDED) {
+ if (udev->state == USB_STATE_NOTATTACHED) {
dev_dbg(&udev->dev, "device reset not allowed in state %d\n",
udev->state);
return -EINVAL;
diff --git a/drivers/usb/core/urb.c b/drivers/usb/core/urb.c
index f51750bcd152..5e844097a9e3 100644
--- a/drivers/usb/core/urb.c
+++ b/drivers/usb/core/urb.c
@@ -45,6 +45,7 @@ void usb_init_urb(struct urb *urb)
if (urb) {
memset(urb, 0, sizeof(*urb));
kref_init(&urb->kref);
+ INIT_LIST_HEAD(&urb->urb_list);
INIT_LIST_HEAD(&urb->anchor_list);
}
}
diff --git a/drivers/usb/dwc3/dwc3-pci.c b/drivers/usb/dwc3/dwc3-pci.c
index b4e42d597211..8fa39e664940 100644
--- a/drivers/usb/dwc3/dwc3-pci.c
+++ b/drivers/usb/dwc3/dwc3-pci.c
@@ -29,7 +29,8 @@
#define PCI_DEVICE_ID_INTEL_BXT_M 0x1aaa
#define PCI_DEVICE_ID_INTEL_APL 0x5aaa
#define PCI_DEVICE_ID_INTEL_KBP 0xa2b0
-#define PCI_DEVICE_ID_INTEL_CMLH 0x02ee
+#define PCI_DEVICE_ID_INTEL_CMLLP 0x02ee
+#define PCI_DEVICE_ID_INTEL_CMLH 0x06ee
#define PCI_DEVICE_ID_INTEL_GLK 0x31aa
#define PCI_DEVICE_ID_INTEL_CNPLP 0x9dee
#define PCI_DEVICE_ID_INTEL_CNPH 0xa36e
@@ -306,6 +307,9 @@ static const struct pci_device_id dwc3_pci_id_table[] = {
{ PCI_VDEVICE(INTEL, PCI_DEVICE_ID_INTEL_MRFLD),
(kernel_ulong_t) &dwc3_pci_mrfld_properties, },

+ { PCI_VDEVICE(INTEL, PCI_DEVICE_ID_INTEL_CMLLP),
+ (kernel_ulong_t) &dwc3_pci_intel_properties, },
+
{ PCI_VDEVICE(INTEL, PCI_DEVICE_ID_INTEL_CMLH),
(kernel_ulong_t) &dwc3_pci_intel_properties, },

diff --git a/drivers/usb/dwc3/ep0.c b/drivers/usb/dwc3/ep0.c
index 8efde178eef4..2fb02f877401 100644
--- a/drivers/usb/dwc3/ep0.c
+++ b/drivers/usb/dwc3/ep0.c
@@ -1110,6 +1110,9 @@ static void dwc3_ep0_xfernotready(struct dwc3 *dwc,
void dwc3_ep0_interrupt(struct dwc3 *dwc,
const struct dwc3_event_depevt *event)
{
+ struct dwc3_ep *dep = dwc->eps[event->endpoint_number];
+ u8 cmd;
+
switch (event->endpoint_event) {
case DWC3_DEPEVT_XFERCOMPLETE:
dwc3_ep0_xfer_complete(dwc, event);
@@ -1122,7 +1125,12 @@ void dwc3_ep0_interrupt(struct dwc3 *dwc,
case DWC3_DEPEVT_XFERINPROGRESS:
case DWC3_DEPEVT_RXTXFIFOEVT:
case DWC3_DEPEVT_STREAMEVT:
+ break;
case DWC3_DEPEVT_EPCMDCMPLT:
+ cmd = DEPEVT_PARAMETER_CMD(event->parameters);
+
+ if (cmd == DWC3_DEPCMD_ENDTRANSFER)
+ dep->flags &= ~DWC3_EP_TRANSFER_STARTED;
break;
}
}
diff --git a/drivers/usb/dwc3/gadget.c b/drivers/usb/dwc3/gadget.c
index 3e04004b4f1b..3a24230bb89a 100644
--- a/drivers/usb/dwc3/gadget.c
+++ b/drivers/usb/dwc3/gadget.c
@@ -2295,7 +2295,7 @@ static int dwc3_gadget_ep_cleanup_completed_request(struct dwc3_ep *dep,

req->request.actual = req->request.length - req->remaining;

- if (!dwc3_gadget_ep_request_completed(req) &&
+ if (!dwc3_gadget_ep_request_completed(req) ||
req->num_pending_sgs) {
__dwc3_gadget_kick_transfer(dep);
goto out;
diff --git a/drivers/usb/gadget/configfs.c b/drivers/usb/gadget/configfs.c
index 33852c2b29d1..ab9ac48a751a 100644
--- a/drivers/usb/gadget/configfs.c
+++ b/drivers/usb/gadget/configfs.c
@@ -1544,6 +1544,7 @@ static struct config_group *gadgets_make(
gi->composite.resume = NULL;
gi->composite.max_speed = USB_SPEED_SUPER;

+ spin_lock_init(&gi->spinlock);
mutex_init(&gi->lock);
INIT_LIST_HEAD(&gi->string_list);
INIT_LIST_HEAD(&gi->available_func);
diff --git a/drivers/usb/gadget/udc/pch_udc.c b/drivers/usb/gadget/udc/pch_udc.c
index afaea11ec771..991184b8bb41 100644
--- a/drivers/usb/gadget/udc/pch_udc.c
+++ b/drivers/usb/gadget/udc/pch_udc.c
@@ -1520,7 +1520,6 @@ static void pch_udc_free_dma_chain(struct pch_udc_dev *dev,
td = phys_to_virt(addr);
addr2 = (dma_addr_t)td->next;
dma_pool_free(dev->data_requests, td, addr);
- td->next = 0x00;
addr = addr2;
}
req->chain_len = 1;
diff --git a/drivers/usb/host/xhci-hub.c b/drivers/usb/host/xhci-hub.c
index 333f9202ec8b..02843c16f9c7 100644
--- a/drivers/usb/host/xhci-hub.c
+++ b/drivers/usb/host/xhci-hub.c
@@ -831,7 +831,7 @@ static u32 xhci_get_ext_port_status(u32 raw_port_status, u32 port_li)
static u32 xhci_get_port_status(struct usb_hcd *hcd,
struct xhci_bus_state *bus_state,
u16 wIndex, u32 raw_port_status,
- unsigned long flags)
+ unsigned long *flags)
__releases(&xhci->lock)
__acquires(&xhci->lock)
{
@@ -917,12 +917,12 @@ static u32 xhci_get_port_status(struct usb_hcd *hcd,
xhci_test_and_clear_bit(xhci, port, PORT_PLC);
xhci_set_link_state(xhci, port, XDEV_U0);

- spin_unlock_irqrestore(&xhci->lock, flags);
+ spin_unlock_irqrestore(&xhci->lock, *flags);
time_left = wait_for_completion_timeout(
&bus_state->rexit_done[wIndex],
msecs_to_jiffies(
XHCI_MAX_REXIT_TIMEOUT_MS));
- spin_lock_irqsave(&xhci->lock, flags);
+ spin_lock_irqsave(&xhci->lock, *flags);

if (time_left) {
slot_id = xhci_find_slot_id_by_port(hcd,
@@ -1076,7 +1076,7 @@ int xhci_hub_control(struct usb_hcd *hcd, u16 typeReq, u16 wValue,
}
trace_xhci_get_port_status(wIndex, temp);
status = xhci_get_port_status(hcd, bus_state, wIndex, temp,
- flags);
+ &flags);
if (status == 0xffffffff)
goto error;

diff --git a/drivers/usb/host/xhci-mem.c b/drivers/usb/host/xhci-mem.c
index b1f27aa38b10..82ce6d8b708d 100644
--- a/drivers/usb/host/xhci-mem.c
+++ b/drivers/usb/host/xhci-mem.c
@@ -1909,13 +1909,17 @@ void xhci_mem_cleanup(struct xhci_hcd *xhci)
xhci->usb3_rhub.num_ports = 0;
xhci->num_active_eps = 0;
kfree(xhci->usb2_rhub.ports);
+ kfree(xhci->usb2_rhub.psi);
kfree(xhci->usb3_rhub.ports);
+ kfree(xhci->usb3_rhub.psi);
kfree(xhci->hw_ports);
kfree(xhci->rh_bw);
kfree(xhci->ext_caps);

xhci->usb2_rhub.ports = NULL;
+ xhci->usb2_rhub.psi = NULL;
xhci->usb3_rhub.ports = NULL;
+ xhci->usb3_rhub.psi = NULL;
xhci->hw_ports = NULL;
xhci->rh_bw = NULL;
xhci->ext_caps = NULL;
diff --git a/drivers/usb/host/xhci-pci.c b/drivers/usb/host/xhci-pci.c
index 1493d0fdf5ad..74aeaa61f5c6 100644
--- a/drivers/usb/host/xhci-pci.c
+++ b/drivers/usb/host/xhci-pci.c
@@ -495,6 +495,18 @@ static int xhci_pci_resume(struct usb_hcd *hcd, bool hibernated)
}
#endif /* CONFIG_PM */

+static void xhci_pci_shutdown(struct usb_hcd *hcd)
+{
+ struct xhci_hcd *xhci = hcd_to_xhci(hcd);
+ struct pci_dev *pdev = to_pci_dev(hcd->self.controller);
+
+ xhci_shutdown(hcd);
+
+ /* Yet another workaround for spurious wakeups at shutdown with HSW */
+ if (xhci->quirks & XHCI_SPURIOUS_WAKEUP)
+ pci_set_power_state(pdev, PCI_D3hot);
+}
+
/*-------------------------------------------------------------------------*/

/* PCI driver selection metadata; PCI hotplugging uses this */
@@ -530,6 +542,7 @@ static int __init xhci_pci_init(void)
#ifdef CONFIG_PM
xhci_pci_hc_driver.pci_suspend = xhci_pci_suspend;
xhci_pci_hc_driver.pci_resume = xhci_pci_resume;
+ xhci_pci_hc_driver.shutdown = xhci_pci_shutdown;
#endif
return pci_register_driver(&xhci_pci_driver);
}
diff --git a/drivers/usb/host/xhci-ring.c b/drivers/usb/host/xhci-ring.c
index 9d79824ab5b6..b03974958a28 100644
--- a/drivers/usb/host/xhci-ring.c
+++ b/drivers/usb/host/xhci-ring.c
@@ -2330,7 +2330,8 @@ static int handle_tx_event(struct xhci_hcd *xhci,
case COMP_SUCCESS:
if (EVENT_TRB_LEN(le32_to_cpu(event->transfer_len)) == 0)
break;
- if (xhci->quirks & XHCI_TRUST_TX_LENGTH)
+ if (xhci->quirks & XHCI_TRUST_TX_LENGTH ||
+ ep_ring->last_td_was_short)
trb_comp_code = COMP_SHORT_PACKET;
else
xhci_warn_ratelimited(xhci,
diff --git a/drivers/usb/host/xhci.c b/drivers/usb/host/xhci.c
index 36865d50171f..65cc362717fc 100644
--- a/drivers/usb/host/xhci.c
+++ b/drivers/usb/host/xhci.c
@@ -769,7 +769,7 @@ static void xhci_stop(struct usb_hcd *hcd)
*
* This will only ever be called with the main usb_hcd (the USB3 roothub).
*/
-static void xhci_shutdown(struct usb_hcd *hcd)
+void xhci_shutdown(struct usb_hcd *hcd)
{
struct xhci_hcd *xhci = hcd_to_xhci(hcd);

@@ -788,11 +788,8 @@ static void xhci_shutdown(struct usb_hcd *hcd)
xhci_dbg_trace(xhci, trace_xhci_dbg_init,
"xhci_shutdown completed - status = %x",
readl(&xhci->op_regs->status));
-
- /* Yet another workaround for spurious wakeups at shutdown with HSW */
- if (xhci->quirks & XHCI_SPURIOUS_WAKEUP)
- pci_set_power_state(to_pci_dev(hcd->self.sysdev), PCI_D3hot);
}
+EXPORT_SYMBOL_GPL(xhci_shutdown);

#ifdef CONFIG_PM
static void xhci_save_registers(struct xhci_hcd *xhci)
@@ -963,7 +960,7 @@ static bool xhci_pending_portevent(struct xhci_hcd *xhci)
int xhci_suspend(struct xhci_hcd *xhci, bool do_wakeup)
{
int rc = 0;
- unsigned int delay = XHCI_MAX_HALT_USEC;
+ unsigned int delay = XHCI_MAX_HALT_USEC * 2;
struct usb_hcd *hcd = xhci_to_hcd(xhci);
u32 command;
u32 res;
diff --git a/drivers/usb/host/xhci.h b/drivers/usb/host/xhci.h
index 761b341d27b0..9b33031cf6fc 100644
--- a/drivers/usb/host/xhci.h
+++ b/drivers/usb/host/xhci.h
@@ -2052,6 +2052,7 @@ int xhci_start(struct xhci_hcd *xhci);
int xhci_reset(struct xhci_hcd *xhci);
int xhci_run(struct usb_hcd *hcd);
int xhci_gen_setup(struct usb_hcd *hcd, xhci_get_quirks_t get_quirks);
+void xhci_shutdown(struct usb_hcd *hcd);
void xhci_init_driver(struct hc_driver *drv,
const struct xhci_driver_overrides *over);
int xhci_disable_slot(struct xhci_hcd *xhci, u32 slot_id);
diff --git a/drivers/usb/misc/adutux.c b/drivers/usb/misc/adutux.c
index 9a51760df026..b8073f36ffdc 100644
--- a/drivers/usb/misc/adutux.c
+++ b/drivers/usb/misc/adutux.c
@@ -671,7 +671,7 @@ static int adu_probe(struct usb_interface *interface,
init_waitqueue_head(&dev->read_wait);
init_waitqueue_head(&dev->write_wait);

- res = usb_find_common_endpoints_reverse(&interface->altsetting[0],
+ res = usb_find_common_endpoints_reverse(interface->cur_altsetting,
NULL, NULL,
&dev->interrupt_in_endpoint,
&dev->interrupt_out_endpoint);
diff --git a/drivers/usb/misc/idmouse.c b/drivers/usb/misc/idmouse.c
index 20b0f91a5d9b..bb24527f3c70 100644
--- a/drivers/usb/misc/idmouse.c
+++ b/drivers/usb/misc/idmouse.c
@@ -337,7 +337,7 @@ static int idmouse_probe(struct usb_interface *interface,
int result;

/* check if we have gotten the data or the hid interface */
- iface_desc = &interface->altsetting[0];
+ iface_desc = interface->cur_altsetting;
if (iface_desc->desc.bInterfaceClass != 0x0A)
return -ENODEV;

diff --git a/drivers/usb/mon/mon_bin.c b/drivers/usb/mon/mon_bin.c
index ac2b4fcc265f..f48a23adbc35 100644
--- a/drivers/usb/mon/mon_bin.c
+++ b/drivers/usb/mon/mon_bin.c
@@ -1039,12 +1039,18 @@ static long mon_bin_ioctl(struct file *file, unsigned int cmd, unsigned long arg

mutex_lock(&rp->fetch_lock);
spin_lock_irqsave(&rp->b_lock, flags);
- mon_free_buff(rp->b_vec, rp->b_size/CHUNK_SIZE);
- kfree(rp->b_vec);
- rp->b_vec = vec;
- rp->b_size = size;
- rp->b_read = rp->b_in = rp->b_out = rp->b_cnt = 0;
- rp->cnt_lost = 0;
+ if (rp->mmap_active) {
+ mon_free_buff(vec, size/CHUNK_SIZE);
+ kfree(vec);
+ ret = -EBUSY;
+ } else {
+ mon_free_buff(rp->b_vec, rp->b_size/CHUNK_SIZE);
+ kfree(rp->b_vec);
+ rp->b_vec = vec;
+ rp->b_size = size;
+ rp->b_read = rp->b_in = rp->b_out = rp->b_cnt = 0;
+ rp->cnt_lost = 0;
+ }
spin_unlock_irqrestore(&rp->b_lock, flags);
mutex_unlock(&rp->fetch_lock);
}
@@ -1216,13 +1222,21 @@ mon_bin_poll(struct file *file, struct poll_table_struct *wait)
static void mon_bin_vma_open(struct vm_area_struct *vma)
{
struct mon_reader_bin *rp = vma->vm_private_data;
+ unsigned long flags;
+
+ spin_lock_irqsave(&rp->b_lock, flags);
rp->mmap_active++;
+ spin_unlock_irqrestore(&rp->b_lock, flags);
}

static void mon_bin_vma_close(struct vm_area_struct *vma)
{
+ unsigned long flags;
+
struct mon_reader_bin *rp = vma->vm_private_data;
+ spin_lock_irqsave(&rp->b_lock, flags);
rp->mmap_active--;
+ spin_unlock_irqrestore(&rp->b_lock, flags);
}

/*
@@ -1234,16 +1248,12 @@ static vm_fault_t mon_bin_vma_fault(struct vm_fault *vmf)
unsigned long offset, chunk_idx;
struct page *pageptr;

- mutex_lock(&rp->fetch_lock);
offset = vmf->pgoff << PAGE_SHIFT;
- if (offset >= rp->b_size) {
- mutex_unlock(&rp->fetch_lock);
+ if (offset >= rp->b_size)
return VM_FAULT_SIGBUS;
- }
chunk_idx = offset / CHUNK_SIZE;
pageptr = rp->b_vec[chunk_idx].pg;
get_page(pageptr);
- mutex_unlock(&rp->fetch_lock);
vmf->page = pageptr;
return 0;
}
diff --git a/drivers/usb/roles/class.c b/drivers/usb/roles/class.c
index 99116af07f1d..1dd492e89719 100644
--- a/drivers/usb/roles/class.c
+++ b/drivers/usb/roles/class.c
@@ -130,8 +130,8 @@ EXPORT_SYMBOL_GPL(usb_role_switch_get);
void usb_role_switch_put(struct usb_role_switch *sw)
{
if (!IS_ERR_OR_NULL(sw)) {
- put_device(&sw->dev);
module_put(sw->dev.parent->driver->owner);
+ put_device(&sw->dev);
}
}
EXPORT_SYMBOL_GPL(usb_role_switch_put);
diff --git a/drivers/usb/serial/io_edgeport.c b/drivers/usb/serial/io_edgeport.c
index 97c69d373ca6..97eb738b058f 100644
--- a/drivers/usb/serial/io_edgeport.c
+++ b/drivers/usb/serial/io_edgeport.c
@@ -2919,16 +2919,18 @@ static int edge_startup(struct usb_serial *serial)
response = 0;

if (edge_serial->is_epic) {
+ struct usb_host_interface *alt;
+
+ alt = serial->interface->cur_altsetting;
+
/* EPIC thing, set up our interrupt polling now and our read
* urb, so that the device knows it really is connected. */
interrupt_in_found = bulk_in_found = bulk_out_found = false;
- for (i = 0; i < serial->interface->altsetting[0]
- .desc.bNumEndpoints; ++i) {
+ for (i = 0; i < alt->desc.bNumEndpoints; ++i) {
struct usb_endpoint_descriptor *endpoint;
int buffer_size;

- endpoint = &serial->interface->altsetting[0].
- endpoint[i].desc;
+ endpoint = &alt->endpoint[i].desc;
buffer_size = usb_endpoint_maxp(endpoint);
if (!interrupt_in_found &&
(usb_endpoint_is_int_in(endpoint))) {
diff --git a/drivers/usb/storage/uas.c b/drivers/usb/storage/uas.c
index bad391da4b8e..1c6eb3a8741e 100644
--- a/drivers/usb/storage/uas.c
+++ b/drivers/usb/storage/uas.c
@@ -832,6 +832,10 @@ static int uas_slave_configure(struct scsi_device *sdev)
sdev->wce_default_on = 1;
}

+ /* Some disks cannot handle READ_CAPACITY_16 */
+ if (devinfo->flags & US_FL_NO_READ_CAPACITY_16)
+ sdev->no_read_capacity_16 = 1;
+
/*
* Some disks return the total number of blocks in response
* to READ CAPACITY rather than the highest block number.
@@ -840,6 +844,12 @@ static int uas_slave_configure(struct scsi_device *sdev)
if (devinfo->flags & US_FL_FIX_CAPACITY)
sdev->fix_capacity = 1;

+ /*
+ * in some cases we have to guess
+ */
+ if (devinfo->flags & US_FL_CAPACITY_HEURISTICS)
+ sdev->guess_capacity = 1;
+
/*
* Some devices don't like MODE SENSE with page=0x3f,
* which is the command used for checking if a device
diff --git a/drivers/usb/typec/class.c b/drivers/usb/typec/class.c
index 00141e05bc72..1916ee1600b4 100644
--- a/drivers/usb/typec/class.c
+++ b/drivers/usb/typec/class.c
@@ -1589,14 +1589,16 @@ struct typec_port *typec_register_port(struct device *parent,

port->sw = typec_switch_get(&port->dev);
if (IS_ERR(port->sw)) {
+ ret = PTR_ERR(port->sw);
put_device(&port->dev);
- return ERR_CAST(port->sw);
+ return ERR_PTR(ret);
}

port->mux = typec_mux_get(&port->dev, "typec-mux");
if (IS_ERR(port->mux)) {
+ ret = PTR_ERR(port->mux);
put_device(&port->dev);
- return ERR_CAST(port->mux);
+ return ERR_PTR(ret);
}

ret = device_add(&port->dev);
diff --git a/drivers/video/hdmi.c b/drivers/video/hdmi.c
index 8a3e8f61b991..164564b45b66 100644
--- a/drivers/video/hdmi.c
+++ b/drivers/video/hdmi.c
@@ -1039,12 +1039,12 @@ static int hdmi_avi_infoframe_unpack(struct hdmi_avi_infoframe *frame,
if (ptr[0] & 0x10)
frame->active_aspect = ptr[1] & 0xf;
if (ptr[0] & 0x8) {
- frame->top_bar = (ptr[5] << 8) + ptr[6];
- frame->bottom_bar = (ptr[7] << 8) + ptr[8];
+ frame->top_bar = (ptr[6] << 8) | ptr[5];
+ frame->bottom_bar = (ptr[8] << 8) | ptr[7];
}
if (ptr[0] & 0x4) {
- frame->left_bar = (ptr[9] << 8) + ptr[10];
- frame->right_bar = (ptr[11] << 8) + ptr[12];
+ frame->left_bar = (ptr[10] << 8) | ptr[9];
+ frame->right_bar = (ptr[12] << 8) | ptr[11];
}
frame->scan_mode = ptr[0] & 0x3;

diff --git a/drivers/virtio/virtio_balloon.c b/drivers/virtio/virtio_balloon.c
index d1c1f6283729..14ac36ca8fbd 100644
--- a/drivers/virtio/virtio_balloon.c
+++ b/drivers/virtio/virtio_balloon.c
@@ -468,6 +468,17 @@ static int virtballoon_migratepage(struct balloon_dev_info *vb_dev_info,

get_page(newpage); /* balloon reference */

+ /*
+ * When we migrate a page to a different zone and adjusted the
+ * managed page count when inflating, we have to fixup the count of
+ * both involved zones.
+ */
+ if (!virtio_has_feature(vb->vdev, VIRTIO_BALLOON_F_DEFLATE_ON_OOM) &&
+ page_zone(page) != page_zone(newpage)) {
+ adjust_managed_page_count(page, 1);
+ adjust_managed_page_count(newpage, -1);
+ }
+
/* balloon's page migration 1st step -- inflate "newpage" */
spin_lock_irqsave(&vb_dev_info->pages_lock, flags);
balloon_page_insert(vb_dev_info, newpage);
diff --git a/drivers/xen/pvcalls-front.c b/drivers/xen/pvcalls-front.c
index 3a144eecb6a7..d7438fdc5706 100644
--- a/drivers/xen/pvcalls-front.c
+++ b/drivers/xen/pvcalls-front.c
@@ -504,8 +504,10 @@ static int __write_ring(struct pvcalls_data_intf *intf,
virt_mb();

size = pvcalls_queued(prod, cons, array_size);
- if (size >= array_size)
+ if (size > array_size)
return -EINVAL;
+ if (size == array_size)
+ return 0;
if (len > array_size - size)
len = array_size - size;

diff --git a/fs/btrfs/delayed-inode.c b/fs/btrfs/delayed-inode.c
index f51b509f2d9b..e9522f2f25cc 100644
--- a/fs/btrfs/delayed-inode.c
+++ b/fs/btrfs/delayed-inode.c
@@ -1939,12 +1939,19 @@ void btrfs_kill_all_delayed_nodes(struct btrfs_root *root)
}

inode_id = delayed_nodes[n - 1]->inode_id + 1;
-
- for (i = 0; i < n; i++)
- refcount_inc(&delayed_nodes[i]->refs);
+ for (i = 0; i < n; i++) {
+ /*
+ * Don't increase refs in case the node is dead and
+ * about to be removed from the tree in the loop below
+ */
+ if (!refcount_inc_not_zero(&delayed_nodes[i]->refs))
+ delayed_nodes[i] = NULL;
+ }
spin_unlock(&root->inode_lock);

for (i = 0; i < n; i++) {
+ if (!delayed_nodes[i])
+ continue;
__btrfs_kill_delayed_node(delayed_nodes[i]);
btrfs_release_delayed_node(delayed_nodes[i]);
}
diff --git a/fs/btrfs/extent_io.c b/fs/btrfs/extent_io.c
index cb598eb4f3bd..88fc5a0c573f 100644
--- a/fs/btrfs/extent_io.c
+++ b/fs/btrfs/extent_io.c
@@ -3956,7 +3956,7 @@ static int extent_write_cache_pages(struct address_space *mapping,
for (i = 0; i < nr_pages; i++) {
struct page *page = pvec.pages[i];

- done_index = page->index;
+ done_index = page->index + 1;
/*
* At this point we hold neither the i_pages lock nor
* the page lock: the page may be truncated or
@@ -3993,16 +3993,6 @@ static int extent_write_cache_pages(struct address_space *mapping,
ret = 0;
}
if (ret < 0) {
- /*
- * done_index is set past this page,
- * so media errors will not choke
- * background writeout for the entire
- * file. This has consequences for
- * range_cyclic semantics (ie. it may
- * not be suitable for data integrity
- * writeout).
- */
- done_index = page->index + 1;
done = 1;
break;
}
diff --git a/fs/btrfs/file.c b/fs/btrfs/file.c
index a456801e0cd5..d9d90f0b66d2 100644
--- a/fs/btrfs/file.c
+++ b/fs/btrfs/file.c
@@ -1636,6 +1636,7 @@ static noinline ssize_t btrfs_buffered_write(struct kiocb *iocb,
break;
}

+ only_release_metadata = false;
sector_offset = pos & (fs_info->sectorsize - 1);
reserve_bytes = round_up(write_bytes + sector_offset,
fs_info->sectorsize);
@@ -1791,7 +1792,6 @@ static noinline ssize_t btrfs_buffered_write(struct kiocb *iocb,
set_extent_bit(&BTRFS_I(inode)->io_tree, lockstart,
lockend, EXTENT_NORESERVE, NULL,
NULL, GFP_NOFS);
- only_release_metadata = false;
}

btrfs_drop_pages(pages, num_pages);
diff --git a/fs/btrfs/free-space-cache.c b/fs/btrfs/free-space-cache.c
index ec01bd38d675..c9965e89097f 100644
--- a/fs/btrfs/free-space-cache.c
+++ b/fs/btrfs/free-space-cache.c
@@ -382,6 +382,12 @@ static int io_ctl_prepare_pages(struct btrfs_io_ctl *io_ctl, struct inode *inode
if (uptodate && !PageUptodate(page)) {
btrfs_readpage(NULL, page);
lock_page(page);
+ if (page->mapping != inode->i_mapping) {
+ btrfs_err(BTRFS_I(inode)->root->fs_info,
+ "free space cache page truncated");
+ io_ctl_drop_pages(io_ctl);
+ return -EIO;
+ }
if (!PageUptodate(page)) {
btrfs_err(BTRFS_I(inode)->root->fs_info,
"error reading free space cache");
diff --git a/fs/btrfs/inode.c b/fs/btrfs/inode.c
index 6f4598583f57..7fd4458cf0a7 100644
--- a/fs/btrfs/inode.c
+++ b/fs/btrfs/inode.c
@@ -2161,12 +2161,16 @@ static void btrfs_writepage_fixup_worker(struct btrfs_work *work)
mapping_set_error(page->mapping, ret);
end_extent_writepage(page, ret, page_start, page_end);
ClearPageChecked(page);
- goto out;
+ goto out_reserved;
}

ClearPageChecked(page);
set_page_dirty(page);
+out_reserved:
btrfs_delalloc_release_extents(BTRFS_I(inode), PAGE_SIZE);
+ if (ret)
+ btrfs_delalloc_release_space(inode, data_reserved, page_start,
+ PAGE_SIZE, true);
out:
unlock_extent_cached(&BTRFS_I(inode)->io_tree, page_start, page_end,
&cached_state);
@@ -9506,6 +9510,9 @@ static int btrfs_rename_exchange(struct inode *old_dir,
goto out_notrans;
}

+ if (dest != root)
+ btrfs_record_root_in_trans(trans, dest);
+
/*
* We need to find a free sequence number both in the source and
* in the destination directory for the exchange.
diff --git a/fs/btrfs/send.c b/fs/btrfs/send.c
index 48ddbc187e58..10532463e92a 100644
--- a/fs/btrfs/send.c
+++ b/fs/btrfs/send.c
@@ -24,6 +24,14 @@
#include "transaction.h"
#include "compression.h"

+/*
+ * Maximum number of references an extent can have in order for us to attempt to
+ * issue clone operations instead of write operations. This currently exists to
+ * avoid hitting limitations of the backreference walking code (taking a lot of
+ * time and using too much memory for extents with large number of references).
+ */
+#define SEND_MAX_EXTENT_REFS 64
+
/*
* A fs_path is a helper to dynamically build path names with unknown size.
* It reallocates the internal buffer on demand.
@@ -1303,6 +1311,7 @@ static int find_extent_clone(struct send_ctx *sctx,
struct clone_root *cur_clone_root;
struct btrfs_key found_key;
struct btrfs_path *tmp_path;
+ struct btrfs_extent_item *ei;
int compressed;
u32 i;

@@ -1352,7 +1361,6 @@ static int find_extent_clone(struct send_ctx *sctx,
ret = extent_from_logical(fs_info, disk_byte, tmp_path,
&found_key, &flags);
up_read(&fs_info->commit_root_sem);
- btrfs_release_path(tmp_path);

if (ret < 0)
goto out;
@@ -1361,6 +1369,21 @@ static int find_extent_clone(struct send_ctx *sctx,
goto out;
}

+ ei = btrfs_item_ptr(tmp_path->nodes[0], tmp_path->slots[0],
+ struct btrfs_extent_item);
+ /*
+ * Backreference walking (iterate_extent_inodes() below) is currently
+ * too expensive when an extent has a large number of references, both
+ * in time spent and used memory. So for now just fallback to write
+ * operations instead of clone operations when an extent has more than
+ * a certain amount of references.
+ */
+ if (btrfs_extent_refs(tmp_path->nodes[0], ei) > SEND_MAX_EXTENT_REFS) {
+ ret = -ENOENT;
+ goto out;
+ }
+ btrfs_release_path(tmp_path);
+
/*
* Setup the clone roots.
*/
diff --git a/fs/btrfs/volumes.h b/fs/btrfs/volumes.h
index c0e3015b1bac..ac703b15d679 100644
--- a/fs/btrfs/volumes.h
+++ b/fs/btrfs/volumes.h
@@ -304,7 +304,6 @@ struct btrfs_bio {
u64 map_type; /* get from map_lookup->type */
bio_end_io_t *end_io;
struct bio *orig_bio;
- unsigned long flags;
void *private;
atomic_t error;
int max_errors;
diff --git a/fs/cifs/smb2pdu.c b/fs/cifs/smb2pdu.c
index 9194f17675c8..4563699bbe6c 100644
--- a/fs/cifs/smb2pdu.c
+++ b/fs/cifs/smb2pdu.c
@@ -168,7 +168,7 @@ smb2_reconnect(__le16 smb2_command, struct cifs_tcon *tcon)
if (tcon == NULL)
return 0;

- if (smb2_command == SMB2_TREE_CONNECT || smb2_command == SMB2_IOCTL)
+ if (smb2_command == SMB2_TREE_CONNECT)
return 0;

if (tcon->tidStatus == CifsExiting) {
@@ -335,16 +335,9 @@ fill_small_buf(__le16 smb2_command, struct cifs_tcon *tcon, void *buf,
* SMB information in the SMB header. If the return code is zero, this
* function must have filled in request_buf pointer.
*/
-static int
-smb2_plain_req_init(__le16 smb2_command, struct cifs_tcon *tcon,
- void **request_buf, unsigned int *total_len)
+static int __smb2_plain_req_init(__le16 smb2_command, struct cifs_tcon *tcon,
+ void **request_buf, unsigned int *total_len)
{
- int rc;
-
- rc = smb2_reconnect(smb2_command, tcon);
- if (rc)
- return rc;
-
/* BB eventually switch this to SMB2 specific small buf size */
if (smb2_command == SMB2_SET_INFO)
*request_buf = cifs_buf_get();
@@ -365,7 +358,31 @@ smb2_plain_req_init(__le16 smb2_command, struct cifs_tcon *tcon,
cifs_stats_inc(&tcon->num_smbs_sent);
}

- return rc;
+ return 0;
+}
+
+static int smb2_plain_req_init(__le16 smb2_command, struct cifs_tcon *tcon,
+ void **request_buf, unsigned int *total_len)
+{
+ int rc;
+
+ rc = smb2_reconnect(smb2_command, tcon);
+ if (rc)
+ return rc;
+
+ return __smb2_plain_req_init(smb2_command, tcon, request_buf,
+ total_len);
+}
+
+static int smb2_ioctl_req_init(u32 opcode, struct cifs_tcon *tcon,
+ void **request_buf, unsigned int *total_len)
+{
+ /* Skip reconnect only for FSCTL_VALIDATE_NEGOTIATE_INFO IOCTLs */
+ if (opcode == FSCTL_VALIDATE_NEGOTIATE_INFO) {
+ return __smb2_plain_req_init(SMB2_IOCTL, tcon, request_buf,
+ total_len);
+ }
+ return smb2_plain_req_init(SMB2_IOCTL, tcon, request_buf, total_len);
}

@@ -2386,7 +2403,7 @@ SMB2_ioctl(const unsigned int xid, struct cifs_tcon *tcon, u64 persistent_fid,
if (!ses || !(ses->server))
return -EIO;

- rc = smb2_plain_req_init(SMB2_IOCTL, tcon, (void **) &req, &total_len);
+ rc = smb2_ioctl_req_init(opcode, tcon, (void **) &req, &total_len);
if (rc)
return rc;

diff --git a/fs/ext2/inode.c b/fs/ext2/inode.c
index e4bb9386c045..36a2ab6f6150 100644
--- a/fs/ext2/inode.c
+++ b/fs/ext2/inode.c
@@ -699,10 +699,13 @@ static int ext2_get_blocks(struct inode *inode,
if (!partial) {
count++;
mutex_unlock(&ei->truncate_mutex);
- if (err)
- goto cleanup;
goto got_it;
}
+
+ if (err) {
+ mutex_unlock(&ei->truncate_mutex);
+ goto cleanup;
+ }
}

/*
diff --git a/fs/ext4/inode.c b/fs/ext4/inode.c
index f8a0af11a31e..ab16b7c6068c 100644
--- a/fs/ext4/inode.c
+++ b/fs/ext4/inode.c
@@ -196,7 +196,12 @@ void ext4_evict_inode(struct inode *inode)
{
handle_t *handle;
int err;
- int extra_credits = 3;
+ /*
+ * Credits for final inode cleanup and freeing:
+ * sb + inode (ext4_orphan_del()), block bitmap, group descriptor
+ * (xattr block freeing), bitmap, group descriptor (inode freeing)
+ */
+ int extra_credits = 6;
struct ext4_xattr_inode_array *ea_inode_array = NULL;

trace_ext4_evict_inode(inode);
@@ -252,8 +257,12 @@ void ext4_evict_inode(struct inode *inode)
if (!IS_NOQUOTA(inode))
extra_credits += EXT4_MAXQUOTAS_DEL_BLOCKS(inode->i_sb);

+ /*
+ * Block bitmap, group descriptor, and inode are accounted in both
+ * ext4_blocks_for_truncate() and extra_credits. So subtract 3.
+ */
handle = ext4_journal_start(inode, EXT4_HT_TRUNCATE,
- ext4_blocks_for_truncate(inode)+extra_credits);
+ ext4_blocks_for_truncate(inode) + extra_credits - 3);
if (IS_ERR(handle)) {
ext4_std_error(inode->i_sb, PTR_ERR(handle));
/*
@@ -5450,11 +5459,15 @@ static void ext4_wait_for_tail_page_commit(struct inode *inode)

offset = inode->i_size & (PAGE_SIZE - 1);
/*
- * All buffers in the last page remain valid? Then there's nothing to
- * do. We do the check mainly to optimize the common PAGE_SIZE ==
- * blocksize case
+ * If the page is fully truncated, we don't need to wait for any commit
+ * (and we even should not as __ext4_journalled_invalidatepage() may
+ * strip all buffers from the page but keep the page dirty which can then
+ * confuse e.g. concurrent ext4_writepage() seeing dirty page without
+ * buffers). Also we don't need to wait for any commit if all buffers in
+ * the page remain valid. This is most beneficial for the common case of
+ * blocksize == PAGESIZE.
*/
- if (offset > PAGE_SIZE - i_blocksize(inode))
+ if (!offset || offset > (PAGE_SIZE - i_blocksize(inode)))
return;
while (1) {
page = find_lock_page(inode->i_mapping,
diff --git a/fs/ext4/namei.c b/fs/ext4/namei.c
index badbb8b4f0f1..f56d6f1950b9 100644
--- a/fs/ext4/namei.c
+++ b/fs/ext4/namei.c
@@ -3056,18 +3056,17 @@ static int ext4_unlink(struct inode *dir, struct dentry *dentry)
if (IS_DIRSYNC(dir))
ext4_handle_sync(handle);

- if (inode->i_nlink == 0) {
- ext4_warning_inode(inode, "Deleting file '%.*s' with no links",
- dentry->d_name.len, dentry->d_name.name);
- set_nlink(inode, 1);
- }
retval = ext4_delete_entry(handle, dir, de, bh);
if (retval)
goto end_unlink;
dir->i_ctime = dir->i_mtime = current_time(dir);
ext4_update_dx_flag(dir);
ext4_mark_inode_dirty(handle, dir);
- drop_nlink(inode);
+ if (inode->i_nlink == 0)
+ ext4_warning_inode(inode, "Deleting file '%.*s' with no links",
+ dentry->d_name.len, dentry->d_name.name);
+ else
+ drop_nlink(inode);
if (!inode->i_nlink)
ext4_orphan_add(handle, inode);
inode->i_ctime = current_time(inode);
diff --git a/fs/gfs2/log.c b/fs/gfs2/log.c
index 90b5c8d0c56a..d3f0612e3347 100644
--- a/fs/gfs2/log.c
+++ b/fs/gfs2/log.c
@@ -613,6 +613,14 @@ void gfs2_add_revoke(struct gfs2_sbd *sdp, struct gfs2_bufdata *bd)
list_add(&bd->bd_list, &sdp->sd_log_le_revoke);
}

+void gfs2_glock_remove_revoke(struct gfs2_glock *gl)
+{
+ if (atomic_dec_return(&gl->gl_revokes) == 0) {
+ clear_bit(GLF_LFLUSH, &gl->gl_flags);
+ gfs2_glock_queue_put(gl);
+ }
+}
+
void gfs2_write_revokes(struct gfs2_sbd *sdp)
{
struct gfs2_trans *tr;
diff --git a/fs/gfs2/log.h b/fs/gfs2/log.h
index 20241436126d..015766cd1f5d 100644
--- a/fs/gfs2/log.h
+++ b/fs/gfs2/log.h
@@ -80,6 +80,7 @@ extern void gfs2_ail1_flush(struct gfs2_sbd *sdp, struct writeback_control *wbc)
extern void gfs2_log_shutdown(struct gfs2_sbd *sdp);
extern int gfs2_logd(void *data);
extern void gfs2_add_revoke(struct gfs2_sbd *sdp, struct gfs2_bufdata *bd);
+extern void gfs2_glock_remove_revoke(struct gfs2_glock *gl);
extern void gfs2_write_revokes(struct gfs2_sbd *sdp);

#endif /* __LOG_DOT_H__ */
diff --git a/fs/gfs2/lops.c b/fs/gfs2/lops.c
index 8f99b395d7bf..2b3b755ee34c 100644
--- a/fs/gfs2/lops.c
+++ b/fs/gfs2/lops.c
@@ -662,10 +662,7 @@ static void revoke_lo_after_commit(struct gfs2_sbd *sdp, struct gfs2_trans *tr)
bd = list_entry(head->next, struct gfs2_bufdata, bd_list);
list_del_init(&bd->bd_list);
gl = bd->bd_gl;
- if (atomic_dec_return(&gl->gl_revokes) == 0) {
- clear_bit(GLF_LFLUSH, &gl->gl_flags);
- gfs2_glock_queue_put(gl);
- }
+ gfs2_glock_remove_revoke(gl);
kmem_cache_free(gfs2_bufdata_cachep, bd);
}
}
diff --git a/fs/gfs2/trans.c b/fs/gfs2/trans.c
index 064c9a0ef046..812b5d5978b2 100644
--- a/fs/gfs2/trans.c
+++ b/fs/gfs2/trans.c
@@ -266,6 +266,8 @@ void gfs2_trans_add_unrevoke(struct gfs2_sbd *sdp, u64 blkno, unsigned int len)
list_del_init(&bd->bd_list);
gfs2_assert_withdraw(sdp, sdp->sd_log_num_revoke);
sdp->sd_log_num_revoke--;
+ if (bd->bd_gl)
+ gfs2_glock_remove_revoke(bd->bd_gl);
kmem_cache_free(gfs2_bufdata_cachep, bd);
tr->tr_num_revoke_rm++;
if (--n == 0)
diff --git a/fs/ocfs2/quota_global.c b/fs/ocfs2/quota_global.c
index 7a922190a8c7..eda83487c9ec 100644
--- a/fs/ocfs2/quota_global.c
+++ b/fs/ocfs2/quota_global.c
@@ -728,7 +728,7 @@ static int ocfs2_release_dquot(struct dquot *dquot)

mutex_lock(&dquot->dq_lock);
/* Check whether we are not racing with some other dqget() */
- if (atomic_read(&dquot->dq_count) > 1)
+ if (dquot_is_busy(dquot))
goto out;
/* Running from downconvert thread? Postpone quota processing to wq */
if (current == osb->dc_task) {
diff --git a/fs/overlayfs/dir.c b/fs/overlayfs/dir.c
index 336f04da80ed..800bcad67325 100644
--- a/fs/overlayfs/dir.c
+++ b/fs/overlayfs/dir.c
@@ -1174,7 +1174,7 @@ static int ovl_rename(struct inode *olddir, struct dentry *old,
if (newdentry == trap)
goto out_dput;

- if (WARN_ON(olddentry->d_inode == newdentry->d_inode))
+ if (olddentry->d_inode == newdentry->d_inode)
goto out_dput;

err = 0;
diff --git a/fs/overlayfs/inode.c b/fs/overlayfs/inode.c
index 4f4964eeb086..a138bb3bc2a5 100644
--- a/fs/overlayfs/inode.c
+++ b/fs/overlayfs/inode.c
@@ -203,8 +203,14 @@ int ovl_getattr(const struct path *path, struct kstat *stat,
if (ovl_test_flag(OVL_INDEX, d_inode(dentry)) ||
(!ovl_verify_lower(dentry->d_sb) &&
(is_dir || lowerstat.nlink == 1))) {
- stat->ino = lowerstat.ino;
lower_layer = ovl_layer_lower(dentry);
+ /*
+ * Cannot use origin st_dev;st_ino because
+ * origin inode content may differ from overlay
+ * inode content.
+ */
+ if (samefs || lower_layer->fsid)
+ stat->ino = lowerstat.ino;
}

/*
diff --git a/fs/proc/task_mmu.c b/fs/proc/task_mmu.c
index 71aba44c4fa6..efa6273c0006 100644
--- a/fs/proc/task_mmu.c
+++ b/fs/proc/task_mmu.c
@@ -800,6 +800,8 @@ static int show_smap(struct seq_file *m, void *v)

__show_smap(m, &mss);

+ seq_printf(m, "THPeligible: %d\n", transparent_hugepage_enabled(vma));
+
if (arch_pkeys_enabled())
seq_printf(m, "ProtectionKey: %8u\n", vma_pkey(vma));
show_smap_vma_flags(m, vma);
diff --git a/fs/quota/dquot.c b/fs/quota/dquot.c
index dd1783ea7003..59b00d8db22c 100644
--- a/fs/quota/dquot.c
+++ b/fs/quota/dquot.c
@@ -491,7 +491,7 @@ int dquot_release(struct dquot *dquot)

mutex_lock(&dquot->dq_lock);
/* Check whether we are not racing with some other dqget() */
- if (atomic_read(&dquot->dq_count) > 1)
+ if (dquot_is_busy(dquot))
goto out_dqlock;
if (dqopt->ops[dquot->dq_id.type]->release_dqblk) {
ret = dqopt->ops[dquot->dq_id.type]->release_dqblk(dquot);
@@ -617,7 +617,7 @@ EXPORT_SYMBOL(dquot_scan_active);
/* Write all dquot structures to quota files */
int dquot_writeback_dquots(struct super_block *sb, int type)
{
- struct list_head *dirty;
+ struct list_head dirty;
struct dquot *dquot;
struct quota_info *dqopt = sb_dqopt(sb);
int cnt;
@@ -631,9 +631,10 @@ int dquot_writeback_dquots(struct super_block *sb, int type)
if (!sb_has_quota_active(sb, cnt))
continue;
spin_lock(&dq_list_lock);
- dirty = &dqopt->info[cnt].dqi_dirty_list;
- while (!list_empty(dirty)) {
- dquot = list_first_entry(dirty, struct dquot,
+ /* Move list away to avoid livelock. */
+ list_replace_init(&dqopt->info[cnt].dqi_dirty_list, &dirty);
+ while (!list_empty(&dirty)) {
+ dquot = list_first_entry(&dirty, struct dquot,
dq_dirty);

WARN_ON(!test_bit(DQ_ACTIVE_B, &dquot->dq_flags));
diff --git a/fs/reiserfs/inode.c b/fs/reiserfs/inode.c
index 132ec4406ed0..6419e6dacc39 100644
--- a/fs/reiserfs/inode.c
+++ b/fs/reiserfs/inode.c
@@ -2097,6 +2097,15 @@ int reiserfs_new_inode(struct reiserfs_transaction_handle *th,
goto out_inserted_sd;
}

+ /*
+ * Mark it private if we're creating the privroot
+ * or something under it.
+ */
+ if (IS_PRIVATE(dir) || dentry == REISERFS_SB(sb)->priv_root) {
+ inode->i_flags |= S_PRIVATE;
+ inode->i_opflags &= ~IOP_XATTR;
+ }
+
if (reiserfs_posixacl(inode->i_sb)) {
reiserfs_write_unlock(inode->i_sb);
retval = reiserfs_inherit_default_acl(th, dir, dentry, inode);
@@ -2111,8 +2120,7 @@ int reiserfs_new_inode(struct reiserfs_transaction_handle *th,
reiserfs_warning(inode->i_sb, "jdm-13090",
"ACLs aren't enabled in the fs, "
"but vfs thinks they are!");
- } else if (IS_PRIVATE(dir))
- inode->i_flags |= S_PRIVATE;
+ }

if (security->name) {
reiserfs_write_unlock(inode->i_sb);
diff --git a/fs/reiserfs/namei.c b/fs/reiserfs/namei.c
index 97f3fc4fdd79..959a066b7bb0 100644
--- a/fs/reiserfs/namei.c
+++ b/fs/reiserfs/namei.c
@@ -377,10 +377,13 @@ static struct dentry *reiserfs_lookup(struct inode *dir, struct dentry *dentry,

/*
* Propagate the private flag so we know we're
- * in the priv tree
+ * in the priv tree. Also clear IOP_XATTR
+ * since we don't have xattrs on xattr files.
*/
- if (IS_PRIVATE(dir))
+ if (IS_PRIVATE(dir)) {
inode->i_flags |= S_PRIVATE;
+ inode->i_opflags &= ~IOP_XATTR;
+ }
}
reiserfs_write_unlock(dir->i_sb);
if (retval == IO_ERROR) {
diff --git a/fs/reiserfs/reiserfs.h b/fs/reiserfs/reiserfs.h
index e5ca9ed79e54..726580114d55 100644
--- a/fs/reiserfs/reiserfs.h
+++ b/fs/reiserfs/reiserfs.h
@@ -1168,6 +1168,8 @@ static inline int bmap_would_wrap(unsigned bmap_nr)
return bmap_nr > ((1LL << 16) - 1);
}

+extern const struct xattr_handler *reiserfs_xattr_handlers[];
+
/*
* this says about version of key of all items (but stat data) the
* object consists of
diff --git a/fs/reiserfs/super.c b/fs/reiserfs/super.c
index 1fc934d24459..a3507490be6e 100644
--- a/fs/reiserfs/super.c
+++ b/fs/reiserfs/super.c
@@ -2052,6 +2052,8 @@ static int reiserfs_fill_super(struct super_block *s, void *data, int silent)
if (replay_only(s))
goto error_unlocked;

+ s->s_xattr = reiserfs_xattr_handlers;
+
if (bdev_read_only(s->s_bdev) && !sb_rdonly(s)) {
SWARN(silent, s, "clm-7000",
"Detected readonly device, marking FS readonly");
diff --git a/fs/reiserfs/xattr.c b/fs/reiserfs/xattr.c
index 32d8986c26fb..2c5c45927b2f 100644
--- a/fs/reiserfs/xattr.c
+++ b/fs/reiserfs/xattr.c
@@ -122,13 +122,13 @@ static struct dentry *open_xa_root(struct super_block *sb, int flags)
struct dentry *xaroot;

if (d_really_is_negative(privroot))
- return ERR_PTR(-ENODATA);
+ return ERR_PTR(-EOPNOTSUPP);

inode_lock_nested(d_inode(privroot), I_MUTEX_XATTR);

xaroot = dget(REISERFS_SB(sb)->xattr_root);
if (!xaroot)
- xaroot = ERR_PTR(-ENODATA);
+ xaroot = ERR_PTR(-EOPNOTSUPP);
else if (d_really_is_negative(xaroot)) {
int err = -ENODATA;

@@ -610,6 +610,10 @@ int reiserfs_xattr_set(struct inode *inode, const char *name,
int error, error2;
size_t jbegin_count = reiserfs_xattr_nblocks(inode, buffer_size);

+ /* Check before we start a transaction and then do nothing. */
+ if (!d_really_is_positive(REISERFS_SB(inode->i_sb)->priv_root))
+ return -EOPNOTSUPP;
+
if (!(flags & XATTR_REPLACE))
jbegin_count += reiserfs_xattr_jcreate_nblocks(inode);

@@ -832,8 +836,7 @@ ssize_t reiserfs_listxattr(struct dentry * dentry, char *buffer, size_t size)
if (d_really_is_negative(dentry))
return -EINVAL;

- if (!dentry->d_sb->s_xattr ||
- get_inode_sd_version(d_inode(dentry)) == STAT_DATA_V1)
+ if (get_inode_sd_version(d_inode(dentry)) == STAT_DATA_V1)
return -EOPNOTSUPP;

dir = open_xa_dir(d_inode(dentry), XATTR_REPLACE);
@@ -873,6 +876,7 @@ static int create_privroot(struct dentry *dentry)
}

d_inode(dentry)->i_flags |= S_PRIVATE;
+ d_inode(dentry)->i_opflags &= ~IOP_XATTR;
reiserfs_info(dentry->d_sb, "Created %s - reserved for xattr "
"storage.\n", PRIVROOT_NAME);

@@ -886,7 +890,7 @@ static int create_privroot(struct dentry *dentry) { return 0; }
#endif

/* Actual operations that are exported to VFS-land */
-static const struct xattr_handler *reiserfs_xattr_handlers[] = {
+const struct xattr_handler *reiserfs_xattr_handlers[] = {
#ifdef CONFIG_REISERFS_FS_XATTR
&reiserfs_xattr_user_handler,
&reiserfs_xattr_trusted_handler,
@@ -957,8 +961,10 @@ int reiserfs_lookup_privroot(struct super_block *s)
if (!IS_ERR(dentry)) {
REISERFS_SB(s)->priv_root = dentry;
d_set_d_op(dentry, &xattr_lookup_poison_ops);
- if (d_really_is_positive(dentry))
+ if (d_really_is_positive(dentry)) {
d_inode(dentry)->i_flags |= S_PRIVATE;
+ d_inode(dentry)->i_opflags &= ~IOP_XATTR;
+ }
} else
err = PTR_ERR(dentry);
inode_unlock(d_inode(s->s_root));
@@ -987,7 +993,6 @@ int reiserfs_xattr_init(struct super_block *s, int mount_flags)
}

if (d_really_is_positive(privroot)) {
- s->s_xattr = reiserfs_xattr_handlers;
inode_lock(d_inode(privroot));
if (!REISERFS_SB(s)->xattr_root) {
struct dentry *dentry;
diff --git a/fs/reiserfs/xattr_acl.c b/fs/reiserfs/xattr_acl.c
index aa9380bac196..05f666794561 100644
--- a/fs/reiserfs/xattr_acl.c
+++ b/fs/reiserfs/xattr_acl.c
@@ -320,10 +320,8 @@ reiserfs_inherit_default_acl(struct reiserfs_transaction_handle *th,
* would be useless since permissions are ignored, and a pain because
* it introduces locking cycles
*/
- if (IS_PRIVATE(dir)) {
- inode->i_flags |= S_PRIVATE;
+ if (IS_PRIVATE(inode))
goto apply_umask;
- }

err = posix_acl_create(dir, &inode->i_mode, &default_acl, &acl);
if (err)
diff --git a/fs/splice.c b/fs/splice.c
index 8af8c318afd6..fd28c7da3c83 100644
--- a/fs/splice.c
+++ b/fs/splice.c
@@ -949,12 +949,13 @@ ssize_t splice_direct_to_actor(struct file *in, struct splice_desc *sd,
WARN_ON_ONCE(pipe->nrbufs != 0);

while (len) {
+ unsigned int pipe_pages;
size_t read_len;
loff_t pos = sd->pos, prev_pos = pos;

/* Don't try to read more the pipe has space for. */
- read_len = min_t(size_t, len,
- (pipe->buffers - pipe->nrbufs) << PAGE_SHIFT);
+ pipe_pages = pipe->buffers - pipe->nrbufs;
+ read_len = min(len, (size_t)pipe_pages << PAGE_SHIFT);
ret = do_splice_to(in, &pos, pipe, read_len, flags);
if (unlikely(ret <= 0))
goto out_release;
@@ -1175,8 +1176,15 @@ static long do_splice(struct file *in, loff_t __user *off_in,

pipe_lock(opipe);
ret = wait_for_space(opipe, flags);
- if (!ret)
+ if (!ret) {
+ unsigned int pipe_pages;
+
+ /* Don't try to read more the pipe has space for. */
+ pipe_pages = opipe->buffers - opipe->nrbufs;
+ len = min(len, (size_t)pipe_pages << PAGE_SHIFT);
+
ret = do_splice_to(in, &offset, opipe, len, flags);
+ }
pipe_unlock(opipe);
if (ret > 0)
wakeup_pipe_readers(opipe);
diff --git a/include/linux/huge_mm.h b/include/linux/huge_mm.h
index 77227224ca88..e375f2249f52 100644
--- a/include/linux/huge_mm.h
+++ b/include/linux/huge_mm.h
@@ -91,7 +91,11 @@ extern bool is_vma_temporary_stack(struct vm_area_struct *vma);

extern unsigned long transparent_hugepage_flags;

-static inline bool transparent_hugepage_enabled(struct vm_area_struct *vma)
+/*
+ * to be used on vmas which are known to support THP.
+ * Use transparent_hugepage_enabled otherwise
+ */
+static inline bool __transparent_hugepage_enabled(struct vm_area_struct *vma)
{
if (vma->vm_flags & VM_NOHUGEPAGE)
return false;
@@ -115,6 +119,8 @@ static inline bool transparent_hugepage_enabled(struct vm_area_struct *vma)
return false;
}

+bool transparent_hugepage_enabled(struct vm_area_struct *vma);
+
#define transparent_hugepage_use_zero_page() \
(transparent_hugepage_flags & \
(1<<TRANSPARENT_HUGEPAGE_USE_ZERO_PAGE_FLAG))
@@ -255,6 +261,11 @@ static inline bool thp_migration_supported(void)

#define hpage_nr_pages(x) 1

+static inline bool __transparent_hugepage_enabled(struct vm_area_struct *vma)
+{
+ return false;
+}
+
static inline bool transparent_hugepage_enabled(struct vm_area_struct *vma)
{
return false;
diff --git a/include/linux/mfd/rk808.h b/include/linux/mfd/rk808.h
index d3156594674c..338e0f6e2226 100644
--- a/include/linux/mfd/rk808.h
+++ b/include/linux/mfd/rk808.h
@@ -443,7 +443,7 @@ enum {
enum {
RK805_ID = 0x8050,
RK808_ID = 0x0000,
- RK818_ID = 0x8181,
+ RK818_ID = 0x8180,
};

struct rk808 {
diff --git a/include/linux/quotaops.h b/include/linux/quotaops.h
index 185d94829701..91e0b7624053 100644
--- a/include/linux/quotaops.h
+++ b/include/linux/quotaops.h
@@ -54,6 +54,16 @@ static inline struct dquot *dqgrab(struct dquot *dquot)
atomic_inc(&dquot->dq_count);
return dquot;
}
+
+static inline bool dquot_is_busy(struct dquot *dquot)
+{
+ if (test_bit(DQ_MOD_B, &dquot->dq_flags))
+ return true;
+ if (atomic_read(&dquot->dq_count) > 1)
+ return true;
+ return false;
+}
+
void dqput(struct dquot *dquot);
int dquot_scan_active(struct super_block *sb,
int (*fn)(struct dquot *dquot, unsigned long priv),
diff --git a/include/uapi/linux/cec.h b/include/uapi/linux/cec.h
index 3094af68b6e7..d6ba68880cef 100644
--- a/include/uapi/linux/cec.h
+++ b/include/uapi/linux/cec.h
@@ -767,8 +767,8 @@ struct cec_event {
#define CEC_MSG_SELECT_DIGITAL_SERVICE 0x93
#define CEC_MSG_TUNER_DEVICE_STATUS 0x07
/* Recording Flag Operand (rec_flag) */
-#define CEC_OP_REC_FLAG_USED 0
-#define CEC_OP_REC_FLAG_NOT_USED 1
+#define CEC_OP_REC_FLAG_NOT_USED 0
+#define CEC_OP_REC_FLAG_USED 1
/* Tuner Display Info Operand (tuner_display_info) */
#define CEC_OP_TUNER_DISPLAY_INFO_DIGITAL 0
#define CEC_OP_TUNER_DISPLAY_INFO_NONE 1
diff --git a/kernel/cgroup/pids.c b/kernel/cgroup/pids.c
index c9960baaa14f..940d2e8db776 100644
--- a/kernel/cgroup/pids.c
+++ b/kernel/cgroup/pids.c
@@ -48,7 +48,7 @@ struct pids_cgroup {
* %PIDS_MAX = (%PID_MAX_LIMIT + 1).
*/
atomic64_t counter;
- int64_t limit;
+ atomic64_t limit;

/* Handle for "pids.events" */
struct cgroup_file events_file;
@@ -76,8 +76,8 @@ pids_css_alloc(struct cgroup_subsys_state *parent)
if (!pids)
return ERR_PTR(-ENOMEM);

- pids->limit = PIDS_MAX;
atomic64_set(&pids->counter, 0);
+ atomic64_set(&pids->limit, PIDS_MAX);
atomic64_set(&pids->events_limit, 0);
return &pids->css;
}
@@ -149,13 +149,14 @@ static int pids_try_charge(struct pids_cgroup *pids, int num)

for (p = pids; parent_pids(p); p = parent_pids(p)) {
int64_t new = atomic64_add_return(num, &p->counter);
+ int64_t limit = atomic64_read(&p->limit);

/*
* Since new is capped to the maximum number of pid_t, if
* p->limit is %PIDS_MAX then we know that this test will never
* fail.
*/
- if (new > p->limit)
+ if (new > limit)
goto revert;
}

@@ -280,7 +281,7 @@ static ssize_t pids_max_write(struct kernfs_open_file *of, char *buf,
* Limit updates don't need to be mutex'd, since it isn't
* critical that any racing fork()s follow the new limit.
*/
- pids->limit = limit;
+ atomic64_set(&pids->limit, limit);
return nbytes;
}

@@ -288,7 +289,7 @@ static int pids_max_show(struct seq_file *sf, void *v)
{
struct cgroup_subsys_state *css = seq_css(sf);
struct pids_cgroup *pids = css_pids(css);
- int64_t limit = pids->limit;
+ int64_t limit = atomic64_read(&pids->limit);

if (limit >= PIDS_MAX)
seq_printf(sf, "%s\n", PIDS_MAX_STR);
diff --git a/kernel/module.c b/kernel/module.c
index 8257110bf599..d3aaec62c142 100644
--- a/kernel/module.c
+++ b/kernel/module.c
@@ -1021,6 +1021,8 @@ SYSCALL_DEFINE2(delete_module, const char __user *, name_user,
strlcpy(last_unloaded_module, mod->name, sizeof(last_unloaded_module));

free_module(mod);
+ /* someone could wait for the module in add_unformed_module() */
+ wake_up_all(&module_wq);
return 0;
out:
mutex_unlock(&module_mutex);
diff --git a/kernel/workqueue.c b/kernel/workqueue.c
index cd8b61bded78..493908464b9e 100644
--- a/kernel/workqueue.c
+++ b/kernel/workqueue.c
@@ -2413,8 +2413,14 @@ static int rescuer_thread(void *__rescuer)
*/
if (need_to_create_worker(pool)) {
spin_lock(&wq_mayday_lock);
- get_pwq(pwq);
- list_move_tail(&pwq->mayday_node, &wq->maydays);
+ /*
+ * Queue iff we aren't racing destruction
+ * and somebody else hasn't queued it already.
+ */
+ if (wq->rescuer && list_empty(&pwq->mayday_node)) {
+ get_pwq(pwq);
+ list_add_tail(&pwq->mayday_node, &wq->maydays);
+ }
spin_unlock(&wq_mayday_lock);
}
}
@@ -4154,9 +4160,29 @@ void destroy_workqueue(struct workqueue_struct *wq)
struct pool_workqueue *pwq;
int node;

+ /*
+ * Remove it from sysfs first so that sanity check failure doesn't
+ * lead to sysfs name conflicts.
+ */
+ workqueue_sysfs_unregister(wq);
+
/* drain it before proceeding with destruction */
drain_workqueue(wq);

+ /* kill rescuer, if sanity checks fail, leave it w/o rescuer */
+ if (wq->rescuer) {
+ struct worker *rescuer = wq->rescuer;
+
+ /* this prevents new queueing */
+ spin_lock_irq(&wq_mayday_lock);
+ wq->rescuer = NULL;
+ spin_unlock_irq(&wq_mayday_lock);
+
+ /* rescuer will empty maydays list before exiting */
+ kthread_stop(rescuer->task);
+ kfree(rescuer);
+ }
+
/* sanity checks */
mutex_lock(&wq->mutex);
for_each_pwq(pwq, wq) {
@@ -4188,11 +4214,6 @@ void destroy_workqueue(struct workqueue_struct *wq)
list_del_rcu(&wq->list);
mutex_unlock(&wq_pool_mutex);

- workqueue_sysfs_unregister(wq);
-
- if (wq->rescuer)
- kthread_stop(wq->rescuer->task);
-
if (!(wq->flags & WQ_UNBOUND)) {
/*
* The base ref is never dropped on per-cpu pwqs. Directly
@@ -4464,7 +4485,8 @@ static void show_pwq(struct pool_workqueue *pwq)
pr_info(" pwq %d:", pool->id);
pr_cont_pool_info(pool);

- pr_cont(" active=%d/%d%s\n", pwq->nr_active, pwq->max_active,
+ pr_cont(" active=%d/%d refcnt=%d%s\n",
+ pwq->nr_active, pwq->max_active, pwq->refcnt,
!list_empty(&pwq->mayday_node) ? " MAYDAY" : "");

hash_for_each(pool->busy_hash, bkt, worker, hentry) {
diff --git a/lib/idr.c b/lib/idr.c
index 61383564a6c5..6ff3b1c36e0a 100644
--- a/lib/idr.c
+++ b/lib/idr.c
@@ -218,7 +218,7 @@ int idr_for_each(const struct idr *idr,
EXPORT_SYMBOL(idr_for_each);

/**
- * idr_get_next() - Find next populated entry.
+ * idr_get_next_ul() - Find next populated entry.
* @idr: IDR handle.
* @nextid: Pointer to an ID.
*
@@ -227,7 +227,7 @@ EXPORT_SYMBOL(idr_for_each);
* to the ID of the found value. To use in a loop, the value pointed to by
* nextid must be incremented by the user.
*/
-void *idr_get_next(struct idr *idr, int *nextid)
+void *idr_get_next_ul(struct idr *idr, unsigned long *nextid)
{
struct radix_tree_iter iter;
void __rcu **slot;
@@ -249,18 +249,14 @@ void *idr_get_next(struct idr *idr, int *nextid)
}
if (!slot)
return NULL;
- id = iter.index + base;
-
- if (WARN_ON_ONCE(id > INT_MAX))
- return NULL;

- *nextid = id;
+ *nextid = iter.index + base;
return entry;
}
-EXPORT_SYMBOL(idr_get_next);
+EXPORT_SYMBOL(idr_get_next_ul);

/**
- * idr_get_next_ul() - Find next populated entry.
+ * idr_get_next() - Find next populated entry.
* @idr: IDR handle.
* @nextid: Pointer to an ID.
*
@@ -269,22 +265,17 @@ EXPORT_SYMBOL(idr_get_next);
* to the ID of the found value. To use in a loop, the value pointed to by
* nextid must be incremented by the user.
*/
-void *idr_get_next_ul(struct idr *idr, unsigned long *nextid)
+void *idr_get_next(struct idr *idr, int *nextid)
{
- struct radix_tree_iter iter;
- void __rcu **slot;
- unsigned long base = idr->idr_base;
unsigned long id = *nextid;
+ void *entry = idr_get_next_ul(idr, &id);

- id = (id < base) ? 0 : id - base;
- slot = radix_tree_iter_find(&idr->idr_rt, &iter, id);
- if (!slot)
+ if (WARN_ON_ONCE(id > INT_MAX))
return NULL;
-
- *nextid = iter.index + base;
- return rcu_dereference_raw(*slot);
+ *nextid = id;
+ return entry;
}
-EXPORT_SYMBOL(idr_get_next_ul);
+EXPORT_SYMBOL(idr_get_next);

/**
* idr_replace() - replace pointer for given ID.
diff --git a/lib/raid6/unroll.awk b/lib/raid6/unroll.awk
index c6aa03631df8..0809805a7e23 100644
--- a/lib/raid6/unroll.awk
+++ b/lib/raid6/unroll.awk
@@ -13,7 +13,7 @@ BEGIN {
for (i = 0; i < rep; ++i) {
tmp = $0
gsub(/\$\$/, i, tmp)
- gsub(/\$\#/, n, tmp)
+ gsub(/\$#/, n, tmp)
gsub(/\$\*/, "$", tmp)
print tmp
}
diff --git a/mm/huge_memory.c b/mm/huge_memory.c
index 09ce8528bbdd..5a1771bd5d04 100644
--- a/mm/huge_memory.c
+++ b/mm/huge_memory.c
@@ -63,6 +63,16 @@ static struct shrinker deferred_split_shrinker;
static atomic_t huge_zero_refcount;
struct page *huge_zero_page __read_mostly;

+bool transparent_hugepage_enabled(struct vm_area_struct *vma)
+{
+ if (vma_is_anonymous(vma))
+ return __transparent_hugepage_enabled(vma);
+ if (vma_is_shmem(vma) && shmem_huge_enabled(vma))
+ return __transparent_hugepage_enabled(vma);
+
+ return false;
+}
+
static struct page *get_huge_zero_page(void)
{
struct page *zero_page;
@@ -1329,7 +1339,7 @@ vm_fault_t do_huge_pmd_wp_page(struct vm_fault *vmf, pmd_t orig_pmd)
get_page(page);
spin_unlock(vmf->ptl);
alloc:
- if (transparent_hugepage_enabled(vma) &&
+ if (__transparent_hugepage_enabled(vma) &&
!transparent_hugepage_debug_cow()) {
huge_gfp = alloc_hugepage_direct_gfpmask(vma);
new_page = alloc_hugepage_vma(huge_gfp, vma, haddr, HPAGE_PMD_ORDER);
diff --git a/mm/memory.c b/mm/memory.c
index fb5655b518c9..bbf0cc4066c8 100644
--- a/mm/memory.c
+++ b/mm/memory.c
@@ -4106,7 +4106,7 @@ static vm_fault_t __handle_mm_fault(struct vm_area_struct *vma,
vmf.pud = pud_alloc(mm, p4d, address);
if (!vmf.pud)
return VM_FAULT_OOM;
- if (pud_none(*vmf.pud) && transparent_hugepage_enabled(vma)) {
+ if (pud_none(*vmf.pud) && __transparent_hugepage_enabled(vma)) {
ret = create_huge_pud(&vmf);
if (!(ret & VM_FAULT_FALLBACK))
return ret;
@@ -4132,7 +4132,7 @@ static vm_fault_t __handle_mm_fault(struct vm_area_struct *vma,
vmf.pmd = pmd_alloc(mm, vmf.pud, address);
if (!vmf.pmd)
return VM_FAULT_OOM;
- if (pmd_none(*vmf.pmd) && transparent_hugepage_enabled(vma)) {
+ if (pmd_none(*vmf.pmd) && __transparent_hugepage_enabled(vma)) {
ret = create_huge_pmd(&vmf);
if (!(ret & VM_FAULT_FALLBACK))
return ret;
diff --git a/mm/shmem.c b/mm/shmem.c
index 3c8742655756..650ef56dc790 100644
--- a/mm/shmem.c
+++ b/mm/shmem.c
@@ -2692,7 +2692,7 @@ static long shmem_fallocate(struct file *file, int mode, loff_t offset,
}

shmem_falloc.waitq = &shmem_falloc_waitq;
- shmem_falloc.start = unmap_start >> PAGE_SHIFT;
+ shmem_falloc.start = (u64)unmap_start >> PAGE_SHIFT;
shmem_falloc.next = (unmap_end + 1) >> PAGE_SHIFT;
spin_lock(&inode->i_lock);
inode->i_private = &shmem_falloc;
diff --git a/net/ipv4/gre_demux.c b/net/ipv4/gre_demux.c
index 511b32ea2533..0eb4bfa2332c 100644
--- a/net/ipv4/gre_demux.c
+++ b/net/ipv4/gre_demux.c
@@ -132,7 +132,7 @@ int gre_parse_header(struct sk_buff *skb, struct tnl_ptk_info *tpi,
if (!pskb_may_pull(skb, nhs + hdr_len + sizeof(*ershdr)))
return -EINVAL;

- ershdr = (struct erspan_base_hdr *)options;
+ ershdr = (struct erspan_base_hdr *)(skb->data + nhs + hdr_len);
tpi->key = cpu_to_be32(get_session_id(ershdr));
}

diff --git a/net/sched/sch_cake.c b/net/sched/sch_cake.c
index 9fd37d91b5ed..e4cf72b0675e 100644
--- a/net/sched/sch_cake.c
+++ b/net/sched/sch_cake.c
@@ -1666,7 +1666,7 @@ static s32 cake_enqueue(struct sk_buff *skb, struct Qdisc *sch,
if (skb_is_gso(skb) && q->rate_flags & CAKE_FLAG_SPLIT_GSO) {
struct sk_buff *segs, *nskb;
netdev_features_t features = netif_skb_features(skb);
- unsigned int slen = 0;
+ unsigned int slen = 0, numsegs = 0;

segs = skb_gso_segment(skb, features & ~NETIF_F_GSO_MASK);
if (IS_ERR_OR_NULL(segs))
@@ -1682,6 +1682,7 @@ static s32 cake_enqueue(struct sk_buff *skb, struct Qdisc *sch,
flow_queue_add(flow, segs);

sch->q.qlen++;
+ numsegs++;
slen += segs->len;
q->buffer_used += segs->truesize;
b->packets++;
@@ -1695,7 +1696,7 @@ static s32 cake_enqueue(struct sk_buff *skb, struct Qdisc *sch,
sch->qstats.backlog += slen;
q->avg_window_bytes += slen;

- qdisc_tree_reduce_backlog(sch, 1, len);
+ qdisc_tree_reduce_backlog(sch, 1-numsegs, len-slen);
consume_skb(skb);
} else {
/* not splitting */
diff --git a/net/smc/smc_tx.c b/net/smc/smc_tx.c
index 0ecbbdc337b8..62885a2781c9 100644
--- a/net/smc/smc_tx.c
+++ b/net/smc/smc_tx.c
@@ -486,25 +486,23 @@ static int smcr_tx_sndbuf_nonempty(struct smc_connection *conn)
struct smc_wr_buf *wr_buf;
int rc;

- spin_lock_bh(&conn->send_lock);
rc = smc_cdc_get_free_slot(conn, &wr_buf, &pend);
if (rc < 0) {
if (rc == -EBUSY) {
struct smc_sock *smc =
container_of(conn, struct smc_sock, conn);

- if (smc->sk.sk_err == ECONNABORTED) {
- rc = sock_error(&smc->sk);
- goto out_unlock;
- }
+ if (smc->sk.sk_err == ECONNABORTED)
+ return sock_error(&smc->sk);
rc = 0;
if (conn->alert_token_local) /* connection healthy */
mod_delayed_work(system_wq, &conn->tx_work,
SMC_TX_WORK_DELAY);
}
- goto out_unlock;
+ return rc;
}

+ spin_lock_bh(&conn->send_lock);
if (!conn->local_tx_ctrl.prod_flags.urg_data_present) {
rc = smc_tx_rdma_writes(conn);
if (rc) {
diff --git a/net/sunrpc/cache.c b/net/sunrpc/cache.c
index 214440c5b14e..3a28e150b2dc 100644
--- a/net/sunrpc/cache.c
+++ b/net/sunrpc/cache.c
@@ -54,9 +54,6 @@ static void cache_init(struct cache_head *h, struct cache_detail *detail)
h->last_refresh = now;
}

-static inline int cache_is_valid(struct cache_head *h);
-static void cache_fresh_locked(struct cache_head *head, time_t expiry,
- struct cache_detail *detail);
static void cache_fresh_unlocked(struct cache_head *head,
struct cache_detail *detail);

@@ -101,9 +98,6 @@ struct cache_head *sunrpc_cache_lookup(struct cache_detail *detail,
if (cache_is_expired(detail, tmp)) {
hlist_del_init(&tmp->cache_list);
detail->entries --;
- if (cache_is_valid(tmp) == -EAGAIN)
- set_bit(CACHE_NEGATIVE, &tmp->flags);
- cache_fresh_locked(tmp, 0, detail);
freeme = tmp;
break;
}
diff --git a/sound/soc/codecs/rt5645.c b/sound/soc/codecs/rt5645.c
index f842db498c74..7e3b47eeea04 100644
--- a/sound/soc/codecs/rt5645.c
+++ b/sound/soc/codecs/rt5645.c
@@ -3307,6 +3307,9 @@ static void rt5645_jack_detect_work(struct work_struct *work)
snd_soc_jack_report(rt5645->mic_jack,
report, SND_JACK_MICROPHONE);
return;
+ case 4:
+ val = snd_soc_component_read32(rt5645->component, RT5645_A_JD_CTRL1) & 0x0020;
+ break;
default: /* read rt5645 jd1_1 status */
val = snd_soc_component_read32(rt5645->component, RT5645_INT_IRQ_ST) & 0x1000;
break;
@@ -3634,7 +3637,7 @@ static const struct rt5645_platform_data intel_braswell_platform_data = {
static const struct rt5645_platform_data buddy_platform_data = {
.dmic1_data_pin = RT5645_DMIC_DATA_GPIO5,
.dmic2_data_pin = RT5645_DMIC_DATA_IN2P,
- .jd_mode = 3,
+ .jd_mode = 4,
.level_trigger_irq = true,
};

@@ -4030,6 +4033,7 @@ static int rt5645_i2c_probe(struct i2c_client *i2c,
RT5645_JD1_MODE_1);
break;
case 3:
+ case 4:
regmap_update_bits(rt5645->regmap, RT5645_A_JD_CTRL1,
RT5645_JD1_MODE_MASK,
RT5645_JD1_MODE_2);
diff --git a/sound/soc/soc-jack.c b/sound/soc/soc-jack.c
index c7b990abdbaa..2a528e73bad2 100644
--- a/sound/soc/soc-jack.c
+++ b/sound/soc/soc-jack.c
@@ -100,10 +100,9 @@ void snd_soc_jack_report(struct snd_soc_jack *jack, int status, int mask)
unsigned int sync = 0;
int enable;

- trace_snd_soc_jack_report(jack, mask, status);
-
if (!jack)
return;
+ trace_snd_soc_jack_report(jack, mask, status);

dapm = &jack->card->dapm;

diff --git a/tools/perf/util/machine.c b/tools/perf/util/machine.c
index 003b70daf0bf..21f867a543e0 100644
--- a/tools/perf/util/machine.c
+++ b/tools/perf/util/machine.c
@@ -2276,7 +2276,7 @@ static int thread__resolve_callchain_sample(struct thread *thread,
}

check_calls:
- if (callchain_param.order != ORDER_CALLEE) {
+ if (chain && callchain_param.order != ORDER_CALLEE) {
err = find_prev_cpumode(chain, thread, cursor, parent, root_al,
&cpumode, chain->nr - first_call);
if (err)

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