Re: Linux 4.3.1

From: Greg KH
Date: Wed Dec 09 2015 - 15:17:00 EST

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diff --git a/Documentation/devicetree/bindings/usb/dwc3.txt b/Documentation/devicetree/bindings/usb/dwc3.txt
index 0815eac5b185..e12f3448846a 100644
--- a/Documentation/devicetree/bindings/usb/dwc3.txt
+++ b/Documentation/devicetree/bindings/usb/dwc3.txt
@@ -35,6 +35,8 @@ Optional properties:
LTSSM during USB3 Compliance mode.
- snps,dis_u3_susphy_quirk: when set core will disable USB3 suspend phy.
- snps,dis_u2_susphy_quirk: when set core will disable USB2 suspend phy.
+ - snps,dis_enblslpm_quirk: when set clears the enblslpm in GUSB2PHYCFG,
+ disabling the suspend signal to the PHY.
- snps,is-utmi-l1-suspend: true when DWC3 asserts output signal
utmi_l1_suspend_n, false when asserts utmi_sleep_n
- snps,hird-threshold: HIRD threshold
diff --git a/Documentation/filesystems/proc.txt b/Documentation/filesystems/proc.txt
index d411ca63c8b6..3a9d65c912e7 100644
--- a/Documentation/filesystems/proc.txt
+++ b/Documentation/filesystems/proc.txt
@@ -140,7 +140,8 @@ Table 1-1: Process specific entries in /proc
stat Process status
statm Process memory status information
status Process status in human readable form
- wchan If CONFIG_KALLSYMS is set, a pre-decoded wchan
+ wchan Present with CONFIG_KALLSYMS=y: it shows the kernel function
+ symbol the task is blocked in - or "0" if not blocked.
pagemap Page table
stack Report full stack trace, enable via CONFIG_STACKTRACE
smaps a extension based on maps, showing the memory consumption of
@@ -310,7 +311,7 @@ Table 1-4: Contents of the stat files (as of 2.6.30-rc7)
blocked bitmap of blocked signals
sigign bitmap of ignored signals
sigcatch bitmap of caught signals
- wchan address where process went to sleep
+ 0 (place holder, used to be the wchan address, use /proc/PID/wchan instead)
0 (place holder)
0 (place holder)
exit_signal signal to send to parent thread on exit
diff --git a/Makefile b/Makefile
index d5b37391195f..266eeacc1490 100644
--- a/Makefile
+++ b/Makefile
@@ -1,6 +1,6 @@
VERSION = 4
PATCHLEVEL = 3
-SUBLEVEL = 0
+SUBLEVEL = 1
EXTRAVERSION =
NAME = Blurry Fish Butt

diff --git a/arch/arm/boot/dts/exynos3250-monk.dts b/arch/arm/boot/dts/exynos3250-monk.dts
index 540a0adf2be6..35b39d2255d3 100644
--- a/arch/arm/boot/dts/exynos3250-monk.dts
+++ b/arch/arm/boot/dts/exynos3250-monk.dts
@@ -161,6 +161,7 @@
};

&exynos_usbphy {
+ vbus-supply = <&safeout_reg>;
status = "okay";
};

diff --git a/arch/arm/boot/dts/exynos3250-rinato.dts b/arch/arm/boot/dts/exynos3250-rinato.dts
index 41a5fafb9aa9..23623cd3ebd9 100644
--- a/arch/arm/boot/dts/exynos3250-rinato.dts
+++ b/arch/arm/boot/dts/exynos3250-rinato.dts
@@ -153,6 +153,7 @@

&exynos_usbphy {
status = "okay";
+ vbus-supply = <&safeout_reg>;
};

&hsotg {
diff --git a/arch/arm/boot/dts/exynos4210-trats.dts b/arch/arm/boot/dts/exynos4210-trats.dts
index ba34886f8b65..01d38f2145b9 100644
--- a/arch/arm/boot/dts/exynos4210-trats.dts
+++ b/arch/arm/boot/dts/exynos4210-trats.dts
@@ -251,6 +251,7 @@

&exynos_usbphy {
status = "okay";
+ vbus-supply = <&safe1_sreg>;
};

&fimd {
@@ -448,7 +449,6 @@

safe1_sreg: ESAFEOUT1 {
regulator-name = "SAFEOUT1";
- regulator-always-on;
};

safe2_sreg: ESAFEOUT2 {
diff --git a/arch/arm/boot/dts/exynos4210-universal_c210.dts b/arch/arm/boot/dts/exynos4210-universal_c210.dts
index eb379526e234..2c04297825fe 100644
--- a/arch/arm/boot/dts/exynos4210-universal_c210.dts
+++ b/arch/arm/boot/dts/exynos4210-universal_c210.dts
@@ -248,6 +248,7 @@

&exynos_usbphy {
status = "okay";
+ vbus-supply = <&safeout1_reg>;
};

&fimd {
@@ -486,7 +487,6 @@

safeout1_reg: ESAFEOUT1 {
regulator-name = "SAFEOUT1";
- regulator-always-on;
};

safeout2_reg: ESAFEOUT2 {
diff --git a/arch/arm/boot/dts/exynos4412-trats2.dts b/arch/arm/boot/dts/exynos4412-trats2.dts
index 2a1ebb76ebe0..50a5e8a85283 100644
--- a/arch/arm/boot/dts/exynos4412-trats2.dts
+++ b/arch/arm/boot/dts/exynos4412-trats2.dts
@@ -391,6 +391,7 @@
};

&exynos_usbphy {
+ vbus-supply = <&esafeout1_reg>;
status = "okay";
};

diff --git a/arch/arm/boot/dts/imx27.dtsi b/arch/arm/boot/dts/imx27.dtsi
index feb9d34b239c..f818ea483aeb 100644
--- a/arch/arm/boot/dts/imx27.dtsi
+++ b/arch/arm/boot/dts/imx27.dtsi
@@ -486,7 +486,10 @@
compatible = "fsl,imx27-usb";
reg = <0x10024000 0x200>;
interrupts = <56>;
- clocks = <&clks IMX27_CLK_USB_IPG_GATE>;
+ clocks = <&clks IMX27_CLK_USB_IPG_GATE>,
+ <&clks IMX27_CLK_USB_AHB_GATE>,
+ <&clks IMX27_CLK_USB_DIV>;
+ clock-names = "ipg", "ahb", "per";
fsl,usbmisc = <&usbmisc 0>;
status = "disabled";
};
@@ -495,7 +498,10 @@
compatible = "fsl,imx27-usb";
reg = <0x10024200 0x200>;
interrupts = <54>;
- clocks = <&clks IMX27_CLK_USB_IPG_GATE>;
+ clocks = <&clks IMX27_CLK_USB_IPG_GATE>,
+ <&clks IMX27_CLK_USB_AHB_GATE>,
+ <&clks IMX27_CLK_USB_DIV>;
+ clock-names = "ipg", "ahb", "per";
fsl,usbmisc = <&usbmisc 1>;
dr_mode = "host";
status = "disabled";
@@ -505,7 +511,10 @@
compatible = "fsl,imx27-usb";
reg = <0x10024400 0x200>;
interrupts = <55>;
- clocks = <&clks IMX27_CLK_USB_IPG_GATE>;
+ clocks = <&clks IMX27_CLK_USB_IPG_GATE>,
+ <&clks IMX27_CLK_USB_AHB_GATE>,
+ <&clks IMX27_CLK_USB_DIV>;
+ clock-names = "ipg", "ahb", "per";
fsl,usbmisc = <&usbmisc 2>;
dr_mode = "host";
status = "disabled";
@@ -515,7 +524,6 @@
#index-cells = <1>;
compatible = "fsl,imx27-usbmisc";
reg = <0x10024600 0x200>;
- clocks = <&clks IMX27_CLK_USB_AHB_GATE>;
};

sahara2: sahara@10025000 {
diff --git a/arch/arm/boot/dts/omap5-uevm.dts b/arch/arm/boot/dts/omap5-uevm.dts
index 3cb030f9d2c4..c85761212d90 100644
--- a/arch/arm/boot/dts/omap5-uevm.dts
+++ b/arch/arm/boot/dts/omap5-uevm.dts
@@ -31,6 +31,24 @@
regulator-max-microvolt = <3000000>;
};

+ mmc3_pwrseq: sdhci0_pwrseq {
+ compatible = "mmc-pwrseq-simple";
+ clocks = <&clk32kgaudio>;
+ clock-names = "ext_clock";
+ };
+
+ vmmcsdio_fixed: fixedregulator-mmcsdio {
+ compatible = "regulator-fixed";
+ regulator-name = "vmmcsdio_fixed";
+ regulator-min-microvolt = <1800000>;
+ regulator-max-microvolt = <1800000>;
+ gpio = <&gpio5 12 GPIO_ACTIVE_HIGH>; /* gpio140 WLAN_EN */
+ enable-active-high;
+ startup-delay-us = <70000>;
+ pinctrl-names = "default";
+ pinctrl-0 = <&wlan_pins>;
+ };
+
/* HS USB Host PHY on PORT 2 */
hsusb2_phy: hsusb2_phy {
compatible = "usb-nop-xceiv";
@@ -197,12 +215,20 @@
>;
};

- mcspi4_pins: pinmux_mcspi4_pins {
+ mmc3_pins: pinmux_mmc3_pins {
+ pinctrl-single,pins = <
+ OMAP5_IOPAD(0x01a4, PIN_INPUT_PULLUP | MUX_MODE0) /* wlsdio_clk */
+ OMAP5_IOPAD(0x01a6, PIN_INPUT_PULLUP | MUX_MODE0) /* wlsdio_cmd */
+ OMAP5_IOPAD(0x01a8, PIN_INPUT_PULLUP | MUX_MODE0) /* wlsdio_data0 */
+ OMAP5_IOPAD(0x01aa, PIN_INPUT_PULLUP | MUX_MODE0) /* wlsdio_data1 */
+ OMAP5_IOPAD(0x01ac, PIN_INPUT_PULLUP | MUX_MODE0) /* wlsdio_data2 */
+ OMAP5_IOPAD(0x01ae, PIN_INPUT_PULLUP | MUX_MODE0) /* wlsdio_data3 */
+ >;
+ };
+
+ wlan_pins: pinmux_wlan_pins {
pinctrl-single,pins = <
- 0x164 (PIN_INPUT | MUX_MODE1) /* mcspi4_clk */
- 0x168 (PIN_INPUT | MUX_MODE1) /* mcspi4_simo */
- 0x16a (PIN_INPUT | MUX_MODE1) /* mcspi4_somi */
- 0x16c (PIN_INPUT | MUX_MODE1) /* mcspi4_cs0 */
+ OMAP5_IOPAD(0x1bc, PIN_OUTPUT | MUX_MODE6) /* mcspi1_clk.gpio5_140 */
>;
};

@@ -276,6 +302,12 @@
0x1A (PIN_OUTPUT | MUX_MODE0) /* fref_clk1_out, USB hub clk */
>;
};
+
+ wlcore_irq_pin: pinmux_wlcore_irq_pin {
+ pinctrl-single,pins = <
+ OMAP5_IOPAD(0x040, WAKEUP_EN | PIN_INPUT_PULLUP | MUX_MODE6) /* llia_wakereqin.gpio1_wk14 */
+ >;
+ };
};

&mmc1 {
@@ -290,8 +322,25 @@
};

&mmc3 {
+ vmmc-supply = <&vmmcsdio_fixed>;
+ mmc-pwrseq = <&mmc3_pwrseq>;
bus-width = <4>;
- ti,non-removable;
+ non-removable;
+ cap-power-off-card;
+ pinctrl-names = "default";
+ pinctrl-0 = <&mmc3_pins &wlcore_irq_pin>;
+ interrupts-extended = <&gic GIC_SPI 94 IRQ_TYPE_LEVEL_HIGH
+ &omap5_pmx_core 0x168>;
+
+ #address-cells = <1>;
+ #size-cells = <0>;
+ wlcore: wlcore@2 {
+ compatible = "ti,wl1271";
+ reg = <2>;
+ interrupt-parent = <&gpio1>;
+ interrupts = <14 IRQ_TYPE_LEVEL_HIGH>; /* gpio 14 */
+ ref-clock-frequency = <26000000>;
+ };
};

&mmc4 {
@@ -598,11 +647,6 @@
pinctrl-0 = <&mcspi3_pins>;
};

-&mcspi4 {
- pinctrl-names = "default";
- pinctrl-0 = <&mcspi4_pins>;
-};
-
&uart1 {
pinctrl-names = "default";
pinctrl-0 = <&uart1_pins>;
diff --git a/arch/arm/boot/dts/sama5d4.dtsi b/arch/arm/boot/dts/sama5d4.dtsi
index 8d1de29e8da1..fb92481e60d4 100644
--- a/arch/arm/boot/dts/sama5d4.dtsi
+++ b/arch/arm/boot/dts/sama5d4.dtsi
@@ -939,11 +939,11 @@
reg = <0xf8018000 0x4000>;
interrupts = <33 IRQ_TYPE_LEVEL_HIGH 6>;
dmas = <&dma1
- (AT91_XDMAC_DT_MEM_IF(0) | AT91_XDMAC_DT_PER_IF(1))
- AT91_XDMAC_DT_PERID(4)>,
+ (AT91_XDMAC_DT_MEM_IF(0) | AT91_XDMAC_DT_PER_IF(1)
+ | AT91_XDMAC_DT_PERID(4))>,
<&dma1
- (AT91_XDMAC_DT_MEM_IF(0) | AT91_XDMAC_DT_PER_IF(1))
- AT91_XDMAC_DT_PERID(5)>;
+ (AT91_XDMAC_DT_MEM_IF(0) | AT91_XDMAC_DT_PER_IF(1)
+ | AT91_XDMAC_DT_PERID(5))>;
dma-names = "tx", "rx";
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_i2c1>;
diff --git a/arch/arm/boot/dts/sun6i-a31-hummingbird.dts b/arch/arm/boot/dts/sun6i-a31-hummingbird.dts
index d0cfadac0691..18f26ca4e375 100644
--- a/arch/arm/boot/dts/sun6i-a31-hummingbird.dts
+++ b/arch/arm/boot/dts/sun6i-a31-hummingbird.dts
@@ -184,18 +184,18 @@
regulator-name = "vcc-3v0";
};

- vdd_cpu: dcdc2 {
+ vdd_gpu: dcdc2 {
regulator-always-on;
regulator-min-microvolt = <700000>;
regulator-max-microvolt = <1320000>;
- regulator-name = "vdd-cpu";
+ regulator-name = "vdd-gpu";
};

- vdd_gpu: dcdc3 {
+ vdd_cpu: dcdc3 {
regulator-always-on;
regulator-min-microvolt = <700000>;
regulator-max-microvolt = <1320000>;
- regulator-name = "vdd-gpu";
+ regulator-name = "vdd-cpu";
};

vdd_sys_dll: dcdc4 {
diff --git a/arch/arm/common/edma.c b/arch/arm/common/edma.c
index 873dbfcc7dc9..56fc339571f9 100644
--- a/arch/arm/common/edma.c
+++ b/arch/arm/common/edma.c
@@ -406,7 +406,8 @@ static irqreturn_t dma_irq_handler(int irq, void *data)
BIT(slot));
if (edma_cc[ctlr]->intr_data[channel].callback)
edma_cc[ctlr]->intr_data[channel].callback(
- channel, EDMA_DMA_COMPLETE,
+ EDMA_CTLR_CHAN(ctlr, channel),
+ EDMA_DMA_COMPLETE,
edma_cc[ctlr]->intr_data[channel].data);
}
} while (sh_ipr);
@@ -460,7 +461,8 @@ static irqreturn_t dma_ccerr_handler(int irq, void *data)
if (edma_cc[ctlr]->intr_data[k].
callback) {
edma_cc[ctlr]->intr_data[k].
- callback(k,
+ callback(
+ EDMA_CTLR_CHAN(ctlr, k),
EDMA_DMA_CC_ERROR,
edma_cc[ctlr]->intr_data
[k].data);
diff --git a/arch/arm/include/asm/irq.h b/arch/arm/include/asm/irq.h
index be1d07d59ee9..1bd9510de1b9 100644
--- a/arch/arm/include/asm/irq.h
+++ b/arch/arm/include/asm/irq.h
@@ -40,6 +40,11 @@ extern void arch_trigger_all_cpu_backtrace(bool);
#define arch_trigger_all_cpu_backtrace(x) arch_trigger_all_cpu_backtrace(x)
#endif

+static inline int nr_legacy_irqs(void)
+{
+ return NR_IRQS_LEGACY;
+}
+
#endif

#endif
diff --git a/arch/arm/mach-at91/pm_suspend.S b/arch/arm/mach-at91/pm_suspend.S
index 0d95f488b47a..a25defda3d22 100644
--- a/arch/arm/mach-at91/pm_suspend.S
+++ b/arch/arm/mach-at91/pm_suspend.S
@@ -80,6 +80,8 @@ tmp2 .req r5
* @r2: base address of second SDRAM Controller or 0 if not present
* @r3: pm information
*/
+/* at91_pm_suspend_in_sram must be 8-byte aligned per the requirements of fncpy() */
+ .align 3
ENTRY(at91_pm_suspend_in_sram)
/* Save registers on stack */
stmfd sp!, {r4 - r12, lr}
diff --git a/arch/arm/mach-pxa/include/mach/pxa27x.h b/arch/arm/mach-pxa/include/mach/pxa27x.h
index 599b925a657c..1a4291936c58 100644
--- a/arch/arm/mach-pxa/include/mach/pxa27x.h
+++ b/arch/arm/mach-pxa/include/mach/pxa27x.h
@@ -19,7 +19,7 @@
#define ARB_CORE_PARK (1<<24) /* Be parked with core when idle */
#define ARB_LOCK_FLAG (1<<23) /* Only Locking masters gain access to the bus */

-extern int __init pxa27x_set_pwrmode(unsigned int mode);
+extern int pxa27x_set_pwrmode(unsigned int mode);
extern void pxa27x_cpu_pm_enter(suspend_state_t state);

#endif /* __MACH_PXA27x_H */
diff --git a/arch/arm/mach-pxa/pxa27x.c b/arch/arm/mach-pxa/pxa27x.c
index 221260d5d109..ffc424028557 100644
--- a/arch/arm/mach-pxa/pxa27x.c
+++ b/arch/arm/mach-pxa/pxa27x.c
@@ -84,7 +84,7 @@ EXPORT_SYMBOL_GPL(pxa27x_configure_ac97reset);
*/
static unsigned int pwrmode = PWRMODE_SLEEP;

-int __init pxa27x_set_pwrmode(unsigned int mode)
+int pxa27x_set_pwrmode(unsigned int mode)
{
switch (mode) {
case PWRMODE_SLEEP:
diff --git a/arch/arm/mach-tegra/board-paz00.c b/arch/arm/mach-tegra/board-paz00.c
index fbe74c6806f3..49d1110cff53 100644
--- a/arch/arm/mach-tegra/board-paz00.c
+++ b/arch/arm/mach-tegra/board-paz00.c
@@ -39,8 +39,8 @@ static struct platform_device wifi_rfkill_device = {
static struct gpiod_lookup_table wifi_gpio_lookup = {
.dev_id = "rfkill_gpio",
.table = {
- GPIO_LOOKUP_IDX("tegra-gpio", 25, NULL, 0, 0),
- GPIO_LOOKUP_IDX("tegra-gpio", 85, NULL, 1, 0),
+ GPIO_LOOKUP("tegra-gpio", 25, "reset", 0),
+ GPIO_LOOKUP("tegra-gpio", 85, "shutdown", 0),
{ },
},
};
diff --git a/arch/arm/mm/dma-mapping.c b/arch/arm/mm/dma-mapping.c
index 1a7815e5421b..ad4eb2d26e16 100644
--- a/arch/arm/mm/dma-mapping.c
+++ b/arch/arm/mm/dma-mapping.c
@@ -1407,12 +1407,19 @@ static int arm_iommu_mmap_attrs(struct device *dev, struct vm_area_struct *vma,
unsigned long uaddr = vma->vm_start;
unsigned long usize = vma->vm_end - vma->vm_start;
struct page **pages = __iommu_get_pages(cpu_addr, attrs);
+ unsigned long nr_pages = PAGE_ALIGN(size) >> PAGE_SHIFT;
+ unsigned long off = vma->vm_pgoff;

vma->vm_page_prot = __get_dma_pgprot(attrs, vma->vm_page_prot);

if (!pages)
return -ENXIO;

+ if (off >= nr_pages || (usize >> PAGE_SHIFT) > nr_pages - off)
+ return -ENXIO;
+
+ pages += off;
+
do {
int ret = vm_insert_page(vma, uaddr, *pages++);
if (ret) {
diff --git a/arch/arm/vdso/vdsomunge.c b/arch/arm/vdso/vdsomunge.c
index 0cebd98cd88c..f6455273b2f8 100644
--- a/arch/arm/vdso/vdsomunge.c
+++ b/arch/arm/vdso/vdsomunge.c
@@ -66,7 +66,7 @@
((((x) & 0x000000ff) << 24) | \
(((x) & 0x0000ff00) << 8) | \
(((x) & 0x00ff0000) >> 8) | \
- (((x) & 0xff000000) << 24))
+ (((x) & 0xff000000) >> 24))

#if __BYTE_ORDER__ == __ORDER_LITTLE_ENDIAN__
#define HOST_ORDER ELFDATA2LSB
diff --git a/arch/arm64/include/asm/irq.h b/arch/arm64/include/asm/irq.h
index bbb251b14746..8b9bf54105b3 100644
--- a/arch/arm64/include/asm/irq.h
+++ b/arch/arm64/include/asm/irq.h
@@ -21,4 +21,9 @@ static inline void acpi_irq_init(void)
}
#define acpi_irq_init acpi_irq_init

+static inline int nr_legacy_irqs(void)
+{
+ return 0;
+}
+
#endif
diff --git a/arch/arm64/include/asm/ptrace.h b/arch/arm64/include/asm/ptrace.h
index 536274ed292e..e9e5467e0bf4 100644
--- a/arch/arm64/include/asm/ptrace.h
+++ b/arch/arm64/include/asm/ptrace.h
@@ -83,14 +83,14 @@
#define compat_sp regs[13]
#define compat_lr regs[14]
#define compat_sp_hyp regs[15]
-#define compat_sp_irq regs[16]
-#define compat_lr_irq regs[17]
-#define compat_sp_svc regs[18]
-#define compat_lr_svc regs[19]
-#define compat_sp_abt regs[20]
-#define compat_lr_abt regs[21]
-#define compat_sp_und regs[22]
-#define compat_lr_und regs[23]
+#define compat_lr_irq regs[16]
+#define compat_sp_irq regs[17]
+#define compat_lr_svc regs[18]
+#define compat_sp_svc regs[19]
+#define compat_lr_abt regs[20]
+#define compat_sp_abt regs[21]
+#define compat_lr_und regs[22]
+#define compat_sp_und regs[23]
#define compat_r8_fiq regs[24]
#define compat_r9_fiq regs[25]
#define compat_r10_fiq regs[26]
diff --git a/arch/arm64/kernel/vmlinux.lds.S b/arch/arm64/kernel/vmlinux.lds.S
index 98073332e2d0..4d77757b5894 100644
--- a/arch/arm64/kernel/vmlinux.lds.S
+++ b/arch/arm64/kernel/vmlinux.lds.S
@@ -60,9 +60,12 @@ PECOFF_FILE_ALIGNMENT = 0x200;
#define PECOFF_EDATA_PADDING
#endif

-#ifdef CONFIG_DEBUG_ALIGN_RODATA
+#if defined(CONFIG_DEBUG_ALIGN_RODATA)
#define ALIGN_DEBUG_RO . = ALIGN(1<<SECTION_SHIFT);
#define ALIGN_DEBUG_RO_MIN(min) ALIGN_DEBUG_RO
+#elif defined(CONFIG_DEBUG_RODATA)
+#define ALIGN_DEBUG_RO . = ALIGN(1<<PAGE_SHIFT);
+#define ALIGN_DEBUG_RO_MIN(min) ALIGN_DEBUG_RO
#else
#define ALIGN_DEBUG_RO
#define ALIGN_DEBUG_RO_MIN(min) . = ALIGN(min);
diff --git a/arch/mips/ath79/setup.c b/arch/mips/ath79/setup.c
index 1ba21204ebe0..9a0013703579 100644
--- a/arch/mips/ath79/setup.c
+++ b/arch/mips/ath79/setup.c
@@ -216,9 +216,9 @@ void __init plat_mem_setup(void)
AR71XX_RESET_SIZE);
ath79_pll_base = ioremap_nocache(AR71XX_PLL_BASE,
AR71XX_PLL_SIZE);
+ ath79_detect_sys_type();
ath79_ddr_ctrl_init();

- ath79_detect_sys_type();
if (mips_machtype != ATH79_MACH_GENERIC_OF)
detect_memory_region(0, ATH79_MEM_SIZE_MIN, ATH79_MEM_SIZE_MAX);

diff --git a/arch/mips/include/asm/cdmm.h b/arch/mips/include/asm/cdmm.h
index bece2064cc8c..c06dbf8ba937 100644
--- a/arch/mips/include/asm/cdmm.h
+++ b/arch/mips/include/asm/cdmm.h
@@ -84,6 +84,17 @@ void mips_cdmm_driver_unregister(struct mips_cdmm_driver *);
module_driver(__mips_cdmm_driver, mips_cdmm_driver_register, \
mips_cdmm_driver_unregister)

+/*
+ * builtin_mips_cdmm_driver() - Helper macro for drivers that don't do anything
+ * special in init and have no exit. This eliminates some boilerplate. Each
+ * driver may only use this macro once, and calling it replaces device_initcall
+ * (or in some cases, the legacy __initcall). This is meant to be a direct
+ * parallel of module_mips_cdmm_driver() above but without the __exit stuff that
+ * is not used for builtin cases.
+ */
+#define builtin_mips_cdmm_driver(__mips_cdmm_driver) \
+ builtin_driver(__mips_cdmm_driver, mips_cdmm_driver_register)
+
/* drivers/tty/mips_ejtag_fdc.c */

#ifdef CONFIG_MIPS_EJTAG_FDC_EARLYCON
diff --git a/arch/mips/kvm/emulate.c b/arch/mips/kvm/emulate.c
index d5fa3eaf39a1..41b1b090f56f 100644
--- a/arch/mips/kvm/emulate.c
+++ b/arch/mips/kvm/emulate.c
@@ -1581,7 +1581,7 @@ enum emulation_result kvm_mips_emulate_cache(uint32_t inst, uint32_t *opc,

base = (inst >> 21) & 0x1f;
op_inst = (inst >> 16) & 0x1f;
- offset = inst & 0xffff;
+ offset = (int16_t)inst;
cache = (inst >> 16) & 0x3;
op = (inst >> 18) & 0x7;

diff --git a/arch/mips/kvm/locore.S b/arch/mips/kvm/locore.S
index c567240386a0..d1ee95a7f7dd 100644
--- a/arch/mips/kvm/locore.S
+++ b/arch/mips/kvm/locore.S
@@ -165,9 +165,11 @@ FEXPORT(__kvm_mips_vcpu_run)

FEXPORT(__kvm_mips_load_asid)
/* Set the ASID for the Guest Kernel */
- INT_SLL t0, t0, 1 /* with kseg0 @ 0x40000000, kernel */
- /* addresses shift to 0x80000000 */
- bltz t0, 1f /* If kernel */
+ PTR_L t0, VCPU_COP0(k1)
+ LONG_L t0, COP0_STATUS(t0)
+ andi t0, KSU_USER | ST0_ERL | ST0_EXL
+ xori t0, KSU_USER
+ bnez t0, 1f /* If kernel */
INT_ADDIU t1, k1, VCPU_GUEST_KERNEL_ASID /* (BD) */
INT_ADDIU t1, k1, VCPU_GUEST_USER_ASID /* else user */
1:
@@ -482,9 +484,11 @@ __kvm_mips_return_to_guest:
mtc0 t0, CP0_EPC

/* Set the ASID for the Guest Kernel */
- INT_SLL t0, t0, 1 /* with kseg0 @ 0x40000000, kernel */
- /* addresses shift to 0x80000000 */
- bltz t0, 1f /* If kernel */
+ PTR_L t0, VCPU_COP0(k1)
+ LONG_L t0, COP0_STATUS(t0)
+ andi t0, KSU_USER | ST0_ERL | ST0_EXL
+ xori t0, KSU_USER
+ bnez t0, 1f /* If kernel */
INT_ADDIU t1, k1, VCPU_GUEST_KERNEL_ASID /* (BD) */
INT_ADDIU t1, k1, VCPU_GUEST_USER_ASID /* else user */
1:
diff --git a/arch/mips/kvm/mips.c b/arch/mips/kvm/mips.c
index 49ff3bfc007e..b9b803facdbf 100644
--- a/arch/mips/kvm/mips.c
+++ b/arch/mips/kvm/mips.c
@@ -279,7 +279,7 @@ struct kvm_vcpu *kvm_arch_vcpu_create(struct kvm *kvm, unsigned int id)

if (!gebase) {
err = -ENOMEM;
- goto out_free_cpu;
+ goto out_uninit_cpu;
}
kvm_debug("Allocated %d bytes for KVM Exception Handlers @ %p\n",
ALIGN(size, PAGE_SIZE), gebase);
@@ -343,6 +343,9 @@ struct kvm_vcpu *kvm_arch_vcpu_create(struct kvm *kvm, unsigned int id)
out_free_gebase:
kfree(gebase);

+out_uninit_cpu:
+ kvm_vcpu_uninit(vcpu);
+
out_free_cpu:
kfree(vcpu);

diff --git a/arch/mips/lantiq/clk.c b/arch/mips/lantiq/clk.c
index 3fc2e6d70c77..a0706fd4ce0a 100644
--- a/arch/mips/lantiq/clk.c
+++ b/arch/mips/lantiq/clk.c
@@ -99,6 +99,23 @@ int clk_set_rate(struct clk *clk, unsigned long rate)
}
EXPORT_SYMBOL(clk_set_rate);

+long clk_round_rate(struct clk *clk, unsigned long rate)
+{
+ if (unlikely(!clk_good(clk)))
+ return 0;
+ if (clk->rates && *clk->rates) {
+ unsigned long *r = clk->rates;
+
+ while (*r && (*r != rate))
+ r++;
+ if (!*r) {
+ return clk->rate;
+ }
+ }
+ return rate;
+}
+EXPORT_SYMBOL(clk_round_rate);
+
int clk_enable(struct clk *clk)
{
if (unlikely(!clk_good(clk)))
diff --git a/arch/s390/kernel/ptrace.c b/arch/s390/kernel/ptrace.c
index 8b1c8e33f184..d319f36f7d1d 100644
--- a/arch/s390/kernel/ptrace.c
+++ b/arch/s390/kernel/ptrace.c
@@ -244,7 +244,7 @@ static unsigned long __peek_user(struct task_struct *child, addr_t addr)
((addr_t) child->thread.fpu.vxrs + 2*offset);
else
tmp = *(addr_t *)
- ((addr_t) &child->thread.fpu.fprs + offset);
+ ((addr_t) child->thread.fpu.fprs + offset);

} else if (addr < (addr_t) (&dummy->regs.per_info + 1)) {
/*
@@ -388,7 +388,7 @@ static int __poke_user(struct task_struct *child, addr_t addr, addr_t data)
child->thread.fpu.vxrs + 2*offset) = data;
else
*(addr_t *)((addr_t)
- &child->thread.fpu.fprs + offset) = data;
+ child->thread.fpu.fprs + offset) = data;

} else if (addr < (addr_t) (&dummy->regs.per_info + 1)) {
/*
@@ -622,7 +622,7 @@ static u32 __peek_user_compat(struct task_struct *child, addr_t addr)
((addr_t) child->thread.fpu.vxrs + 2*offset);
else
tmp = *(__u32 *)
- ((addr_t) &child->thread.fpu.fprs + offset);
+ ((addr_t) child->thread.fpu.fprs + offset);

} else if (addr < (addr_t) (&dummy32->regs.per_info + 1)) {
/*
@@ -747,7 +747,7 @@ static int __poke_user_compat(struct task_struct *child,
child->thread.fpu.vxrs + 2*offset) = tmp;
else
*(__u32 *)((addr_t)
- &child->thread.fpu.fprs + offset) = tmp;
+ child->thread.fpu.fprs + offset) = tmp;

} else if (addr < (addr_t) (&dummy32->regs.per_info + 1)) {
/*
diff --git a/arch/s390/kvm/interrupt.c b/arch/s390/kvm/interrupt.c
index 5c2c169395c3..08de785c9e63 100644
--- a/arch/s390/kvm/interrupt.c
+++ b/arch/s390/kvm/interrupt.c
@@ -1057,8 +1057,7 @@ static int __inject_extcall(struct kvm_vcpu *vcpu, struct kvm_s390_irq *irq)
src_id, 0);

/* sending vcpu invalid */
- if (src_id >= KVM_MAX_VCPUS ||
- kvm_get_vcpu(vcpu->kvm, src_id) == NULL)
+ if (kvm_get_vcpu_by_id(vcpu->kvm, src_id) == NULL)
return -EINVAL;

if (sclp.has_sigpif)
@@ -1137,6 +1136,10 @@ static int __inject_sigp_emergency(struct kvm_vcpu *vcpu,
trace_kvm_s390_inject_vcpu(vcpu->vcpu_id, KVM_S390_INT_EMERGENCY,
irq->u.emerg.code, 0);

+ /* sending vcpu invalid */
+ if (kvm_get_vcpu_by_id(vcpu->kvm, irq->u.emerg.code) == NULL)
+ return -EINVAL;
+
set_bit(irq->u.emerg.code, li->sigp_emerg_pending);
set_bit(IRQ_PEND_EXT_EMERGENCY, &li->pending_irqs);
atomic_or(CPUSTAT_EXT_INT, li->cpuflags);
diff --git a/arch/s390/kvm/kvm-s390.c b/arch/s390/kvm/kvm-s390.c
index 0a67c40eece9..1290af83417a 100644
--- a/arch/s390/kvm/kvm-s390.c
+++ b/arch/s390/kvm/kvm-s390.c
@@ -342,12 +342,16 @@ static int kvm_vm_ioctl_enable_cap(struct kvm *kvm, struct kvm_enable_cap *cap)
r = 0;
break;
case KVM_CAP_S390_VECTOR_REGISTERS:
- if (MACHINE_HAS_VX) {
+ mutex_lock(&kvm->lock);
+ if (atomic_read(&kvm->online_vcpus)) {
+ r = -EBUSY;
+ } else if (MACHINE_HAS_VX) {
set_kvm_facility(kvm->arch.model.fac->mask, 129);
set_kvm_facility(kvm->arch.model.fac->list, 129);
r = 0;
} else
r = -EINVAL;
+ mutex_unlock(&kvm->lock);
VM_EVENT(kvm, 3, "ENABLE: CAP_S390_VECTOR_REGISTERS %s",
r ? "(not available)" : "(success)");
break;
@@ -1120,7 +1124,9 @@ int kvm_arch_init_vm(struct kvm *kvm, unsigned long type)
if (!kvm->arch.sca)
goto out_err;
spin_lock(&kvm_lock);
- sca_offset = (sca_offset + 16) & 0x7f0;
+ sca_offset += 16;
+ if (sca_offset + sizeof(struct sca_block) > PAGE_SIZE)
+ sca_offset = 0;
kvm->arch.sca = (struct sca_block *) ((char *) kvm->arch.sca + sca_offset);
spin_unlock(&kvm_lock);

diff --git a/arch/s390/kvm/sigp.c b/arch/s390/kvm/sigp.c
index da690b69f9fe..77c22d685c7a 100644
--- a/arch/s390/kvm/sigp.c
+++ b/arch/s390/kvm/sigp.c
@@ -291,12 +291,8 @@ static int handle_sigp_dst(struct kvm_vcpu *vcpu, u8 order_code,
u16 cpu_addr, u32 parameter, u64 *status_reg)
{
int rc;
- struct kvm_vcpu *dst_vcpu;
+ struct kvm_vcpu *dst_vcpu = kvm_get_vcpu_by_id(vcpu->kvm, cpu_addr);

- if (cpu_addr >= KVM_MAX_VCPUS)
- return SIGP_CC_NOT_OPERATIONAL;
-
- dst_vcpu = kvm_get_vcpu(vcpu->kvm, cpu_addr);
if (!dst_vcpu)
return SIGP_CC_NOT_OPERATIONAL;

@@ -478,7 +474,7 @@ int kvm_s390_handle_sigp_pei(struct kvm_vcpu *vcpu)
trace_kvm_s390_handle_sigp_pei(vcpu, order_code, cpu_addr);

if (order_code == SIGP_EXTERNAL_CALL) {
- dest_vcpu = kvm_get_vcpu(vcpu->kvm, cpu_addr);
+ dest_vcpu = kvm_get_vcpu_by_id(vcpu->kvm, cpu_addr);
BUG_ON(dest_vcpu == NULL);

kvm_s390_vcpu_wakeup(dest_vcpu);
diff --git a/arch/s390/pci/pci_insn.c b/arch/s390/pci/pci_insn.c
index dcc2634ccbe2..10ca15dcab11 100644
--- a/arch/s390/pci/pci_insn.c
+++ b/arch/s390/pci/pci_insn.c
@@ -16,11 +16,11 @@
static inline void zpci_err_insn(u8 cc, u8 status, u64 req, u64 offset)
{
struct {
- u8 cc;
- u8 status;
u64 req;
u64 offset;
- } data = {cc, status, req, offset};
+ u8 cc;
+ u8 status;
+ } __packed data = {req, offset, cc, status};

zpci_err_hex(&data, sizeof(data));
}
diff --git a/arch/x86/include/asm/i8259.h b/arch/x86/include/asm/i8259.h
index ccffa53750a8..39bcefc20de7 100644
--- a/arch/x86/include/asm/i8259.h
+++ b/arch/x86/include/asm/i8259.h
@@ -60,6 +60,7 @@ struct legacy_pic {
void (*mask_all)(void);
void (*restore_mask)(void);
void (*init)(int auto_eoi);
+ int (*probe)(void);
int (*irq_pending)(unsigned int irq);
void (*make_irq)(unsigned int irq);
};
diff --git a/arch/x86/include/asm/kvm_emulate.h b/arch/x86/include/asm/kvm_emulate.h
index e16466ec473c..e9cd7befcb76 100644
--- a/arch/x86/include/asm/kvm_emulate.h
+++ b/arch/x86/include/asm/kvm_emulate.h
@@ -112,6 +112,16 @@ struct x86_emulate_ops {
struct x86_exception *fault);

/*
+ * read_phys: Read bytes of standard (non-emulated/special) memory.
+ * Used for descriptor reading.
+ * @addr: [IN ] Physical address from which to read.
+ * @val: [OUT] Value read from memory.
+ * @bytes: [IN ] Number of bytes to read from memory.
+ */
+ int (*read_phys)(struct x86_emulate_ctxt *ctxt, unsigned long addr,
+ void *val, unsigned int bytes);
+
+ /*
* write_std: Write bytes of standard (non-emulated/special) memory.
* Used for descriptor writing.
* @addr: [IN ] Linear address to which to write.
diff --git a/arch/x86/include/uapi/asm/svm.h b/arch/x86/include/uapi/asm/svm.h
index b5d7640abc5d..8a4add8e4639 100644
--- a/arch/x86/include/uapi/asm/svm.h
+++ b/arch/x86/include/uapi/asm/svm.h
@@ -100,6 +100,7 @@
{ SVM_EXIT_EXCP_BASE + UD_VECTOR, "UD excp" }, \
{ SVM_EXIT_EXCP_BASE + PF_VECTOR, "PF excp" }, \
{ SVM_EXIT_EXCP_BASE + NM_VECTOR, "NM excp" }, \
+ { SVM_EXIT_EXCP_BASE + AC_VECTOR, "AC excp" }, \
{ SVM_EXIT_EXCP_BASE + MC_VECTOR, "MC excp" }, \
{ SVM_EXIT_INTR, "interrupt" }, \
{ SVM_EXIT_NMI, "nmi" }, \
diff --git a/arch/x86/kernel/apic/vector.c b/arch/x86/kernel/apic/vector.c
index 836d11b92811..861bc59c8f25 100644
--- a/arch/x86/kernel/apic/vector.c
+++ b/arch/x86/kernel/apic/vector.c
@@ -361,7 +361,11 @@ int __init arch_probe_nr_irqs(void)
if (nr < nr_irqs)
nr_irqs = nr;

- return nr_legacy_irqs();
+ /*
+ * We don't know if PIC is present at this point so we need to do
+ * probe() to get the right number of legacy IRQs.
+ */
+ return legacy_pic->probe();
}

#ifdef CONFIG_X86_IO_APIC
diff --git a/arch/x86/kernel/cpu/common.c b/arch/x86/kernel/cpu/common.c
index de22ea7ff82f..1a292573ddf7 100644
--- a/arch/x86/kernel/cpu/common.c
+++ b/arch/x86/kernel/cpu/common.c
@@ -273,10 +273,9 @@ __setup("nosmap", setup_disable_smap);

static __always_inline void setup_smap(struct cpuinfo_x86 *c)
{
- unsigned long eflags;
+ unsigned long eflags = native_save_fl();

/* This should have been cleared long ago */
- raw_local_save_flags(eflags);
BUG_ON(eflags & X86_EFLAGS_AC);

if (cpu_has(c, X86_FEATURE_SMAP)) {
diff --git a/arch/x86/kernel/fpu/signal.c b/arch/x86/kernel/fpu/signal.c
index 50ec9af1bd51..6545e6ddbfb1 100644
--- a/arch/x86/kernel/fpu/signal.c
+++ b/arch/x86/kernel/fpu/signal.c
@@ -385,20 +385,19 @@ fpu__alloc_mathframe(unsigned long sp, int ia32_frame,
*/
void fpu__init_prepare_fx_sw_frame(void)
{
- int fsave_header_size = sizeof(struct fregs_state);
int size = xstate_size + FP_XSTATE_MAGIC2_SIZE;

- if (config_enabled(CONFIG_X86_32))
- size += fsave_header_size;
-
fx_sw_reserved.magic1 = FP_XSTATE_MAGIC1;
fx_sw_reserved.extended_size = size;
fx_sw_reserved.xfeatures = xfeatures_mask;
fx_sw_reserved.xstate_size = xstate_size;

- if (config_enabled(CONFIG_IA32_EMULATION)) {
+ if (config_enabled(CONFIG_IA32_EMULATION) ||
+ config_enabled(CONFIG_X86_32)) {
+ int fsave_header_size = sizeof(struct fregs_state);
+
fx_sw_reserved_ia32 = fx_sw_reserved;
- fx_sw_reserved_ia32.extended_size += fsave_header_size;
+ fx_sw_reserved_ia32.extended_size = size + fsave_header_size;
}
}

diff --git a/arch/x86/kernel/fpu/xstate.c b/arch/x86/kernel/fpu/xstate.c
index 62fc001c7846..2c4ac072a702 100644
--- a/arch/x86/kernel/fpu/xstate.c
+++ b/arch/x86/kernel/fpu/xstate.c
@@ -402,7 +402,6 @@ void *get_xsave_addr(struct xregs_state *xsave, int xstate_feature)
if (!boot_cpu_has(X86_FEATURE_XSAVE))
return NULL;

- xsave = &current->thread.fpu.state.xsave;
/*
* We should not ever be requesting features that we
* have not enabled. Remember that pcntxt_mask is
diff --git a/arch/x86/kernel/head_64.S b/arch/x86/kernel/head_64.S
index 1d40ca8a73f2..ffdc0e860390 100644
--- a/arch/x86/kernel/head_64.S
+++ b/arch/x86/kernel/head_64.S
@@ -65,6 +65,9 @@ startup_64:
* tables and then reload them.
*/

+ /* Sanitize CPU configuration */
+ call verify_cpu
+
/*
* Compute the delta between the address I am compiled to run at and the
* address I am actually running at.
@@ -174,6 +177,9 @@ ENTRY(secondary_startup_64)
* after the boot processor executes this code.
*/

+ /* Sanitize CPU configuration */
+ call verify_cpu
+
movq $(init_level4_pgt - __START_KERNEL_map), %rax
1:

@@ -288,6 +294,8 @@ ENTRY(secondary_startup_64)
pushq %rax # target address in negative space
lretq

+#include "verify_cpu.S"
+
#ifdef CONFIG_HOTPLUG_CPU
/*
* Boot CPU0 entry point. It's called from play_dead(). Everything has been set
diff --git a/arch/x86/kernel/i8259.c b/arch/x86/kernel/i8259.c
index 16cb827a5b27..be22f5a2192e 100644
--- a/arch/x86/kernel/i8259.c
+++ b/arch/x86/kernel/i8259.c
@@ -295,16 +295,11 @@ static void unmask_8259A(void)
raw_spin_unlock_irqrestore(&i8259A_lock, flags);
}

-static void init_8259A(int auto_eoi)
+static int probe_8259A(void)
{
unsigned long flags;
unsigned char probe_val = ~(1 << PIC_CASCADE_IR);
unsigned char new_val;
-
- i8259A_auto_eoi = auto_eoi;
-
- raw_spin_lock_irqsave(&i8259A_lock, flags);
-
/*
* Check to see if we have a PIC.
* Mask all except the cascade and read
@@ -312,16 +307,28 @@ static void init_8259A(int auto_eoi)
* have a PIC, we will read 0xff as opposed to the
* value we wrote.
*/
+ raw_spin_lock_irqsave(&i8259A_lock, flags);
+
outb(0xff, PIC_SLAVE_IMR); /* mask all of 8259A-2 */
outb(probe_val, PIC_MASTER_IMR);
new_val = inb(PIC_MASTER_IMR);
if (new_val != probe_val) {
printk(KERN_INFO "Using NULL legacy PIC\n");
legacy_pic = &null_legacy_pic;
- raw_spin_unlock_irqrestore(&i8259A_lock, flags);
- return;
}

+ raw_spin_unlock_irqrestore(&i8259A_lock, flags);
+ return nr_legacy_irqs();
+}
+
+static void init_8259A(int auto_eoi)
+{
+ unsigned long flags;
+
+ i8259A_auto_eoi = auto_eoi;
+
+ raw_spin_lock_irqsave(&i8259A_lock, flags);
+
outb(0xff, PIC_MASTER_IMR); /* mask all of 8259A-1 */

/*
@@ -379,6 +386,10 @@ static int legacy_pic_irq_pending_noop(unsigned int irq)
{
return 0;
}
+static int legacy_pic_probe(void)
+{
+ return 0;
+}

struct legacy_pic null_legacy_pic = {
.nr_legacy_irqs = 0,
@@ -388,6 +399,7 @@ struct legacy_pic null_legacy_pic = {
.mask_all = legacy_pic_noop,
.restore_mask = legacy_pic_noop,
.init = legacy_pic_int_noop,
+ .probe = legacy_pic_probe,
.irq_pending = legacy_pic_irq_pending_noop,
.make_irq = legacy_pic_uint_noop,
};
@@ -400,6 +412,7 @@ struct legacy_pic default_legacy_pic = {
.mask_all = mask_8259A,
.restore_mask = unmask_8259A,
.init = init_8259A,
+ .probe = probe_8259A,
.irq_pending = i8259A_irq_pending,
.make_irq = make_8259A_irq,
};
diff --git a/arch/x86/kernel/setup.c b/arch/x86/kernel/setup.c
index a3cccbfc5f77..37c8ea8e75ff 100644
--- a/arch/x86/kernel/setup.c
+++ b/arch/x86/kernel/setup.c
@@ -1180,7 +1180,7 @@ void __init setup_arch(char **cmdline_p)
*/
clone_pgd_range(initial_page_table,
swapper_pg_dir + KERNEL_PGD_BOUNDARY,
- KERNEL_PGD_PTRS);
+ min(KERNEL_PGD_PTRS, KERNEL_PGD_BOUNDARY));
#endif

tboot_probe();
diff --git a/arch/x86/kernel/verify_cpu.S b/arch/x86/kernel/verify_cpu.S
index b9242bacbe59..4cf401f581e7 100644
--- a/arch/x86/kernel/verify_cpu.S
+++ b/arch/x86/kernel/verify_cpu.S
@@ -34,10 +34,11 @@
#include <asm/msr-index.h>

verify_cpu:
- pushfl # Save caller passed flags
- pushl $0 # Kill any dangerous flags
- popfl
+ pushf # Save caller passed flags
+ push $0 # Kill any dangerous flags
+ popf

+#ifndef __x86_64__
pushfl # standard way to check for cpuid
popl %eax
movl %eax,%ebx
@@ -48,6 +49,7 @@ verify_cpu:
popl %eax
cmpl %eax,%ebx
jz verify_cpu_no_longmode # cpu has no cpuid
+#endif

movl $0x0,%eax # See if cpuid 1 is implemented
cpuid
@@ -130,10 +132,10 @@ verify_cpu_sse_test:
jmp verify_cpu_sse_test # try again

verify_cpu_no_longmode:
- popfl # Restore caller passed flags
+ popf # Restore caller passed flags
movl $1,%eax
ret
verify_cpu_sse_ok:
- popfl # Restore caller passed flags
+ popf # Restore caller passed flags
xorl %eax, %eax
ret
diff --git a/arch/x86/kvm/emulate.c b/arch/x86/kvm/emulate.c
index 9da95b9daf8d..1505587d06e9 100644
--- a/arch/x86/kvm/emulate.c
+++ b/arch/x86/kvm/emulate.c
@@ -2272,8 +2272,8 @@ static int emulator_has_longmode(struct x86_emulate_ctxt *ctxt)
#define GET_SMSTATE(type, smbase, offset) \
({ \
type __val; \
- int r = ctxt->ops->read_std(ctxt, smbase + offset, &__val, \
- sizeof(__val), NULL); \
+ int r = ctxt->ops->read_phys(ctxt, smbase + offset, &__val, \
+ sizeof(__val)); \
if (r != X86EMUL_CONTINUE) \
return X86EMUL_UNHANDLEABLE; \
__val; \
@@ -2484,17 +2484,36 @@ static int em_rsm(struct x86_emulate_ctxt *ctxt)

/*
* Get back to real mode, to prepare a safe state in which to load
- * CR0/CR3/CR4/EFER. Also this will ensure that addresses passed
- * to read_std/write_std are not virtual.
- *
- * CR4.PCIDE must be zero, because it is a 64-bit mode only feature.
+ * CR0/CR3/CR4/EFER. It's all a bit more complicated if the vCPU
+ * supports long mode.
*/
+ cr4 = ctxt->ops->get_cr(ctxt, 4);
+ if (emulator_has_longmode(ctxt)) {
+ struct desc_struct cs_desc;
+
+ /* Zero CR4.PCIDE before CR0.PG. */
+ if (cr4 & X86_CR4_PCIDE) {
+ ctxt->ops->set_cr(ctxt, 4, cr4 & ~X86_CR4_PCIDE);
+ cr4 &= ~X86_CR4_PCIDE;
+ }
+
+ /* A 32-bit code segment is required to clear EFER.LMA. */
+ memset(&cs_desc, 0, sizeof(cs_desc));
+ cs_desc.type = 0xb;
+ cs_desc.s = cs_desc.g = cs_desc.p = 1;
+ ctxt->ops->set_segment(ctxt, 0, &cs_desc, 0, VCPU_SREG_CS);
+ }
+
+ /* For the 64-bit case, this will clear EFER.LMA. */
cr0 = ctxt->ops->get_cr(ctxt, 0);
if (cr0 & X86_CR0_PE)
ctxt->ops->set_cr(ctxt, 0, cr0 & ~(X86_CR0_PG | X86_CR0_PE));
- cr4 = ctxt->ops->get_cr(ctxt, 4);
+
+ /* Now clear CR4.PAE (which must be done before clearing EFER.LME). */
if (cr4 & X86_CR4_PAE)
ctxt->ops->set_cr(ctxt, 4, cr4 & ~X86_CR4_PAE);
+
+ /* And finally go back to 32-bit mode. */
efer = 0;
ctxt->ops->set_msr(ctxt, MSR_EFER, efer);

@@ -4455,7 +4474,7 @@ static const struct opcode twobyte_table[256] = {
F(DstMem | SrcReg | Src2CL | ModRM, em_shld), N, N,
/* 0xA8 - 0xAF */
I(Stack | Src2GS, em_push_sreg), I(Stack | Src2GS, em_pop_sreg),
- II(No64 | EmulateOnUD | ImplicitOps, em_rsm, rsm),
+ II(EmulateOnUD | ImplicitOps, em_rsm, rsm),
F(DstMem | SrcReg | ModRM | BitOp | Lock | PageTable, em_bts),
F(DstMem | SrcReg | Src2ImmByte | ModRM, em_shrd),
F(DstMem | SrcReg | Src2CL | ModRM, em_shrd),
diff --git a/arch/x86/kvm/lapic.c b/arch/x86/kvm/lapic.c
index 8d9013c5e1ee..ae4483a3e1a7 100644
--- a/arch/x86/kvm/lapic.c
+++ b/arch/x86/kvm/lapic.c
@@ -348,6 +348,8 @@ void kvm_apic_update_irr(struct kvm_vcpu *vcpu, u32 *pir)
struct kvm_lapic *apic = vcpu->arch.apic;

__kvm_apic_update_irr(pir, apic->regs);
+
+ kvm_make_request(KVM_REQ_EVENT, vcpu);
}
EXPORT_SYMBOL_GPL(kvm_apic_update_irr);

diff --git a/arch/x86/kvm/svm.c b/arch/x86/kvm/svm.c
index 2f9ed1ff0632..d7f89387ba0c 100644
--- a/arch/x86/kvm/svm.c
+++ b/arch/x86/kvm/svm.c
@@ -1086,7 +1086,7 @@ static u64 svm_compute_tsc_offset(struct kvm_vcpu *vcpu, u64 target_tsc)
return target_tsc - tsc;
}

-static void init_vmcb(struct vcpu_svm *svm, bool init_event)
+static void init_vmcb(struct vcpu_svm *svm)
{
struct vmcb_control_area *control = &svm->vmcb->control;
struct vmcb_save_area *save = &svm->vmcb->save;
@@ -1107,6 +1107,7 @@ static void init_vmcb(struct vcpu_svm *svm, bool init_event)
set_exception_intercept(svm, PF_VECTOR);
set_exception_intercept(svm, UD_VECTOR);
set_exception_intercept(svm, MC_VECTOR);
+ set_exception_intercept(svm, AC_VECTOR);

set_intercept(svm, INTERCEPT_INTR);
set_intercept(svm, INTERCEPT_NMI);
@@ -1157,8 +1158,7 @@ static void init_vmcb(struct vcpu_svm *svm, bool init_event)
init_sys_seg(&save->ldtr, SEG_TYPE_LDT);
init_sys_seg(&save->tr, SEG_TYPE_BUSY_TSS16);

- if (!init_event)
- svm_set_efer(&svm->vcpu, 0);
+ svm_set_efer(&svm->vcpu, 0);
save->dr6 = 0xffff0ff0;
kvm_set_rflags(&svm->vcpu, 2);
save->rip = 0x0000fff0;
@@ -1212,7 +1212,7 @@ static void svm_vcpu_reset(struct kvm_vcpu *vcpu, bool init_event)
if (kvm_vcpu_is_reset_bsp(&svm->vcpu))
svm->vcpu.arch.apic_base |= MSR_IA32_APICBASE_BSP;
}
- init_vmcb(svm, init_event);
+ init_vmcb(svm);

kvm_cpuid(vcpu, &eax, &dummy, &dummy, &dummy);
kvm_register_write(vcpu, VCPU_REGS_RDX, eax);
@@ -1268,7 +1268,7 @@ static struct kvm_vcpu *svm_create_vcpu(struct kvm *kvm, unsigned int id)
clear_page(svm->vmcb);
svm->vmcb_pa = page_to_pfn(page) << PAGE_SHIFT;
svm->asid_generation = 0;
- init_vmcb(svm, false);
+ init_vmcb(svm);

svm_init_osvw(&svm->vcpu);

@@ -1796,6 +1796,12 @@ static int ud_interception(struct vcpu_svm *svm)
return 1;
}

+static int ac_interception(struct vcpu_svm *svm)
+{
+ kvm_queue_exception_e(&svm->vcpu, AC_VECTOR, 0);
+ return 1;
+}
+
static void svm_fpu_activate(struct kvm_vcpu *vcpu)
{
struct vcpu_svm *svm = to_svm(vcpu);
@@ -1890,7 +1896,7 @@ static int shutdown_interception(struct vcpu_svm *svm)
* so reinitialize it.
*/
clear_page(svm->vmcb);
- init_vmcb(svm, false);
+ init_vmcb(svm);

kvm_run->exit_reason = KVM_EXIT_SHUTDOWN;
return 0;
@@ -3371,6 +3377,7 @@ static int (*const svm_exit_handlers[])(struct vcpu_svm *svm) = {
[SVM_EXIT_EXCP_BASE + PF_VECTOR] = pf_interception,
[SVM_EXIT_EXCP_BASE + NM_VECTOR] = nm_interception,
[SVM_EXIT_EXCP_BASE + MC_VECTOR] = mc_interception,
+ [SVM_EXIT_EXCP_BASE + AC_VECTOR] = ac_interception,
[SVM_EXIT_INTR] = intr_interception,
[SVM_EXIT_NMI] = nmi_interception,
[SVM_EXIT_SMI] = nop_on_interception,
diff --git a/arch/x86/kvm/vmx.c b/arch/x86/kvm/vmx.c
index 6a8bc64566ab..343d3692dd65 100644
--- a/arch/x86/kvm/vmx.c
+++ b/arch/x86/kvm/vmx.c
@@ -1567,7 +1567,7 @@ static void update_exception_bitmap(struct kvm_vcpu *vcpu)
u32 eb;

eb = (1u << PF_VECTOR) | (1u << UD_VECTOR) | (1u << MC_VECTOR) |
- (1u << NM_VECTOR) | (1u << DB_VECTOR);
+ (1u << NM_VECTOR) | (1u << DB_VECTOR) | (1u << AC_VECTOR);
if ((vcpu->guest_debug &
(KVM_GUESTDBG_ENABLE | KVM_GUESTDBG_USE_SW_BP)) ==
(KVM_GUESTDBG_ENABLE | KVM_GUESTDBG_USE_SW_BP))
@@ -4771,8 +4771,7 @@ static void vmx_vcpu_reset(struct kvm_vcpu *vcpu, bool init_event)
vmx_set_cr0(vcpu, cr0); /* enter rmode */
vmx->vcpu.arch.cr0 = cr0;
vmx_set_cr4(vcpu, 0);
- if (!init_event)
- vmx_set_efer(vcpu, 0);
+ vmx_set_efer(vcpu, 0);
vmx_fpu_activate(vcpu);
update_exception_bitmap(vcpu);

@@ -5104,6 +5103,9 @@ static int handle_exception(struct kvm_vcpu *vcpu)
return handle_rmode_exception(vcpu, ex_no, error_code);

switch (ex_no) {
+ case AC_VECTOR:
+ kvm_queue_exception_e(vcpu, AC_VECTOR, error_code);
+ return 1;
case DB_VECTOR:
dr6 = vmcs_readl(EXIT_QUALIFICATION);
if (!(vcpu->guest_debug &
diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c
index 9a9a19830321..43609af03283 100644
--- a/arch/x86/kvm/x86.c
+++ b/arch/x86/kvm/x86.c
@@ -622,7 +622,9 @@ int kvm_set_cr0(struct kvm_vcpu *vcpu, unsigned long cr0)
if ((cr0 ^ old_cr0) & update_bits)
kvm_mmu_reset_context(vcpu);

- if ((cr0 ^ old_cr0) & X86_CR0_CD)
+ if (((cr0 ^ old_cr0) & X86_CR0_CD) &&
+ kvm_arch_has_noncoherent_dma(vcpu->kvm) &&
+ !kvm_check_has_quirk(vcpu->kvm, KVM_X86_QUIRK_CD_NW_CLEARED))
kvm_zap_gfn_range(vcpu->kvm, 0, ~0ULL);

return 0;
@@ -4059,6 +4061,15 @@ static int kvm_read_guest_virt_system(struct x86_emulate_ctxt *ctxt,
return kvm_read_guest_virt_helper(addr, val, bytes, vcpu, 0, exception);
}

+static int kvm_read_guest_phys_system(struct x86_emulate_ctxt *ctxt,
+ unsigned long addr, void *val, unsigned int bytes)
+{
+ struct kvm_vcpu *vcpu = emul_to_vcpu(ctxt);
+ int r = kvm_vcpu_read_guest(vcpu, addr, val, bytes);
+
+ return r < 0 ? X86EMUL_IO_NEEDED : X86EMUL_CONTINUE;
+}
+
int kvm_write_guest_virt_system(struct x86_emulate_ctxt *ctxt,
gva_t addr, void *val,
unsigned int bytes,
@@ -4794,6 +4805,7 @@ static const struct x86_emulate_ops emulate_ops = {
.write_gpr = emulator_write_gpr,
.read_std = kvm_read_guest_virt_system,
.write_std = kvm_write_guest_virt_system,
+ .read_phys = kvm_read_guest_phys_system,
.fetch = kvm_fetch_guest_virt,
.read_emulated = emulator_read_emulated,
.write_emulated = emulator_write_emulated,
diff --git a/arch/x86/mm/mpx.c b/arch/x86/mm/mpx.c
index 134948b0926f..71fc79a58a15 100644
--- a/arch/x86/mm/mpx.c
+++ b/arch/x86/mm/mpx.c
@@ -585,6 +585,29 @@ static unsigned long mpx_bd_entry_to_bt_addr(struct mm_struct *mm,
}

/*
+ * We only want to do a 4-byte get_user() on 32-bit. Otherwise,
+ * we might run off the end of the bounds table if we are on
+ * a 64-bit kernel and try to get 8 bytes.
+ */
+int get_user_bd_entry(struct mm_struct *mm, unsigned long *bd_entry_ret,
+ long __user *bd_entry_ptr)
+{
+ u32 bd_entry_32;
+ int ret;
+
+ if (is_64bit_mm(mm))
+ return get_user(*bd_entry_ret, bd_entry_ptr);
+
+ /*
+ * Note that get_user() uses the type of the *pointer* to
+ * establish the size of the get, not the destination.
+ */
+ ret = get_user(bd_entry_32, (u32 __user *)bd_entry_ptr);
+ *bd_entry_ret = bd_entry_32;
+ return ret;
+}
+
+/*
* Get the base of bounds tables pointed by specific bounds
* directory entry.
*/
@@ -604,7 +627,7 @@ static int get_bt_addr(struct mm_struct *mm,
int need_write = 0;

pagefault_disable();
- ret = get_user(bd_entry, bd_entry_ptr);
+ ret = get_user_bd_entry(mm, &bd_entry, bd_entry_ptr);
pagefault_enable();
if (!ret)
break;
@@ -699,11 +722,23 @@ static unsigned long mpx_get_bt_entry_offset_bytes(struct mm_struct *mm,
*/
static inline unsigned long bd_entry_virt_space(struct mm_struct *mm)
{
- unsigned long long virt_space = (1ULL << boot_cpu_data.x86_virt_bits);
- if (is_64bit_mm(mm))
- return virt_space / MPX_BD_NR_ENTRIES_64;
- else
- return virt_space / MPX_BD_NR_ENTRIES_32;
+ unsigned long long virt_space;
+ unsigned long long GB = (1ULL << 30);
+
+ /*
+ * This covers 32-bit emulation as well as 32-bit kernels
+ * running on 64-bit harware.
+ */
+ if (!is_64bit_mm(mm))
+ return (4ULL * GB) / MPX_BD_NR_ENTRIES_32;
+
+ /*
+ * 'x86_virt_bits' returns what the hardware is capable
+ * of, and returns the full >32-bit adddress space when
+ * running 32-bit kernels on 64-bit hardware.
+ */
+ virt_space = (1ULL << boot_cpu_data.x86_virt_bits);
+ return virt_space / MPX_BD_NR_ENTRIES_64;
}

/*
diff --git a/drivers/bluetooth/ath3k.c b/drivers/bluetooth/ath3k.c
index e527a3e13939..fa893c3ec408 100644
--- a/drivers/bluetooth/ath3k.c
+++ b/drivers/bluetooth/ath3k.c
@@ -93,6 +93,7 @@ static const struct usb_device_id ath3k_table[] = {
{ USB_DEVICE(0x04CA, 0x300f) },
{ USB_DEVICE(0x04CA, 0x3010) },
{ USB_DEVICE(0x0930, 0x0219) },
+ { USB_DEVICE(0x0930, 0x021c) },
{ USB_DEVICE(0x0930, 0x0220) },
{ USB_DEVICE(0x0930, 0x0227) },
{ USB_DEVICE(0x0b05, 0x17d0) },
@@ -104,6 +105,7 @@ static const struct usb_device_id ath3k_table[] = {
{ USB_DEVICE(0x0CF3, 0x311F) },
{ USB_DEVICE(0x0cf3, 0x3121) },
{ USB_DEVICE(0x0CF3, 0x817a) },
+ { USB_DEVICE(0x0CF3, 0x817b) },
{ USB_DEVICE(0x0cf3, 0xe003) },
{ USB_DEVICE(0x0CF3, 0xE004) },
{ USB_DEVICE(0x0CF3, 0xE005) },
@@ -153,6 +155,7 @@ static const struct usb_device_id ath3k_blist_tbl[] = {
{ USB_DEVICE(0x04ca, 0x300f), .driver_info = BTUSB_ATH3012 },
{ USB_DEVICE(0x04ca, 0x3010), .driver_info = BTUSB_ATH3012 },
{ USB_DEVICE(0x0930, 0x0219), .driver_info = BTUSB_ATH3012 },
+ { USB_DEVICE(0x0930, 0x021c), .driver_info = BTUSB_ATH3012 },
{ USB_DEVICE(0x0930, 0x0220), .driver_info = BTUSB_ATH3012 },
{ USB_DEVICE(0x0930, 0x0227), .driver_info = BTUSB_ATH3012 },
{ USB_DEVICE(0x0b05, 0x17d0), .driver_info = BTUSB_ATH3012 },
@@ -164,6 +167,7 @@ static const struct usb_device_id ath3k_blist_tbl[] = {
{ USB_DEVICE(0x0cf3, 0x311F), .driver_info = BTUSB_ATH3012 },
{ USB_DEVICE(0x0cf3, 0x3121), .driver_info = BTUSB_ATH3012 },
{ USB_DEVICE(0x0CF3, 0x817a), .driver_info = BTUSB_ATH3012 },
+ { USB_DEVICE(0x0CF3, 0x817b), .driver_info = BTUSB_ATH3012 },
{ USB_DEVICE(0x0cf3, 0xe004), .driver_info = BTUSB_ATH3012 },
{ USB_DEVICE(0x0cf3, 0xe005), .driver_info = BTUSB_ATH3012 },
{ USB_DEVICE(0x0cf3, 0xe006), .driver_info = BTUSB_ATH3012 },
diff --git a/drivers/bluetooth/btusb.c b/drivers/bluetooth/btusb.c
index b6aceaf82aa8..3d0d643c8bff 100644
--- a/drivers/bluetooth/btusb.c
+++ b/drivers/bluetooth/btusb.c
@@ -195,6 +195,7 @@ static const struct usb_device_id blacklist_table[] = {
{ USB_DEVICE(0x04ca, 0x300f), .driver_info = BTUSB_ATH3012 },
{ USB_DEVICE(0x04ca, 0x3010), .driver_info = BTUSB_ATH3012 },
{ USB_DEVICE(0x0930, 0x0219), .driver_info = BTUSB_ATH3012 },
+ { USB_DEVICE(0x0930, 0x021c), .driver_info = BTUSB_ATH3012 },
{ USB_DEVICE(0x0930, 0x0220), .driver_info = BTUSB_ATH3012 },
{ USB_DEVICE(0x0930, 0x0227), .driver_info = BTUSB_ATH3012 },
{ USB_DEVICE(0x0b05, 0x17d0), .driver_info = BTUSB_ATH3012 },
@@ -206,6 +207,7 @@ static const struct usb_device_id blacklist_table[] = {
{ USB_DEVICE(0x0cf3, 0x311f), .driver_info = BTUSB_ATH3012 },
{ USB_DEVICE(0x0cf3, 0x3121), .driver_info = BTUSB_ATH3012 },
{ USB_DEVICE(0x0cf3, 0x817a), .driver_info = BTUSB_ATH3012 },
+ { USB_DEVICE(0x0cf3, 0x817b), .driver_info = BTUSB_ATH3012 },
{ USB_DEVICE(0x0cf3, 0xe003), .driver_info = BTUSB_ATH3012 },
{ USB_DEVICE(0x0cf3, 0xe004), .driver_info = BTUSB_ATH3012 },
{ USB_DEVICE(0x0cf3, 0xe005), .driver_info = BTUSB_ATH3012 },
diff --git a/drivers/clk/bcm/clk-iproc-pll.c b/drivers/clk/bcm/clk-iproc-pll.c
index 2dda4e8295a9..d679ab869653 100644
--- a/drivers/clk/bcm/clk-iproc-pll.c
+++ b/drivers/clk/bcm/clk-iproc-pll.c
@@ -345,8 +345,8 @@ static unsigned long iproc_pll_recalc_rate(struct clk_hw *hw,
struct iproc_pll *pll = clk->pll;
const struct iproc_pll_ctrl *ctrl = pll->ctrl;
u32 val;
- u64 ndiv;
- unsigned int ndiv_int, ndiv_frac, pdiv;
+ u64 ndiv, ndiv_int, ndiv_frac;
+ unsigned int pdiv;

if (parent_rate == 0)
return 0;
@@ -366,22 +366,19 @@ static unsigned long iproc_pll_recalc_rate(struct clk_hw *hw,
val = readl(pll->pll_base + ctrl->ndiv_int.offset);
ndiv_int = (val >> ctrl->ndiv_int.shift) &
bit_mask(ctrl->ndiv_int.width);
- ndiv = (u64)ndiv_int << ctrl->ndiv_int.shift;
+ ndiv = ndiv_int << 20;

if (ctrl->flags & IPROC_CLK_PLL_HAS_NDIV_FRAC) {
val = readl(pll->pll_base + ctrl->ndiv_frac.offset);
ndiv_frac = (val >> ctrl->ndiv_frac.shift) &
bit_mask(ctrl->ndiv_frac.width);
-
- if (ndiv_frac != 0)
- ndiv = ((u64)ndiv_int << ctrl->ndiv_int.shift) |
- ndiv_frac;
+ ndiv += ndiv_frac;
}

val = readl(pll->pll_base + ctrl->pdiv.offset);
pdiv = (val >> ctrl->pdiv.shift) & bit_mask(ctrl->pdiv.width);

- clk->rate = (ndiv * parent_rate) >> ctrl->ndiv_int.shift;
+ clk->rate = (ndiv * parent_rate) >> 20;

if (pdiv == 0)
clk->rate *= 2;
diff --git a/drivers/clk/versatile/clk-icst.c b/drivers/clk/versatile/clk-icst.c
index a3893ea2199d..08c5ee976879 100644
--- a/drivers/clk/versatile/clk-icst.c
+++ b/drivers/clk/versatile/clk-icst.c
@@ -157,8 +157,10 @@ struct clk *icst_clk_register(struct device *dev,
icst->lockreg = base + desc->lock_offset;

clk = clk_register(dev, &icst->hw);
- if (IS_ERR(clk))
+ if (IS_ERR(clk)) {
+ kfree(pclone);
kfree(icst);
+ }

return clk;
}
diff --git a/drivers/mfd/twl6040.c b/drivers/mfd/twl6040.c
index a151ee2eed2a..08a693cd38cc 100644
--- a/drivers/mfd/twl6040.c
+++ b/drivers/mfd/twl6040.c
@@ -647,6 +647,8 @@ static int twl6040_probe(struct i2c_client *client,

twl6040->clk32k = devm_clk_get(&client->dev, "clk32k");
if (IS_ERR(twl6040->clk32k)) {
+ if (PTR_ERR(twl6040->clk32k) == -EPROBE_DEFER)
+ return -EPROBE_DEFER;
dev_info(&client->dev, "clk32k is not handled\n");
twl6040->clk32k = NULL;
}
diff --git a/drivers/net/bonding/bond_main.c b/drivers/net/bonding/bond_main.c
index 771a449d2f56..bcd7bddbe312 100644
--- a/drivers/net/bonding/bond_main.c
+++ b/drivers/net/bonding/bond_main.c
@@ -1749,6 +1749,7 @@ err_undo_flags:
slave_dev->dev_addr))
eth_hw_addr_random(bond_dev);
if (bond_dev->type != ARPHRD_ETHER) {
+ dev_close(bond_dev);
ether_setup(bond_dev);
bond_dev->flags |= IFF_MASTER;
bond_dev->priv_flags &= ~IFF_TX_SKB_SHARING;
diff --git a/drivers/net/can/dev.c b/drivers/net/can/dev.c
index aede704605c6..141c2a42d7ed 100644
--- a/drivers/net/can/dev.c
+++ b/drivers/net/can/dev.c
@@ -915,7 +915,7 @@ static int can_fill_info(struct sk_buff *skb, const struct net_device *dev)
nla_put(skb, IFLA_CAN_BITTIMING_CONST,
sizeof(*priv->bittiming_const), priv->bittiming_const)) ||

- nla_put(skb, IFLA_CAN_CLOCK, sizeof(cm), &priv->clock) ||
+ nla_put(skb, IFLA_CAN_CLOCK, sizeof(priv->clock), &priv->clock) ||
nla_put_u32(skb, IFLA_CAN_STATE, state) ||
nla_put(skb, IFLA_CAN_CTRLMODE, sizeof(cm), &cm) ||
nla_put_u32(skb, IFLA_CAN_RESTART_MS, priv->restart_ms) ||
diff --git a/drivers/net/can/sja1000/sja1000.c b/drivers/net/can/sja1000/sja1000.c
index 7b92e911a616..f10834be48a5 100644
--- a/drivers/net/can/sja1000/sja1000.c
+++ b/drivers/net/can/sja1000/sja1000.c
@@ -218,6 +218,9 @@ static void sja1000_start(struct net_device *dev)
priv->write_reg(priv, SJA1000_RXERR, 0x0);
priv->read_reg(priv, SJA1000_ECC);

+ /* clear interrupt flags */
+ priv->read_reg(priv, SJA1000_IR);
+
/* leave reset mode */
set_normal_mode(dev);
}
diff --git a/drivers/net/ethernet/broadcom/genet/bcmgenet.c b/drivers/net/ethernet/broadcom/genet/bcmgenet.c
index 1805541b4240..5e3cd76cb69b 100644
--- a/drivers/net/ethernet/broadcom/genet/bcmgenet.c
+++ b/drivers/net/ethernet/broadcom/genet/bcmgenet.c
@@ -907,8 +907,10 @@ static void bcmgenet_power_up(struct bcmgenet_priv *priv,
}

bcmgenet_ext_writel(priv, reg, EXT_EXT_PWR_MGMT);
- if (mode == GENET_POWER_PASSIVE)
+ if (mode == GENET_POWER_PASSIVE) {
bcmgenet_phy_power_set(priv->dev, true);
+ bcmgenet_mii_reset(priv->dev);
+ }
}

/* ioctl handle special commands that are not present in ethtool. */
diff --git a/drivers/net/ethernet/broadcom/genet/bcmgenet.h b/drivers/net/ethernet/broadcom/genet/bcmgenet.h
index 7299d1075422..c739f7ebc992 100644
--- a/drivers/net/ethernet/broadcom/genet/bcmgenet.h
+++ b/drivers/net/ethernet/broadcom/genet/bcmgenet.h
@@ -674,6 +674,7 @@ int bcmgenet_mii_init(struct net_device *dev);
int bcmgenet_mii_config(struct net_device *dev);
int bcmgenet_mii_probe(struct net_device *dev);
void bcmgenet_mii_exit(struct net_device *dev);
+void bcmgenet_mii_reset(struct net_device *dev);
void bcmgenet_phy_power_set(struct net_device *dev, bool enable);
void bcmgenet_mii_setup(struct net_device *dev);

diff --git a/drivers/net/ethernet/broadcom/genet/bcmmii.c b/drivers/net/ethernet/broadcom/genet/bcmmii.c
index c8affad76f36..8bdfe53754ba 100644
--- a/drivers/net/ethernet/broadcom/genet/bcmmii.c
+++ b/drivers/net/ethernet/broadcom/genet/bcmmii.c
@@ -163,6 +163,7 @@ void bcmgenet_mii_setup(struct net_device *dev)
phy_print_status(phydev);
}

+
static int bcmgenet_fixed_phy_link_update(struct net_device *dev,
struct fixed_phy_status *status)
{
@@ -172,6 +173,22 @@ static int bcmgenet_fixed_phy_link_update(struct net_device *dev,
return 0;
}

+/* Perform a voluntary PHY software reset, since the EPHY is very finicky about
+ * not doing it and will start corrupting packets
+ */
+void bcmgenet_mii_reset(struct net_device *dev)
+{
+ struct bcmgenet_priv *priv = netdev_priv(dev);
+
+ if (GENET_IS_V4(priv))
+ return;
+
+ if (priv->phydev) {
+ phy_init_hw(priv->phydev);
+ phy_start_aneg(priv->phydev);
+ }
+}
+
void bcmgenet_phy_power_set(struct net_device *dev, bool enable)
{
struct bcmgenet_priv *priv = netdev_priv(dev);
@@ -214,6 +231,7 @@ static void bcmgenet_internal_phy_setup(struct net_device *dev)
reg = bcmgenet_ext_readl(priv, EXT_EXT_PWR_MGMT);
reg |= EXT_PWR_DN_EN_LD;
bcmgenet_ext_writel(priv, reg, EXT_EXT_PWR_MGMT);
+ bcmgenet_mii_reset(dev);
}

static void bcmgenet_moca_phy_setup(struct bcmgenet_priv *priv)
diff --git a/drivers/net/ethernet/marvell/mvneta.c b/drivers/net/ethernet/marvell/mvneta.c
index 514df76fc70f..0e49244981d6 100644
--- a/drivers/net/ethernet/marvell/mvneta.c
+++ b/drivers/net/ethernet/marvell/mvneta.c
@@ -949,7 +949,7 @@ static void mvneta_defaults_set(struct mvneta_port *pp)
/* Set CPU queue access map - all CPUs have access to all RX
* queues and to all TX queues
*/
- for (cpu = 0; cpu < CONFIG_NR_CPUS; cpu++)
+ for_each_present_cpu(cpu)
mvreg_write(pp, MVNETA_CPU_MAP(cpu),
(MVNETA_CPU_RXQ_ACCESS_ALL_MASK |
MVNETA_CPU_TXQ_ACCESS_ALL_MASK));
@@ -1533,12 +1533,16 @@ static int mvneta_rx(struct mvneta_port *pp, int rx_todo,
}

skb = build_skb(data, pp->frag_size > PAGE_SIZE ? 0 : pp->frag_size);
- if (!skb)
- goto err_drop_frame;

+ /* After refill old buffer has to be unmapped regardless
+ * the skb is successfully built or not.
+ */
dma_unmap_single(dev->dev.parent, phys_addr,
MVNETA_RX_BUF_SIZE(pp->pkt_size), DMA_FROM_DEVICE);

+ if (!skb)
+ goto err_drop_frame;
+
rcvd_pkts++;
rcvd_bytes += rx_bytes;

diff --git a/drivers/net/ethernet/sfc/ef10.c b/drivers/net/ethernet/sfc/ef10.c
index ff649ebef637..286cc6b69d57 100644
--- a/drivers/net/ethernet/sfc/ef10.c
+++ b/drivers/net/ethernet/sfc/ef10.c
@@ -1849,7 +1849,9 @@ static void efx_ef10_tx_write(struct efx_tx_queue *tx_queue)
unsigned int write_ptr;
efx_qword_t *txd;

- BUG_ON(tx_queue->write_count == tx_queue->insert_count);
+ tx_queue->xmit_more_available = false;
+ if (unlikely(tx_queue->write_count == tx_queue->insert_count))
+ return;

do {
write_ptr = tx_queue->write_count & tx_queue->ptr_mask;
diff --git a/drivers/net/ethernet/sfc/farch.c b/drivers/net/ethernet/sfc/farch.c
index f08266f0eca2..5a1c5a8f278a 100644
--- a/drivers/net/ethernet/sfc/farch.c
+++ b/drivers/net/ethernet/sfc/farch.c
@@ -321,7 +321,9 @@ void efx_farch_tx_write(struct efx_tx_queue *tx_queue)
unsigned write_ptr;
unsigned old_write_count = tx_queue->write_count;

- BUG_ON(tx_queue->write_count == tx_queue->insert_count);
+ tx_queue->xmit_more_available = false;
+ if (unlikely(tx_queue->write_count == tx_queue->insert_count))
+ return;

do {
write_ptr = tx_queue->write_count & tx_queue->ptr_mask;
diff --git a/drivers/net/ethernet/sfc/net_driver.h b/drivers/net/ethernet/sfc/net_driver.h
index c530e1c4cb4f..24038ef96d9f 100644
--- a/drivers/net/ethernet/sfc/net_driver.h
+++ b/drivers/net/ethernet/sfc/net_driver.h
@@ -219,6 +219,7 @@ struct efx_tx_buffer {
* @tso_packets: Number of packets via the TSO xmit path
* @pushes: Number of times the TX push feature has been used
* @pio_packets: Number of times the TX PIO feature has been used
+ * @xmit_more_available: Are any packets waiting to be pushed to the NIC
* @empty_read_count: If the completion path has seen the queue as empty
* and the transmission path has not yet checked this, the value of
* @read_count bitwise-added to %EFX_EMPTY_COUNT_VALID; otherwise 0.
@@ -253,6 +254,7 @@ struct efx_tx_queue {
unsigned int tso_packets;
unsigned int pushes;
unsigned int pio_packets;
+ bool xmit_more_available;
/* Statistics to supplement MAC stats */
unsigned long tx_packets;

diff --git a/drivers/net/ethernet/sfc/tx.c b/drivers/net/ethernet/sfc/tx.c
index 1833a0146571..67f6afaa022f 100644
--- a/drivers/net/ethernet/sfc/tx.c
+++ b/drivers/net/ethernet/sfc/tx.c
@@ -431,8 +431,20 @@ finish_packet:
efx_tx_maybe_stop_queue(tx_queue);

/* Pass off to hardware */
- if (!skb->xmit_more || netif_xmit_stopped(tx_queue->core_txq))
+ if (!skb->xmit_more || netif_xmit_stopped(tx_queue->core_txq)) {
+ struct efx_tx_queue *txq2 = efx_tx_queue_partner(tx_queue);
+
+ /* There could be packets left on the partner queue if those
+ * SKBs had skb->xmit_more set. If we do not push those they
+ * could be left for a long time and cause a netdev watchdog.
+ */
+ if (txq2->xmit_more_available)
+ efx_nic_push_buffers(txq2);
+
efx_nic_push_buffers(tx_queue);
+ } else {
+ tx_queue->xmit_more_available = skb->xmit_more;
+ }

tx_queue->tx_packets++;

@@ -722,6 +734,7 @@ void efx_init_tx_queue(struct efx_tx_queue *tx_queue)
tx_queue->read_count = 0;
tx_queue->old_read_count = 0;
tx_queue->empty_read_count = 0 | EFX_EMPTY_COUNT_VALID;
+ tx_queue->xmit_more_available = false;

/* Set up TX descriptor ring */
efx_nic_init_tx(tx_queue);
@@ -747,6 +760,7 @@ void efx_fini_tx_queue(struct efx_tx_queue *tx_queue)

++tx_queue->read_count;
}
+ tx_queue->xmit_more_available = false;
netdev_tx_reset_queue(tx_queue->core_txq);
}

@@ -1302,8 +1316,20 @@ static int efx_enqueue_skb_tso(struct efx_tx_queue *tx_queue,
efx_tx_maybe_stop_queue(tx_queue);

/* Pass off to hardware */
- if (!skb->xmit_more || netif_xmit_stopped(tx_queue->core_txq))
+ if (!skb->xmit_more || netif_xmit_stopped(tx_queue->core_txq)) {
+ struct efx_tx_queue *txq2 = efx_tx_queue_partner(tx_queue);
+
+ /* There could be packets left on the partner queue if those
+ * SKBs had skb->xmit_more set. If we do not push those they
+ * could be left for a long time and cause a netdev watchdog.
+ */
+ if (txq2->xmit_more_available)
+ efx_nic_push_buffers(txq2);
+
efx_nic_push_buffers(tx_queue);
+ } else {
+ tx_queue->xmit_more_available = skb->xmit_more;
+ }

tx_queue->tso_bursts++;
return NETDEV_TX_OK;
diff --git a/drivers/net/ethernet/stmicro/stmmac/stmmac_ethtool.c b/drivers/net/ethernet/stmicro/stmmac/stmmac_ethtool.c
index 771cda2a48b2..2e51b816a7e8 100644
--- a/drivers/net/ethernet/stmicro/stmmac/stmmac_ethtool.c
+++ b/drivers/net/ethernet/stmicro/stmmac/stmmac_ethtool.c
@@ -721,10 +721,13 @@ static int stmmac_get_ts_info(struct net_device *dev,
{
struct stmmac_priv *priv = netdev_priv(dev);

- if ((priv->hwts_tx_en) && (priv->hwts_rx_en)) {
+ if ((priv->dma_cap.time_stamp || priv->dma_cap.atime_stamp)) {

- info->so_timestamping = SOF_TIMESTAMPING_TX_HARDWARE |
+ info->so_timestamping = SOF_TIMESTAMPING_TX_SOFTWARE |
+ SOF_TIMESTAMPING_TX_HARDWARE |
+ SOF_TIMESTAMPING_RX_SOFTWARE |
SOF_TIMESTAMPING_RX_HARDWARE |
+ SOF_TIMESTAMPING_SOFTWARE |
SOF_TIMESTAMPING_RAW_HARDWARE;

if (priv->ptp_clock)
diff --git a/drivers/net/wireless/ath/ath10k/core.c b/drivers/net/wireless/ath/ath10k/core.c
index b87b98617073..9e3d89d06445 100644
--- a/drivers/net/wireless/ath/ath10k/core.c
+++ b/drivers/net/wireless/ath/ath10k/core.c
@@ -142,12 +142,17 @@ static const char *const ath10k_core_fw_feature_str[] = {
[ATH10K_FW_FEATURE_IGNORE_OTP_RESULT] = "ignore-otp",
[ATH10K_FW_FEATURE_NO_NWIFI_DECAP_4ADDR_PADDING] = "no-4addr-pad",
[ATH10K_FW_FEATURE_SUPPORTS_SKIP_CLOCK_INIT] = "skip-clock-init",
+ [ATH10K_FW_FEATURE_RAW_MODE_SUPPORT] = "raw-mode",
};

static unsigned int ath10k_core_get_fw_feature_str(char *buf,
size_t buf_len,
enum ath10k_fw_features feat)
{
+ /* make sure that ath10k_core_fw_feature_str[] gets updated */
+ BUILD_BUG_ON(ARRAY_SIZE(ath10k_core_fw_feature_str) !=
+ ATH10K_FW_FEATURE_COUNT);
+
if (feat >= ARRAY_SIZE(ath10k_core_fw_feature_str) ||
WARN_ON(!ath10k_core_fw_feature_str[feat])) {
return scnprintf(buf, buf_len, "bit%d", feat);
diff --git a/drivers/net/wireless/ath/ath10k/mac.c b/drivers/net/wireless/ath/ath10k/mac.c
index 64674c955d44..e1d32de8b111 100644
--- a/drivers/net/wireless/ath/ath10k/mac.c
+++ b/drivers/net/wireless/ath/ath10k/mac.c
@@ -2083,7 +2083,8 @@ static void ath10k_peer_assoc_h_ht(struct ath10k *ar,
enum ieee80211_band band;
const u8 *ht_mcs_mask;
const u16 *vht_mcs_mask;
- int i, n, max_nss;
+ int i, n;
+ u8 max_nss;
u32 stbc;

lockdep_assert_held(&ar->conf_mutex);
@@ -2168,7 +2169,7 @@ static void ath10k_peer_assoc_h_ht(struct ath10k *ar,
arg->peer_ht_rates.rates[i] = i;
} else {
arg->peer_ht_rates.num_rates = n;
- arg->peer_num_spatial_streams = max_nss;
+ arg->peer_num_spatial_streams = min(sta->rx_nss, max_nss);
}

ath10k_dbg(ar, ATH10K_DBG_MAC, "mac ht peer %pM mcs cnt %d nss %d\n",
@@ -4055,7 +4056,7 @@ static int ath10k_config(struct ieee80211_hw *hw, u32 changed)

static u32 get_nss_from_chainmask(u16 chain_mask)
{
- if ((chain_mask & 0x15) == 0x15)
+ if ((chain_mask & 0xf) == 0xf)
return 4;
else if ((chain_mask & 0x7) == 0x7)
return 3;
diff --git a/drivers/net/wireless/iwlwifi/pcie/drv.c b/drivers/net/wireless/iwlwifi/pcie/drv.c
index 644b58bc5226..639761fb2bfb 100644
--- a/drivers/net/wireless/iwlwifi/pcie/drv.c
+++ b/drivers/net/wireless/iwlwifi/pcie/drv.c
@@ -423,14 +423,21 @@ static const struct pci_device_id iwl_hw_card_ids[] = {
/* 8000 Series */
{IWL_PCI_DEVICE(0x24F3, 0x0010, iwl8260_2ac_cfg)},
{IWL_PCI_DEVICE(0x24F3, 0x1010, iwl8260_2ac_cfg)},
+ {IWL_PCI_DEVICE(0x24F3, 0x0130, iwl8260_2ac_cfg)},
+ {IWL_PCI_DEVICE(0x24F3, 0x1130, iwl8260_2ac_cfg)},
+ {IWL_PCI_DEVICE(0x24F3, 0x0132, iwl8260_2ac_cfg)},
+ {IWL_PCI_DEVICE(0x24F3, 0x1132, iwl8260_2ac_cfg)},
{IWL_PCI_DEVICE(0x24F3, 0x0110, iwl8260_2ac_cfg)},
+ {IWL_PCI_DEVICE(0x24F3, 0x01F0, iwl8260_2ac_cfg)},
+ {IWL_PCI_DEVICE(0x24F3, 0x0012, iwl8260_2ac_cfg)},
+ {IWL_PCI_DEVICE(0x24F3, 0x1012, iwl8260_2ac_cfg)},
{IWL_PCI_DEVICE(0x24F3, 0x1110, iwl8260_2ac_cfg)},
{IWL_PCI_DEVICE(0x24F3, 0x0050, iwl8260_2ac_cfg)},
{IWL_PCI_DEVICE(0x24F3, 0x0250, iwl8260_2ac_cfg)},
{IWL_PCI_DEVICE(0x24F3, 0x1050, iwl8260_2ac_cfg)},
{IWL_PCI_DEVICE(0x24F3, 0x0150, iwl8260_2ac_cfg)},
+ {IWL_PCI_DEVICE(0x24F3, 0x1150, iwl8260_2ac_cfg)},
{IWL_PCI_DEVICE(0x24F4, 0x0030, iwl8260_2ac_cfg)},
- {IWL_PCI_DEVICE(0x24F4, 0x1130, iwl8260_2ac_cfg)},
{IWL_PCI_DEVICE(0x24F4, 0x1030, iwl8260_2ac_cfg)},
{IWL_PCI_DEVICE(0x24F3, 0xC010, iwl8260_2ac_cfg)},
{IWL_PCI_DEVICE(0x24F3, 0xC110, iwl8260_2ac_cfg)},
@@ -438,18 +445,28 @@ static const struct pci_device_id iwl_hw_card_ids[] = {
{IWL_PCI_DEVICE(0x24F3, 0xC050, iwl8260_2ac_cfg)},
{IWL_PCI_DEVICE(0x24F3, 0xD050, iwl8260_2ac_cfg)},
{IWL_PCI_DEVICE(0x24F3, 0x8010, iwl8260_2ac_cfg)},
+ {IWL_PCI_DEVICE(0x24F3, 0x8110, iwl8260_2ac_cfg)},
{IWL_PCI_DEVICE(0x24F3, 0x9010, iwl8260_2ac_cfg)},
+ {IWL_PCI_DEVICE(0x24F3, 0x9110, iwl8260_2ac_cfg)},
{IWL_PCI_DEVICE(0x24F4, 0x8030, iwl8260_2ac_cfg)},
{IWL_PCI_DEVICE(0x24F4, 0x9030, iwl8260_2ac_cfg)},
+ {IWL_PCI_DEVICE(0x24F3, 0x8130, iwl8260_2ac_cfg)},
+ {IWL_PCI_DEVICE(0x24F3, 0x9130, iwl8260_2ac_cfg)},
+ {IWL_PCI_DEVICE(0x24F3, 0x8132, iwl8260_2ac_cfg)},
+ {IWL_PCI_DEVICE(0x24F3, 0x9132, iwl8260_2ac_cfg)},
{IWL_PCI_DEVICE(0x24F3, 0x8050, iwl8260_2ac_cfg)},
+ {IWL_PCI_DEVICE(0x24F3, 0x8150, iwl8260_2ac_cfg)},
{IWL_PCI_DEVICE(0x24F3, 0x9050, iwl8260_2ac_cfg)},
+ {IWL_PCI_DEVICE(0x24F3, 0x9150, iwl8260_2ac_cfg)},
{IWL_PCI_DEVICE(0x24F3, 0x0004, iwl8260_2n_cfg)},
+ {IWL_PCI_DEVICE(0x24F3, 0x0044, iwl8260_2n_cfg)},
{IWL_PCI_DEVICE(0x24F5, 0x0010, iwl4165_2ac_cfg)},
{IWL_PCI_DEVICE(0x24F6, 0x0030, iwl4165_2ac_cfg)},
{IWL_PCI_DEVICE(0x24F3, 0x0810, iwl8260_2ac_cfg)},
{IWL_PCI_DEVICE(0x24F3, 0x0910, iwl8260_2ac_cfg)},
{IWL_PCI_DEVICE(0x24F3, 0x0850, iwl8260_2ac_cfg)},
{IWL_PCI_DEVICE(0x24F3, 0x0950, iwl8260_2ac_cfg)},
+ {IWL_PCI_DEVICE(0x24F3, 0x0930, iwl8260_2ac_cfg)},
#endif /* CONFIG_IWLMVM */

{0}
diff --git a/drivers/net/wireless/iwlwifi/pcie/trans.c b/drivers/net/wireless/iwlwifi/pcie/trans.c
index 6ba7d300b08f..90283453073c 100644
--- a/drivers/net/wireless/iwlwifi/pcie/trans.c
+++ b/drivers/net/wireless/iwlwifi/pcie/trans.c
@@ -592,10 +592,8 @@ static int iwl_pcie_prepare_card_hw(struct iwl_trans *trans)

do {
ret = iwl_pcie_set_hw_ready(trans);
- if (ret >= 0) {
- ret = 0;
- goto out;
- }
+ if (ret >= 0)
+ return 0;

usleep_range(200, 1000);
t += 200;
@@ -605,10 +603,6 @@ static int iwl_pcie_prepare_card_hw(struct iwl_trans *trans)

IWL_ERR(trans, "Couldn't prepare the card\n");

-out:
- iwl_clear_bit(trans, CSR_DBG_LINK_PWR_MGMT_REG,
- CSR_RESET_LINK_PWR_MGMT_DISABLED);
-
return ret;
}

diff --git a/drivers/net/wireless/mwifiex/debugfs.c b/drivers/net/wireless/mwifiex/debugfs.c
index 5a0636d43a1b..5583856fc5c4 100644
--- a/drivers/net/wireless/mwifiex/debugfs.c
+++ b/drivers/net/wireless/mwifiex/debugfs.c
@@ -731,7 +731,7 @@ mwifiex_rdeeprom_read(struct file *file, char __user *ubuf,
(struct mwifiex_private *) file->private_data;
unsigned long addr = get_zeroed_page(GFP_KERNEL);
char *buf = (char *) addr;
- int pos = 0, ret = 0, i;
+ int pos, ret, i;
u8 value[MAX_EEPROM_DATA];

if (!buf)
@@ -739,7 +739,7 @@ mwifiex_rdeeprom_read(struct file *file, char __user *ubuf,

if (saved_offset == -1) {
/* No command has been given */
- pos += snprintf(buf, PAGE_SIZE, "0");
+ pos = snprintf(buf, PAGE_SIZE, "0");
goto done;
}

@@ -748,17 +748,17 @@ mwifiex_rdeeprom_read(struct file *file, char __user *ubuf,
(u16) saved_bytes, value);
if (ret) {
ret = -EINVAL;
- goto done;
+ goto out_free;
}

- pos += snprintf(buf, PAGE_SIZE, "%d %d ", saved_offset, saved_bytes);
+ pos = snprintf(buf, PAGE_SIZE, "%d %d ", saved_offset, saved_bytes);

for (i = 0; i < saved_bytes; i++)
- pos += snprintf(buf + strlen(buf), PAGE_SIZE, "%d ", value[i]);
-
- ret = simple_read_from_buffer(ubuf, count, ppos, buf, pos);
+ pos += scnprintf(buf + pos, PAGE_SIZE - pos, "%d ", value[i]);

done:
+ ret = simple_read_from_buffer(ubuf, count, ppos, buf, pos);
+out_free:
free_page(addr);
return ret;
}
diff --git a/drivers/net/wireless/mwifiex/pcie.c b/drivers/net/wireless/mwifiex/pcie.c
index 408b68460716..21192b6f9c64 100644
--- a/drivers/net/wireless/mwifiex/pcie.c
+++ b/drivers/net/wireless/mwifiex/pcie.c
@@ -1815,7 +1815,6 @@ static int mwifiex_pcie_event_complete(struct mwifiex_adapter *adapter,
if (!card->evt_buf_list[rdptr]) {
skb_push(skb, INTF_HEADER_LEN);
skb_put(skb, MAX_EVENT_SIZE - skb->len);
- memset(skb->data, 0, MAX_EVENT_SIZE);
if (mwifiex_map_pci_memory(adapter, skb,
MAX_EVENT_SIZE,
PCI_DMA_FROMDEVICE))
diff --git a/drivers/net/wireless/mwifiex/scan.c b/drivers/net/wireless/mwifiex/scan.c
index 5847863a2d6b..278ec477fd90 100644
--- a/drivers/net/wireless/mwifiex/scan.c
+++ b/drivers/net/wireless/mwifiex/scan.c
@@ -1889,7 +1889,7 @@ mwifiex_active_scan_req_for_passive_chan(struct mwifiex_private *priv)
u8 id = 0;
struct mwifiex_user_scan_cfg *user_scan_cfg;

- if (adapter->active_scan_triggered) {
+ if (adapter->active_scan_triggered || !priv->scan_request) {
adapter->active_scan_triggered = false;
return 0;
}
diff --git a/drivers/nfc/st-nci/spi.c b/drivers/nfc/st-nci/spi.c
index 598a58c4d6d1..887d308c2ec8 100644
--- a/drivers/nfc/st-nci/spi.c
+++ b/drivers/nfc/st-nci/spi.c
@@ -25,6 +25,7 @@
#include <linux/interrupt.h>
#include <linux/delay.h>
#include <linux/nfc.h>
+#include <net/nfc/nci.h>
#include <linux/platform_data/st-nci.h>

#include "ndlc.h"
@@ -94,7 +95,8 @@ static int st_nci_spi_write(void *phy_id, struct sk_buff *skb)
struct st_nci_spi_phy *phy = phy_id;
struct spi_device *dev = phy->spi_dev;
struct sk_buff *skb_rx;
- u8 buf[ST_NCI_SPI_MAX_SIZE];
+ u8 buf[ST_NCI_SPI_MAX_SIZE + NCI_DATA_HDR_SIZE +
+ ST_NCI_FRAME_HEADROOM + ST_NCI_FRAME_TAILROOM];
struct spi_transfer spi_xfer = {
.tx_buf = skb->data,
.rx_buf = buf,
diff --git a/drivers/pinctrl/qcom/pinctrl-ssbi-gpio.c b/drivers/pinctrl/qcom/pinctrl-ssbi-gpio.c
index e1a3721bc8e5..d809c9eaa323 100644
--- a/drivers/pinctrl/qcom/pinctrl-ssbi-gpio.c
+++ b/drivers/pinctrl/qcom/pinctrl-ssbi-gpio.c
@@ -584,7 +584,7 @@ static void pm8xxx_gpio_dbg_show(struct seq_file *s, struct gpio_chip *chip)
}

#else
-#define msm_gpio_dbg_show NULL
+#define pm8xxx_gpio_dbg_show NULL
#endif

static struct gpio_chip pm8xxx_gpio_template = {
diff --git a/drivers/pinctrl/qcom/pinctrl-ssbi-mpp.c b/drivers/pinctrl/qcom/pinctrl-ssbi-mpp.c
index 6652b8d7f707..8982027de8e8 100644
--- a/drivers/pinctrl/qcom/pinctrl-ssbi-mpp.c
+++ b/drivers/pinctrl/qcom/pinctrl-ssbi-mpp.c
@@ -639,7 +639,7 @@ static void pm8xxx_mpp_dbg_show(struct seq_file *s, struct gpio_chip *chip)
}

#else
-#define msm_mpp_dbg_show NULL
+#define pm8xxx_mpp_dbg_show NULL
#endif

static struct gpio_chip pm8xxx_mpp_template = {
diff --git a/drivers/pinctrl/uniphier/pinctrl-uniphier-core.c b/drivers/pinctrl/uniphier/pinctrl-uniphier-core.c
index 918f3b643f1b..589872cc8adb 100644
--- a/drivers/pinctrl/uniphier/pinctrl-uniphier-core.c
+++ b/drivers/pinctrl/uniphier/pinctrl-uniphier-core.c
@@ -539,6 +539,12 @@ static int uniphier_pmx_set_one_mux(struct pinctrl_dev *pctldev, unsigned pin,
unsigned reg, reg_end, shift, mask;
int ret;

+ /* some pins need input-enabling */
+ ret = uniphier_conf_pin_input_enable(pctldev,
+ &pctldev->desc->pins[pin], 1);
+ if (ret)
+ return ret;
+
reg = UNIPHIER_PINCTRL_PINMUX_BASE + pin * mux_bits / 32 * reg_stride;
reg_end = reg + reg_stride;
shift = pin * mux_bits % 32;
@@ -563,9 +569,7 @@ static int uniphier_pmx_set_one_mux(struct pinctrl_dev *pctldev, unsigned pin,
return ret;
}

- /* some pins need input-enabling */
- return uniphier_conf_pin_input_enable(pctldev,
- &pctldev->desc->pins[pin], 1);
+ return 0;
}

static int uniphier_pmx_set_mux(struct pinctrl_dev *pctldev,
diff --git a/drivers/staging/lustre/include/linux/lnet/lib-lnet.h b/drivers/staging/lustre/include/linux/lnet/lib-lnet.h
index a9c9a077c77d..bc3d907fd20f 100644
--- a/drivers/staging/lustre/include/linux/lnet/lib-lnet.h
+++ b/drivers/staging/lustre/include/linux/lnet/lib-lnet.h
@@ -680,7 +680,7 @@ void lnet_debug_peer(lnet_nid_t nid);
static inline void
lnet_peer_set_alive(lnet_peer_t *lp)
{
- lp->lp_last_alive = lp->lp_last_query = get_seconds();
+ lp->lp_last_alive = lp->lp_last_query = jiffies;
if (!lp->lp_alive)
lnet_notify_locked(lp, 0, 1, lp->lp_last_alive);
}
diff --git a/drivers/staging/rtl8712/usb_intf.c b/drivers/staging/rtl8712/usb_intf.c
index f8b5b332e7c3..943a0e204532 100644
--- a/drivers/staging/rtl8712/usb_intf.c
+++ b/drivers/staging/rtl8712/usb_intf.c
@@ -144,6 +144,7 @@ static struct usb_device_id rtl871x_usb_id_tbl[] = {
{USB_DEVICE(0x0DF6, 0x0058)},
{USB_DEVICE(0x0DF6, 0x0049)},
{USB_DEVICE(0x0DF6, 0x004C)},
+ {USB_DEVICE(0x0DF6, 0x006C)},
{USB_DEVICE(0x0DF6, 0x0064)},
/* Skyworth */
{USB_DEVICE(0x14b2, 0x3300)},
diff --git a/drivers/tty/mips_ejtag_fdc.c b/drivers/tty/mips_ejtag_fdc.c
index a8c8cfd52a23..57ff5d3157a6 100644
--- a/drivers/tty/mips_ejtag_fdc.c
+++ b/drivers/tty/mips_ejtag_fdc.c
@@ -1048,38 +1048,6 @@ err_destroy_ports:
return ret;
}

-static int mips_ejtag_fdc_tty_remove(struct mips_cdmm_device *dev)
-{
- struct mips_ejtag_fdc_tty *priv = mips_cdmm_get_drvdata(dev);
- struct mips_ejtag_fdc_tty_port *dport;
- int nport;
- unsigned int cfg;
-
- if (priv->irq >= 0) {
- raw_spin_lock_irq(&priv->lock);
- cfg = mips_ejtag_fdc_read(priv, REG_FDCFG);
- /* Disable interrupts */
- cfg &= ~(REG_FDCFG_TXINTTHRES | REG_FDCFG_RXINTTHRES);
- cfg |= REG_FDCFG_TXINTTHRES_DISABLED;
- cfg |= REG_FDCFG_RXINTTHRES_DISABLED;
- mips_ejtag_fdc_write(priv, REG_FDCFG, cfg);
- raw_spin_unlock_irq(&priv->lock);
- } else {
- priv->removing = true;
- del_timer_sync(&priv->poll_timer);
- }
- kthread_stop(priv->thread);
- if (dev->cpu == 0)
- mips_ejtag_fdc_con.tty_drv = NULL;
- tty_unregister_driver(priv->driver);
- for (nport = 0; nport < NUM_TTY_CHANNELS; nport++) {
- dport = &priv->ports[nport];
- tty_port_destroy(&dport->port);
- }
- put_tty_driver(priv->driver);
- return 0;
-}
-
static int mips_ejtag_fdc_tty_cpu_down(struct mips_cdmm_device *dev)
{
struct mips_ejtag_fdc_tty *priv = mips_cdmm_get_drvdata(dev);
@@ -1152,12 +1120,11 @@ static struct mips_cdmm_driver mips_ejtag_fdc_tty_driver = {
.name = "mips_ejtag_fdc",
},
.probe = mips_ejtag_fdc_tty_probe,
- .remove = mips_ejtag_fdc_tty_remove,
.cpu_down = mips_ejtag_fdc_tty_cpu_down,
.cpu_up = mips_ejtag_fdc_tty_cpu_up,
.id_table = mips_ejtag_fdc_tty_ids,
};
-module_mips_cdmm_driver(mips_ejtag_fdc_tty_driver);
+builtin_mips_cdmm_driver(mips_ejtag_fdc_tty_driver);

static int __init mips_ejtag_fdc_init_console(void)
{
diff --git a/drivers/tty/n_tty.c b/drivers/tty/n_tty.c
index b09023b07169..a0285da0244c 100644
--- a/drivers/tty/n_tty.c
+++ b/drivers/tty/n_tty.c
@@ -169,7 +169,7 @@ static inline int tty_copy_to_user(struct tty_struct *tty,
{
struct n_tty_data *ldata = tty->disc_data;

- tty_audit_add_data(tty, to, n, ldata->icanon);
+ tty_audit_add_data(tty, from, n, ldata->icanon);
return copy_to_user(to, from, n);
}

diff --git a/drivers/tty/tty_audit.c b/drivers/tty/tty_audit.c
index 90ca082935f6..3d245cd3d8e6 100644
--- a/drivers/tty/tty_audit.c
+++ b/drivers/tty/tty_audit.c
@@ -265,7 +265,7 @@ static struct tty_audit_buf *tty_audit_buf_get(struct tty_struct *tty,
*
* Audit @data of @size from @tty, if necessary.
*/
-void tty_audit_add_data(struct tty_struct *tty, unsigned char *data,
+void tty_audit_add_data(struct tty_struct *tty, const void *data,
size_t size, unsigned icanon)
{
struct tty_audit_buf *buf;
diff --git a/drivers/tty/tty_io.c b/drivers/tty/tty_io.c
index 2eefaa6e3e3a..f435977de740 100644
--- a/drivers/tty/tty_io.c
+++ b/drivers/tty/tty_io.c
@@ -1282,18 +1282,22 @@ int tty_send_xchar(struct tty_struct *tty, char ch)
int was_stopped = tty->stopped;

if (tty->ops->send_xchar) {
+ down_read(&tty->termios_rwsem);
tty->ops->send_xchar(tty, ch);
+ up_read(&tty->termios_rwsem);
return 0;
}

if (tty_write_lock(tty, 0) < 0)
return -ERESTARTSYS;

+ down_read(&tty->termios_rwsem);
if (was_stopped)
start_tty(tty);
tty->ops->write(tty, &ch, 1);
if (was_stopped)
stop_tty(tty);
+ up_read(&tty->termios_rwsem);
tty_write_unlock(tty);
return 0;
}
diff --git a/drivers/tty/tty_ioctl.c b/drivers/tty/tty_ioctl.c
index 9c5aebfe7053..1445dd39aa62 100644
--- a/drivers/tty/tty_ioctl.c
+++ b/drivers/tty/tty_ioctl.c
@@ -1147,16 +1147,12 @@ int n_tty_ioctl_helper(struct tty_struct *tty, struct file *file,
spin_unlock_irq(&tty->flow_lock);
break;
case TCIOFF:
- down_read(&tty->termios_rwsem);
if (STOP_CHAR(tty) != __DISABLED_CHAR)
retval = tty_send_xchar(tty, STOP_CHAR(tty));
- up_read(&tty->termios_rwsem);
break;
case TCION:
- down_read(&tty->termios_rwsem);
if (START_CHAR(tty) != __DISABLED_CHAR)
retval = tty_send_xchar(tty, START_CHAR(tty));
- up_read(&tty->termios_rwsem);
break;
default:
return -EINVAL;
diff --git a/drivers/usb/chipidea/ci_hdrc_imx.c b/drivers/usb/chipidea/ci_hdrc_imx.c
index dcc50c878159..ad53aed9b280 100644
--- a/drivers/usb/chipidea/ci_hdrc_imx.c
+++ b/drivers/usb/chipidea/ci_hdrc_imx.c
@@ -73,6 +73,12 @@ struct ci_hdrc_imx_data {
struct imx_usbmisc_data *usbmisc_data;
bool supports_runtime_pm;
bool in_lpm;
+ /* SoC before i.mx6 (except imx23/imx28) needs three clks */
+ bool need_three_clks;
+ struct clk *clk_ipg;
+ struct clk *clk_ahb;
+ struct clk *clk_per;
+ /* --------------------------------- */
};

/* Common functions shared by usbmisc drivers */
@@ -124,6 +130,102 @@ static struct imx_usbmisc_data *usbmisc_get_init_data(struct device *dev)
}

/* End of common functions shared by usbmisc drivers*/
+static int imx_get_clks(struct device *dev)
+{
+ struct ci_hdrc_imx_data *data = dev_get_drvdata(dev);
+ int ret = 0;
+
+ data->clk_ipg = devm_clk_get(dev, "ipg");
+ if (IS_ERR(data->clk_ipg)) {
+ /* If the platform only needs one clocks */
+ data->clk = devm_clk_get(dev, NULL);
+ if (IS_ERR(data->clk)) {
+ ret = PTR_ERR(data->clk);
+ dev_err(dev,
+ "Failed to get clks, err=%ld,%ld\n",
+ PTR_ERR(data->clk), PTR_ERR(data->clk_ipg));
+ return ret;
+ }
+ return ret;
+ }
+
+ data->clk_ahb = devm_clk_get(dev, "ahb");
+ if (IS_ERR(data->clk_ahb)) {
+ ret = PTR_ERR(data->clk_ahb);
+ dev_err(dev,
+ "Failed to get ahb clock, err=%d\n", ret);
+ return ret;
+ }
+
+ data->clk_per = devm_clk_get(dev, "per");
+ if (IS_ERR(data->clk_per)) {
+ ret = PTR_ERR(data->clk_per);
+ dev_err(dev,
+ "Failed to get per clock, err=%d\n", ret);
+ return ret;
+ }
+
+ data->need_three_clks = true;
+ return ret;
+}
+
+static int imx_prepare_enable_clks(struct device *dev)
+{
+ struct ci_hdrc_imx_data *data = dev_get_drvdata(dev);
+ int ret = 0;
+
+ if (data->need_three_clks) {
+ ret = clk_prepare_enable(data->clk_ipg);
+ if (ret) {
+ dev_err(dev,
+ "Failed to prepare/enable ipg clk, err=%d\n",
+ ret);
+ return ret;
+ }
+
+ ret = clk_prepare_enable(data->clk_ahb);
+ if (ret) {
+ dev_err(dev,
+ "Failed to prepare/enable ahb clk, err=%d\n",
+ ret);
+ clk_disable_unprepare(data->clk_ipg);
+ return ret;
+ }
+
+ ret = clk_prepare_enable(data->clk_per);
+ if (ret) {
+ dev_err(dev,
+ "Failed to prepare/enable per clk, err=%d\n",
+ ret);
+ clk_disable_unprepare(data->clk_ahb);
+ clk_disable_unprepare(data->clk_ipg);
+ return ret;
+ }
+ } else {
+ ret = clk_prepare_enable(data->clk);
+ if (ret) {
+ dev_err(dev,
+ "Failed to prepare/enable clk, err=%d\n",
+ ret);
+ return ret;
+ }
+ }
+
+ return ret;
+}
+
+static void imx_disable_unprepare_clks(struct device *dev)
+{
+ struct ci_hdrc_imx_data *data = dev_get_drvdata(dev);
+
+ if (data->need_three_clks) {
+ clk_disable_unprepare(data->clk_per);
+ clk_disable_unprepare(data->clk_ahb);
+ clk_disable_unprepare(data->clk_ipg);
+ } else {
+ clk_disable_unprepare(data->clk);
+ }
+}

static int ci_hdrc_imx_probe(struct platform_device *pdev)
{
@@ -142,23 +244,18 @@ static int ci_hdrc_imx_probe(struct platform_device *pdev)
if (!data)
return -ENOMEM;

+ platform_set_drvdata(pdev, data);
data->usbmisc_data = usbmisc_get_init_data(&pdev->dev);
if (IS_ERR(data->usbmisc_data))
return PTR_ERR(data->usbmisc_data);

- data->clk = devm_clk_get(&pdev->dev, NULL);
- if (IS_ERR(data->clk)) {
- dev_err(&pdev->dev,
- "Failed to get clock, err=%ld\n", PTR_ERR(data->clk));
- return PTR_ERR(data->clk);
- }
+ ret = imx_get_clks(&pdev->dev);
+ if (ret)
+ return ret;

- ret = clk_prepare_enable(data->clk);
- if (ret) {
- dev_err(&pdev->dev,
- "Failed to prepare or enable clock, err=%d\n", ret);
+ ret = imx_prepare_enable_clks(&pdev->dev);
+ if (ret)
return ret;
- }

data->phy = devm_usb_get_phy_by_phandle(&pdev->dev, "fsl,usbphy", 0);
if (IS_ERR(data->phy)) {
@@ -201,8 +298,6 @@ static int ci_hdrc_imx_probe(struct platform_device *pdev)
goto disable_device;
}

- platform_set_drvdata(pdev, data);
-
if (data->supports_runtime_pm) {
pm_runtime_set_active(&pdev->dev);
pm_runtime_enable(&pdev->dev);
@@ -215,7 +310,7 @@ static int ci_hdrc_imx_probe(struct platform_device *pdev)
disable_device:
ci_hdrc_remove_device(data->ci_pdev);
err_clk:
- clk_disable_unprepare(data->clk);
+ imx_disable_unprepare_clks(&pdev->dev);
return ret;
}

@@ -229,7 +324,7 @@ static int ci_hdrc_imx_remove(struct platform_device *pdev)
pm_runtime_put_noidle(&pdev->dev);
}
ci_hdrc_remove_device(data->ci_pdev);
- clk_disable_unprepare(data->clk);
+ imx_disable_unprepare_clks(&pdev->dev);

return 0;
}
@@ -241,7 +336,7 @@ static int imx_controller_suspend(struct device *dev)

dev_dbg(dev, "at %s\n", __func__);

- clk_disable_unprepare(data->clk);
+ imx_disable_unprepare_clks(dev);
data->in_lpm = true;

return 0;
@@ -259,7 +354,7 @@ static int imx_controller_resume(struct device *dev)
return 0;
}

- ret = clk_prepare_enable(data->clk);
+ ret = imx_prepare_enable_clks(dev);
if (ret)
return ret;

@@ -274,7 +369,7 @@ static int imx_controller_resume(struct device *dev)
return 0;

clk_disable:
- clk_disable_unprepare(data->clk);
+ imx_disable_unprepare_clks(dev);
return ret;
}

diff --git a/drivers/usb/chipidea/debug.c b/drivers/usb/chipidea/debug.c
index 080b7be3daf0..58c8485a0715 100644
--- a/drivers/usb/chipidea/debug.c
+++ b/drivers/usb/chipidea/debug.c
@@ -322,8 +322,10 @@ static ssize_t ci_role_write(struct file *file, const char __user *ubuf,
return -EINVAL;

pm_runtime_get_sync(ci->dev);
+ disable_irq(ci->irq);
ci_role_stop(ci);
ret = ci_role_start(ci, role);
+ enable_irq(ci->irq);
pm_runtime_put_sync(ci->dev);

return ret ? ret : count;
diff --git a/drivers/usb/chipidea/udc.c b/drivers/usb/chipidea/udc.c
index 8223fe73ea85..391a1225b0ba 100644
--- a/drivers/usb/chipidea/udc.c
+++ b/drivers/usb/chipidea/udc.c
@@ -1751,6 +1751,22 @@ static int ci_udc_start(struct usb_gadget *gadget,
return retval;
}

+static void ci_udc_stop_for_otg_fsm(struct ci_hdrc *ci)
+{
+ if (!ci_otg_is_fsm_mode(ci))
+ return;
+
+ mutex_lock(&ci->fsm.lock);
+ if (ci->fsm.otg->state == OTG_STATE_A_PERIPHERAL) {
+ ci->fsm.a_bidl_adis_tmout = 1;
+ ci_hdrc_otg_fsm_start(ci);
+ } else if (ci->fsm.otg->state == OTG_STATE_B_PERIPHERAL) {
+ ci->fsm.protocol = PROTO_UNDEF;
+ ci->fsm.otg->state = OTG_STATE_UNDEFINED;
+ }
+ mutex_unlock(&ci->fsm.lock);
+}
+
/**
* ci_udc_stop: unregister a gadget driver
*/
@@ -1775,6 +1791,7 @@ static int ci_udc_stop(struct usb_gadget *gadget)
ci->driver = NULL;
spin_unlock_irqrestore(&ci->lock, flags);

+ ci_udc_stop_for_otg_fsm(ci);
return 0;
}

diff --git a/drivers/usb/class/usblp.c b/drivers/usb/class/usblp.c
index 433bbc34a8a4..071964c7847f 100644
--- a/drivers/usb/class/usblp.c
+++ b/drivers/usb/class/usblp.c
@@ -884,11 +884,11 @@ static int usblp_wwait(struct usblp *usblp, int nonblock)

add_wait_queue(&usblp->wwait, &waita);
for (;;) {
- set_current_state(TASK_INTERRUPTIBLE);
if (mutex_lock_interruptible(&usblp->mut)) {
rc = -EINTR;
break;
}
+ set_current_state(TASK_INTERRUPTIBLE);
rc = usblp_wtest(usblp, nonblock);
mutex_unlock(&usblp->mut);
if (rc <= 0)
diff --git a/drivers/usb/dwc3/core.c b/drivers/usb/dwc3/core.c
index 064123e44566..51156ec91c78 100644
--- a/drivers/usb/dwc3/core.c
+++ b/drivers/usb/dwc3/core.c
@@ -488,6 +488,9 @@ static int dwc3_phy_setup(struct dwc3 *dwc)
if (dwc->dis_u2_susphy_quirk)
reg &= ~DWC3_GUSB2PHYCFG_SUSPHY;

+ if (dwc->dis_enblslpm_quirk)
+ reg &= ~DWC3_GUSB2PHYCFG_ENBLSLPM;
+
dwc3_writel(dwc->regs, DWC3_GUSB2PHYCFG(0), reg);

return 0;
@@ -507,12 +510,18 @@ static int dwc3_core_init(struct dwc3 *dwc)

reg = dwc3_readl(dwc->regs, DWC3_GSNPSID);
/* This should read as U3 followed by revision number */
- if ((reg & DWC3_GSNPSID_MASK) != 0x55330000) {
+ if ((reg & DWC3_GSNPSID_MASK) == 0x55330000) {
+ /* Detected DWC_usb3 IP */
+ dwc->revision = reg;
+ } else if ((reg & DWC3_GSNPSID_MASK) == 0x33310000) {
+ /* Detected DWC_usb31 IP */
+ dwc->revision = dwc3_readl(dwc->regs, DWC3_VER_NUMBER);
+ dwc->revision |= DWC3_REVISION_IS_DWC31;
+ } else {
dev_err(dwc->dev, "this is not a DesignWare USB3 DRD Core\n");
ret = -ENODEV;
goto err0;
}
- dwc->revision = reg;

/*
* Write Linux Version Code to our GUID register so it's easy to figure
@@ -879,6 +888,8 @@ static int dwc3_probe(struct platform_device *pdev)
"snps,dis_u3_susphy_quirk");
dwc->dis_u2_susphy_quirk = of_property_read_bool(node,
"snps,dis_u2_susphy_quirk");
+ dwc->dis_enblslpm_quirk = device_property_read_bool(dev,
+ "snps,dis_enblslpm_quirk");

dwc->tx_de_emphasis_quirk = of_property_read_bool(node,
"snps,tx_de_emphasis_quirk");
@@ -909,6 +920,7 @@ static int dwc3_probe(struct platform_device *pdev)
dwc->rx_detect_poll_quirk = pdata->rx_detect_poll_quirk;
dwc->dis_u3_susphy_quirk = pdata->dis_u3_susphy_quirk;
dwc->dis_u2_susphy_quirk = pdata->dis_u2_susphy_quirk;
+ dwc->dis_enblslpm_quirk = pdata->dis_enblslpm_quirk;

dwc->tx_de_emphasis_quirk = pdata->tx_de_emphasis_quirk;
if (pdata->tx_de_emphasis)
diff --git a/drivers/usb/dwc3/core.h b/drivers/usb/dwc3/core.h
index 044778884585..6e53ce9ce320 100644
--- a/drivers/usb/dwc3/core.h
+++ b/drivers/usb/dwc3/core.h
@@ -108,6 +108,9 @@
#define DWC3_GPRTBIMAP_FS0 0xc188
#define DWC3_GPRTBIMAP_FS1 0xc18c

+#define DWC3_VER_NUMBER 0xc1a0
+#define DWC3_VER_TYPE 0xc1a4
+
#define DWC3_GUSB2PHYCFG(n) (0xc200 + (n * 0x04))
#define DWC3_GUSB2I2CCTL(n) (0xc240 + (n * 0x04))

@@ -175,6 +178,7 @@
#define DWC3_GUSB2PHYCFG_PHYSOFTRST (1 << 31)
#define DWC3_GUSB2PHYCFG_SUSPHY (1 << 6)
#define DWC3_GUSB2PHYCFG_ULPI_UTMI (1 << 4)
+#define DWC3_GUSB2PHYCFG_ENBLSLPM (1 << 8)

/* Global USB2 PHY Vendor Control Register */
#define DWC3_GUSB2PHYACC_NEWREGREQ (1 << 25)
@@ -712,6 +716,8 @@ struct dwc3_scratchpad_array {
* @rx_detect_poll_quirk: set if we enable rx_detect to polling lfps quirk
* @dis_u3_susphy_quirk: set if we disable usb3 suspend phy
* @dis_u2_susphy_quirk: set if we disable usb2 suspend phy
+ * @dis_enblslpm_quirk: set if we clear enblslpm in GUSB2PHYCFG,
+ * disabling the suspend signal to the PHY.
* @tx_de_emphasis_quirk: set if we enable Tx de-emphasis quirk
* @tx_de_emphasis: Tx de-emphasis value
* 0 - -6dB de-emphasis
@@ -766,6 +772,14 @@ struct dwc3 {
u32 num_event_buffers;
u32 u1u2;
u32 maximum_speed;
+
+ /*
+ * All 3.1 IP version constants are greater than the 3.0 IP
+ * version constants. This works for most version checks in
+ * dwc3. However, in the future, this may not apply as
+ * features may be developed on newer versions of the 3.0 IP
+ * that are not in the 3.1 IP.
+ */
u32 revision;

#define DWC3_REVISION_173A 0x5533173a
@@ -788,6 +802,13 @@ struct dwc3 {
#define DWC3_REVISION_270A 0x5533270a
#define DWC3_REVISION_280A 0x5533280a

+/*
+ * NOTICE: we're using bit 31 as a "is usb 3.1" flag. This is really
+ * just so dwc31 revisions are always larger than dwc3.
+ */
+#define DWC3_REVISION_IS_DWC31 0x80000000
+#define DWC3_USB31_REVISION_110A (0x3131302a | DWC3_REVISION_IS_USB31)
+
enum dwc3_ep0_next ep0_next_event;
enum dwc3_ep0_state ep0state;
enum dwc3_link_state link_state;
@@ -841,6 +862,7 @@ struct dwc3 {
unsigned rx_detect_poll_quirk:1;
unsigned dis_u3_susphy_quirk:1;
unsigned dis_u2_susphy_quirk:1;
+ unsigned dis_enblslpm_quirk:1;

unsigned tx_de_emphasis_quirk:1;
unsigned tx_de_emphasis:2;
diff --git a/drivers/usb/dwc3/dwc3-pci.c b/drivers/usb/dwc3/dwc3-pci.c
index f62617999f3c..2cd33cb07ed9 100644
--- a/drivers/usb/dwc3/dwc3-pci.c
+++ b/drivers/usb/dwc3/dwc3-pci.c
@@ -27,6 +27,8 @@
#include "platform_data.h"

#define PCI_DEVICE_ID_SYNOPSYS_HAPSUSB3 0xabcd
+#define PCI_DEVICE_ID_SYNOPSYS_HAPSUSB3_AXI 0xabce
+#define PCI_DEVICE_ID_SYNOPSYS_HAPSUSB31 0xabcf
#define PCI_DEVICE_ID_INTEL_BYT 0x0f37
#define PCI_DEVICE_ID_INTEL_MRFLD 0x119e
#define PCI_DEVICE_ID_INTEL_BSW 0x22B7
@@ -106,6 +108,22 @@ static int dwc3_pci_quirks(struct pci_dev *pdev)
}
}

+ if (pdev->vendor == PCI_VENDOR_ID_SYNOPSYS &&
+ (pdev->device == PCI_DEVICE_ID_SYNOPSYS_HAPSUSB3 ||
+ pdev->device == PCI_DEVICE_ID_SYNOPSYS_HAPSUSB3_AXI ||
+ pdev->device == PCI_DEVICE_ID_SYNOPSYS_HAPSUSB31)) {
+
+ struct dwc3_platform_data pdata;
+
+ memset(&pdata, 0, sizeof(pdata));
+ pdata.usb3_lpm_capable = true;
+ pdata.has_lpm_erratum = true;
+ pdata.dis_enblslpm_quirk = true;
+
+ return platform_device_add_data(pci_get_drvdata(pdev), &pdata,
+ sizeof(pdata));
+ }
+
return 0;
}

@@ -178,6 +196,14 @@ static const struct pci_device_id dwc3_pci_id_table[] = {
PCI_DEVICE(PCI_VENDOR_ID_SYNOPSYS,
PCI_DEVICE_ID_SYNOPSYS_HAPSUSB3),
},
+ {
+ PCI_DEVICE(PCI_VENDOR_ID_SYNOPSYS,
+ PCI_DEVICE_ID_SYNOPSYS_HAPSUSB3_AXI),
+ },
+ {
+ PCI_DEVICE(PCI_VENDOR_ID_SYNOPSYS,
+ PCI_DEVICE_ID_SYNOPSYS_HAPSUSB31),
+ },
{ PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_BSW), },
{ PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_BYT), },
{ PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_MRFLD), },
diff --git a/drivers/usb/dwc3/gadget.c b/drivers/usb/dwc3/gadget.c
index 1e8bdf817811..9c38e4b0a262 100644
--- a/drivers/usb/dwc3/gadget.c
+++ b/drivers/usb/dwc3/gadget.c
@@ -1872,27 +1872,32 @@ static int dwc3_cleanup_done_reqs(struct dwc3 *dwc, struct dwc3_ep *dep,
unsigned int i;
int ret;

- req = next_request(&dep->req_queued);
- if (!req) {
- WARN_ON_ONCE(1);
- return 1;
- }
- i = 0;
do {
- slot = req->start_slot + i;
- if ((slot == DWC3_TRB_NUM - 1) &&
+ req = next_request(&dep->req_queued);
+ if (!req) {
+ WARN_ON_ONCE(1);
+ return 1;
+ }
+ i = 0;
+ do {
+ slot = req->start_slot + i;
+ if ((slot == DWC3_TRB_NUM - 1) &&
usb_endpoint_xfer_isoc(dep->endpoint.desc))
- slot++;
- slot %= DWC3_TRB_NUM;
- trb = &dep->trb_pool[slot];
+ slot++;
+ slot %= DWC3_TRB_NUM;
+ trb = &dep->trb_pool[slot];
+
+ ret = __dwc3_cleanup_done_trbs(dwc, dep, req, trb,
+ event, status);
+ if (ret)
+ break;
+ } while (++i < req->request.num_mapped_sgs);
+
+ dwc3_gadget_giveback(dep, req, status);

- ret = __dwc3_cleanup_done_trbs(dwc, dep, req, trb,
- event, status);
if (ret)
break;
- } while (++i < req->request.num_mapped_sgs);
-
- dwc3_gadget_giveback(dep, req, status);
+ } while (1);

if (usb_endpoint_xfer_isoc(dep->endpoint.desc) &&
list_empty(&dep->req_queued)) {
@@ -2718,12 +2723,34 @@ int dwc3_gadget_init(struct dwc3 *dwc)
}

dwc->gadget.ops = &dwc3_gadget_ops;
- dwc->gadget.max_speed = USB_SPEED_SUPER;
dwc->gadget.speed = USB_SPEED_UNKNOWN;
dwc->gadget.sg_supported = true;
dwc->gadget.name = "dwc3-gadget";

/*
+ * FIXME We might be setting max_speed to <SUPER, however versions
+ * <2.20a of dwc3 have an issue with metastability (documented
+ * elsewhere in this driver) which tells us we can't set max speed to
+ * anything lower than SUPER.
+ *
+ * Because gadget.max_speed is only used by composite.c and function
+ * drivers (i.e. it won't go into dwc3's registers) we are allowing this
+ * to happen so we avoid sending SuperSpeed Capability descriptor
+ * together with our BOS descriptor as that could confuse host into
+ * thinking we can handle super speed.
+ *
+ * Note that, in fact, we won't even support GetBOS requests when speed
+ * is less than super speed because we don't have means, yet, to tell
+ * composite.c that we are USB 2.0 + LPM ECN.
+ */
+ if (dwc->revision < DWC3_REVISION_220A)
+ dwc3_trace(trace_dwc3_gadget,
+ "Changing max_speed on rev %08x\n",
+ dwc->revision);
+
+ dwc->gadget.max_speed = dwc->maximum_speed;
+
+ /*
* Per databook, DWC3 needs buffer size to be aligned to MaxPacketSize
* on ep out.
*/
diff --git a/drivers/usb/dwc3/platform_data.h b/drivers/usb/dwc3/platform_data.h
index d3614ecbb9ca..db2938002260 100644
--- a/drivers/usb/dwc3/platform_data.h
+++ b/drivers/usb/dwc3/platform_data.h
@@ -42,6 +42,7 @@ struct dwc3_platform_data {
unsigned rx_detect_poll_quirk:1;
unsigned dis_u3_susphy_quirk:1;
unsigned dis_u2_susphy_quirk:1;
+ unsigned dis_enblslpm_quirk:1;

unsigned tx_de_emphasis_quirk:1;
unsigned tx_de_emphasis:2;
diff --git a/drivers/usb/gadget/udc/atmel_usba_udc.c b/drivers/usb/gadget/udc/atmel_usba_udc.c
index f0f2b066ac08..f92f5aff0dd5 100644
--- a/drivers/usb/gadget/udc/atmel_usba_udc.c
+++ b/drivers/usb/gadget/udc/atmel_usba_udc.c
@@ -1633,7 +1633,7 @@ static irqreturn_t usba_udc_irq(int irq, void *devid)
spin_lock(&udc->lock);

int_enb = usba_int_enb_get(udc);
- status = usba_readl(udc, INT_STA) & int_enb;
+ status = usba_readl(udc, INT_STA) & (int_enb | USBA_HIGH_SPEED);
DBG(DBG_INT, "irq, status=%#08x\n", status);

if (status & USBA_DET_SUSPEND) {
diff --git a/drivers/usb/gadget/udc/net2280.c b/drivers/usb/gadget/udc/net2280.c
index cf0ed42f5591..6706aef907f4 100644
--- a/drivers/usb/gadget/udc/net2280.c
+++ b/drivers/usb/gadget/udc/net2280.c
@@ -1913,7 +1913,7 @@ static void defect7374_disable_data_eps(struct net2280 *dev)

for (i = 1; i < 5; i++) {
ep = &dev->ep[i];
- writel(0, &ep->cfg->ep_cfg);
+ writel(i, &ep->cfg->ep_cfg);
}

/* CSROUT, CSRIN, PCIOUT, PCIIN, STATIN, RCIN */
diff --git a/drivers/usb/host/ehci-orion.c b/drivers/usb/host/ehci-orion.c
index bfcbb9aa8816..ee8d5faa0194 100644
--- a/drivers/usb/host/ehci-orion.c
+++ b/drivers/usb/host/ehci-orion.c
@@ -224,7 +224,8 @@ static int ehci_orion_drv_probe(struct platform_device *pdev)
priv->phy = devm_phy_optional_get(&pdev->dev, "usb");
if (IS_ERR(priv->phy)) {
err = PTR_ERR(priv->phy);
- goto err_phy_get;
+ if (err != -ENOSYS)
+ goto err_phy_get;
} else {
err = phy_init(priv->phy);
if (err)
diff --git a/drivers/usb/host/xhci-ring.c b/drivers/usb/host/xhci-ring.c
index 97ffe3997273..fe9e2d3a223c 100644
--- a/drivers/usb/host/xhci-ring.c
+++ b/drivers/usb/host/xhci-ring.c
@@ -3914,28 +3914,6 @@ cleanup:
return ret;
}

-static int ep_ring_is_processing(struct xhci_hcd *xhci,
- int slot_id, unsigned int ep_index)
-{
- struct xhci_virt_device *xdev;
- struct xhci_ring *ep_ring;
- struct xhci_ep_ctx *ep_ctx;
- struct xhci_virt_ep *xep;
- dma_addr_t hw_deq;
-
- xdev = xhci->devs[slot_id];
- xep = &xhci->devs[slot_id]->eps[ep_index];
- ep_ring = xep->ring;
- ep_ctx = xhci_get_ep_ctx(xhci, xdev->out_ctx, ep_index);
-
- if ((le32_to_cpu(ep_ctx->ep_info) & EP_STATE_MASK) != EP_STATE_RUNNING)
- return 0;
-
- hw_deq = le64_to_cpu(ep_ctx->deq) & ~EP_CTX_CYCLE_MASK;
- return (hw_deq !=
- xhci_trb_virt_to_dma(ep_ring->enq_seg, ep_ring->enqueue));
-}
-
/*
* Check transfer ring to guarantee there is enough room for the urb.
* Update ISO URB start_frame and interval.
@@ -4001,10 +3979,12 @@ int xhci_queue_isoc_tx_prepare(struct xhci_hcd *xhci, gfp_t mem_flags,
}

/* Calculate the start frame and put it in urb->start_frame. */
- if (HCC_CFC(xhci->hcc_params) &&
- ep_ring_is_processing(xhci, slot_id, ep_index)) {
- urb->start_frame = xep->next_frame_id;
- goto skip_start_over;
+ if (HCC_CFC(xhci->hcc_params) && !list_empty(&ep_ring->td_list)) {
+ if ((le32_to_cpu(ep_ctx->ep_info) & EP_STATE_MASK) ==
+ EP_STATE_RUNNING) {
+ urb->start_frame = xep->next_frame_id;
+ goto skip_start_over;
+ }
}

start_frame = readl(&xhci->run_regs->microframe_index);
diff --git a/drivers/usb/host/xhci.c b/drivers/usb/host/xhci.c
index 9957bd96d4bc..385f9f5d6715 100644
--- a/drivers/usb/host/xhci.c
+++ b/drivers/usb/host/xhci.c
@@ -175,6 +175,16 @@ int xhci_reset(struct xhci_hcd *xhci)
command |= CMD_RESET;
writel(command, &xhci->op_regs->command);

+ /* Existing Intel xHCI controllers require a delay of 1 mS,
+ * after setting the CMD_RESET bit, and before accessing any
+ * HC registers. This allows the HC to complete the
+ * reset operation and be ready for HC register access.
+ * Without this delay, the subsequent HC register access,
+ * may result in a system hang very rarely.
+ */
+ if (xhci->quirks & XHCI_INTEL_HOST)
+ udelay(1000);
+
ret = xhci_handshake(&xhci->op_regs->command,
CMD_RESET, 0, 10 * 1000 * 1000);
if (ret)
diff --git a/drivers/usb/musb/musb_core.c b/drivers/usb/musb/musb_core.c
index 4a518ff12310..2c624a10748d 100644
--- a/drivers/usb/musb/musb_core.c
+++ b/drivers/usb/musb/musb_core.c
@@ -132,7 +132,7 @@ static inline struct musb *dev_to_musb(struct device *dev)
/*-------------------------------------------------------------------------*/

#ifndef CONFIG_BLACKFIN
-static int musb_ulpi_read(struct usb_phy *phy, u32 offset)
+static int musb_ulpi_read(struct usb_phy *phy, u32 reg)
{
void __iomem *addr = phy->io_priv;
int i = 0;
@@ -151,7 +151,7 @@ static int musb_ulpi_read(struct usb_phy *phy, u32 offset)
* ULPICarKitControlDisableUTMI after clearing POWER_SUSPENDM.
*/

- musb_writeb(addr, MUSB_ULPI_REG_ADDR, (u8)offset);
+ musb_writeb(addr, MUSB_ULPI_REG_ADDR, (u8)reg);
musb_writeb(addr, MUSB_ULPI_REG_CONTROL,
MUSB_ULPI_REG_REQ | MUSB_ULPI_RDN_WR);

@@ -176,7 +176,7 @@ out:
return ret;
}

-static int musb_ulpi_write(struct usb_phy *phy, u32 offset, u32 data)
+static int musb_ulpi_write(struct usb_phy *phy, u32 val, u32 reg)
{
void __iomem *addr = phy->io_priv;
int i = 0;
@@ -191,8 +191,8 @@ static int musb_ulpi_write(struct usb_phy *phy, u32 offset, u32 data)
power &= ~MUSB_POWER_SUSPENDM;
musb_writeb(addr, MUSB_POWER, power);

- musb_writeb(addr, MUSB_ULPI_REG_ADDR, (u8)offset);
- musb_writeb(addr, MUSB_ULPI_REG_DATA, (u8)data);
+ musb_writeb(addr, MUSB_ULPI_REG_ADDR, (u8)reg);
+ musb_writeb(addr, MUSB_ULPI_REG_DATA, (u8)val);
musb_writeb(addr, MUSB_ULPI_REG_CONTROL, MUSB_ULPI_REG_REQ);

while (!(musb_readb(addr, MUSB_ULPI_REG_CONTROL)
diff --git a/drivers/usb/phy/phy-omap-otg.c b/drivers/usb/phy/phy-omap-otg.c
index 1270906ccb95..c4bf2de6d14e 100644
--- a/drivers/usb/phy/phy-omap-otg.c
+++ b/drivers/usb/phy/phy-omap-otg.c
@@ -105,7 +105,6 @@ static int omap_otg_probe(struct platform_device *pdev)
extcon = extcon_get_extcon_dev(config->extcon);
if (!extcon)
return -EPROBE_DEFER;
- otg_dev->extcon = extcon;

otg_dev = devm_kzalloc(&pdev->dev, sizeof(*otg_dev), GFP_KERNEL);
if (!otg_dev)
@@ -115,6 +114,7 @@ static int omap_otg_probe(struct platform_device *pdev)
if (IS_ERR(otg_dev->base))
return PTR_ERR(otg_dev->base);

+ otg_dev->extcon = extcon;
otg_dev->id_nb.notifier_call = omap_otg_id_notifier;
otg_dev->vbus_nb.notifier_call = omap_otg_vbus_notifier;

diff --git a/drivers/usb/serial/option.c b/drivers/usb/serial/option.c
index 6956c4f62216..e945b5195258 100644
--- a/drivers/usb/serial/option.c
+++ b/drivers/usb/serial/option.c
@@ -162,6 +162,7 @@ static void option_instat_callback(struct urb *urb);
#define NOVATELWIRELESS_PRODUCT_HSPA_EMBEDDED_HIGHSPEED 0x9001
#define NOVATELWIRELESS_PRODUCT_E362 0x9010
#define NOVATELWIRELESS_PRODUCT_E371 0x9011
+#define NOVATELWIRELESS_PRODUCT_U620L 0x9022
#define NOVATELWIRELESS_PRODUCT_G2 0xA010
#define NOVATELWIRELESS_PRODUCT_MC551 0xB001

@@ -357,6 +358,7 @@ static void option_instat_callback(struct urb *urb);
/* This is the 4G XS Stick W14 a.k.a. Mobilcom Debitel Surf-Stick *
* It seems to contain a Qualcomm QSC6240/6290 chipset */
#define FOUR_G_SYSTEMS_PRODUCT_W14 0x9603
+#define FOUR_G_SYSTEMS_PRODUCT_W100 0x9b01

/* iBall 3.5G connect wireless modem */
#define IBALL_3_5G_CONNECT 0x9605
@@ -522,6 +524,11 @@ static const struct option_blacklist_info four_g_w14_blacklist = {
.sendsetup = BIT(0) | BIT(1),
};

+static const struct option_blacklist_info four_g_w100_blacklist = {
+ .sendsetup = BIT(1) | BIT(2),
+ .reserved = BIT(3),
+};
+
static const struct option_blacklist_info alcatel_x200_blacklist = {
.sendsetup = BIT(0) | BIT(1),
.reserved = BIT(4),
@@ -1060,6 +1067,7 @@ static const struct usb_device_id option_ids[] = {
{ USB_DEVICE_AND_INTERFACE_INFO(NOVATELWIRELESS_VENDOR_ID, NOVATELWIRELESS_PRODUCT_MC551, 0xff, 0xff, 0xff) },
{ USB_DEVICE_AND_INTERFACE_INFO(NOVATELWIRELESS_VENDOR_ID, NOVATELWIRELESS_PRODUCT_E362, 0xff, 0xff, 0xff) },
{ USB_DEVICE_AND_INTERFACE_INFO(NOVATELWIRELESS_VENDOR_ID, NOVATELWIRELESS_PRODUCT_E371, 0xff, 0xff, 0xff) },
+ { USB_DEVICE_AND_INTERFACE_INFO(NOVATELWIRELESS_VENDOR_ID, NOVATELWIRELESS_PRODUCT_U620L, 0xff, 0x00, 0x00) },

{ USB_DEVICE(AMOI_VENDOR_ID, AMOI_PRODUCT_H01) },
{ USB_DEVICE(AMOI_VENDOR_ID, AMOI_PRODUCT_H01A) },
@@ -1653,6 +1661,9 @@ static const struct usb_device_id option_ids[] = {
{ USB_DEVICE(LONGCHEER_VENDOR_ID, FOUR_G_SYSTEMS_PRODUCT_W14),
.driver_info = (kernel_ulong_t)&four_g_w14_blacklist
},
+ { USB_DEVICE(LONGCHEER_VENDOR_ID, FOUR_G_SYSTEMS_PRODUCT_W100),
+ .driver_info = (kernel_ulong_t)&four_g_w100_blacklist
+ },
{ USB_DEVICE_INTERFACE_CLASS(LONGCHEER_VENDOR_ID, SPEEDUP_PRODUCT_SU9800, 0xff) },
{ USB_DEVICE(LONGCHEER_VENDOR_ID, ZOOM_PRODUCT_4597) },
{ USB_DEVICE(LONGCHEER_VENDOR_ID, IBALL_3_5G_CONNECT) },
diff --git a/drivers/usb/serial/qcserial.c b/drivers/usb/serial/qcserial.c
index ebcec8cda858..514fa91cf74e 100644
--- a/drivers/usb/serial/qcserial.c
+++ b/drivers/usb/serial/qcserial.c
@@ -22,6 +22,8 @@
#define DRIVER_AUTHOR "Qualcomm Inc"
#define DRIVER_DESC "Qualcomm USB Serial driver"

+#define QUECTEL_EC20_PID 0x9215
+
/* standard device layouts supported by this driver */
enum qcserial_layouts {
QCSERIAL_G2K = 0, /* Gobi 2000 */
@@ -153,6 +155,8 @@ static const struct usb_device_id id_table[] = {
{DEVICE_SWI(0x1199, 0x9056)}, /* Sierra Wireless Modem */
{DEVICE_SWI(0x1199, 0x9060)}, /* Sierra Wireless Modem */
{DEVICE_SWI(0x1199, 0x9061)}, /* Sierra Wireless Modem */
+ {DEVICE_SWI(0x1199, 0x9070)}, /* Sierra Wireless MC74xx/EM74xx */
+ {DEVICE_SWI(0x1199, 0x9071)}, /* Sierra Wireless MC74xx/EM74xx */
{DEVICE_SWI(0x413c, 0x81a2)}, /* Dell Wireless 5806 Gobi(TM) 4G LTE Mobile Broadband Card */
{DEVICE_SWI(0x413c, 0x81a3)}, /* Dell Wireless 5570 HSPA+ (42Mbps) Mobile Broadband Card */
{DEVICE_SWI(0x413c, 0x81a4)}, /* Dell Wireless 5570e HSPA+ (42Mbps) Mobile Broadband Card */
@@ -167,6 +171,38 @@ static const struct usb_device_id id_table[] = {
};
MODULE_DEVICE_TABLE(usb, id_table);

+static int handle_quectel_ec20(struct device *dev, int ifnum)
+{
+ int altsetting = 0;
+
+ /*
+ * Quectel EC20 Mini PCIe LTE module layout:
+ * 0: DM/DIAG (use libqcdm from ModemManager for communication)
+ * 1: NMEA
+ * 2: AT-capable modem port
+ * 3: Modem interface
+ * 4: NDIS
+ */
+ switch (ifnum) {
+ case 0:
+ dev_dbg(dev, "Quectel EC20 DM/DIAG interface found\n");
+ break;
+ case 1:
+ dev_dbg(dev, "Quectel EC20 NMEA GPS interface found\n");
+ break;
+ case 2:
+ case 3:
+ dev_dbg(dev, "Quectel EC20 Modem port found\n");
+ break;
+ case 4:
+ /* Don't claim the QMI/net interface */
+ altsetting = -1;
+ break;
+ }
+
+ return altsetting;
+}
+
static int qcprobe(struct usb_serial *serial, const struct usb_device_id *id)
{
struct usb_host_interface *intf = serial->interface->cur_altsetting;
@@ -176,6 +212,10 @@ static int qcprobe(struct usb_serial *serial, const struct usb_device_id *id)
__u8 ifnum;
int altsetting = -1;

+ /* we only support vendor specific functions */
+ if (intf->desc.bInterfaceClass != USB_CLASS_VENDOR_SPEC)
+ goto done;
+
nintf = serial->dev->actconfig->desc.bNumInterfaces;
dev_dbg(dev, "Num Interfaces = %d\n", nintf);
ifnum = intf->desc.bInterfaceNumber;
@@ -235,6 +275,12 @@ static int qcprobe(struct usb_serial *serial, const struct usb_device_id *id)
altsetting = -1;
break;
case QCSERIAL_G2K:
+ /* handle non-standard layouts */
+ if (nintf == 5 && id->idProduct == QUECTEL_EC20_PID) {
+ altsetting = handle_quectel_ec20(dev, ifnum);
+ goto done;
+ }
+
/*
* Gobi 2K+ USB layout:
* 0: QMI/net
@@ -295,29 +341,39 @@ static int qcprobe(struct usb_serial *serial, const struct usb_device_id *id)
break;
case QCSERIAL_HWI:
/*
- * Huawei layout:
- * 0: AT-capable modem port
- * 1: DM/DIAG
- * 2: AT-capable modem port
- * 3: CCID-compatible PCSC interface
- * 4: QMI/net
- * 5: NMEA
+ * Huawei devices map functions by subclass + protocol
+ * instead of interface numbers. The protocol identify
+ * a specific function, while the subclass indicate a
+ * specific firmware source
+ *
+ * This is a blacklist of functions known to be
+ * non-serial. The rest are assumed to be serial and
+ * will be handled by this driver
*/
- switch (ifnum) {
- case 0:
- case 2:
- dev_dbg(dev, "Modem port found\n");
- break;
- case 1:
- dev_dbg(dev, "DM/DIAG interface found\n");
- break;
- case 5:
- dev_dbg(dev, "NMEA GPS interface found\n");
- break;
- default:
- /* don't claim any unsupported interface */
+ switch (intf->desc.bInterfaceProtocol) {
+ /* QMI combined (qmi_wwan) */
+ case 0x07:
+ case 0x37:
+ case 0x67:
+ /* QMI data (qmi_wwan) */
+ case 0x08:
+ case 0x38:
+ case 0x68:
+ /* QMI control (qmi_wwan) */
+ case 0x09:
+ case 0x39:
+ case 0x69:
+ /* NCM like (huawei_cdc_ncm) */
+ case 0x16:
+ case 0x46:
+ case 0x76:
altsetting = -1;
break;
+ default:
+ dev_dbg(dev, "Huawei type serial port found (%02x/%02x/%02x)\n",
+ intf->desc.bInterfaceClass,
+ intf->desc.bInterfaceSubClass,
+ intf->desc.bInterfaceProtocol);
}
break;
default:
diff --git a/drivers/usb/serial/ti_usb_3410_5052.c b/drivers/usb/serial/ti_usb_3410_5052.c
index e9da41d9fe7f..2694df2f4559 100644
--- a/drivers/usb/serial/ti_usb_3410_5052.c
+++ b/drivers/usb/serial/ti_usb_3410_5052.c
@@ -159,6 +159,7 @@ static const struct usb_device_id ti_id_table_3410[] = {
{ USB_DEVICE(ABBOTT_VENDOR_ID, ABBOTT_STEREO_PLUG_ID) },
{ USB_DEVICE(ABBOTT_VENDOR_ID, ABBOTT_STRIP_PORT_ID) },
{ USB_DEVICE(TI_VENDOR_ID, FRI2_PRODUCT_ID) },
+ { USB_DEVICE(HONEYWELL_VENDOR_ID, HONEYWELL_HGI80_PRODUCT_ID) },
{ } /* terminator */
};

@@ -191,6 +192,7 @@ static const struct usb_device_id ti_id_table_combined[] = {
{ USB_DEVICE(ABBOTT_VENDOR_ID, ABBOTT_PRODUCT_ID) },
{ USB_DEVICE(ABBOTT_VENDOR_ID, ABBOTT_STRIP_PORT_ID) },
{ USB_DEVICE(TI_VENDOR_ID, FRI2_PRODUCT_ID) },
+ { USB_DEVICE(HONEYWELL_VENDOR_ID, HONEYWELL_HGI80_PRODUCT_ID) },
{ } /* terminator */
};

diff --git a/drivers/usb/serial/ti_usb_3410_5052.h b/drivers/usb/serial/ti_usb_3410_5052.h
index 4a2423e84d55..98f35c656c02 100644
--- a/drivers/usb/serial/ti_usb_3410_5052.h
+++ b/drivers/usb/serial/ti_usb_3410_5052.h
@@ -56,6 +56,10 @@
#define ABBOTT_PRODUCT_ID ABBOTT_STEREO_PLUG_ID
#define ABBOTT_STRIP_PORT_ID 0x3420

+/* Honeywell vendor and product IDs */
+#define HONEYWELL_VENDOR_ID 0x10ac
+#define HONEYWELL_HGI80_PRODUCT_ID 0x0102 /* Honeywell HGI80 */
+
/* Commands */
#define TI_GET_VERSION 0x01
#define TI_GET_PORT_STATUS 0x02
diff --git a/drivers/xen/events/events_base.c b/drivers/xen/events/events_base.c
index 6cd5e65c4aff..fb236239972f 100644
--- a/drivers/xen/events/events_base.c
+++ b/drivers/xen/events/events_base.c
@@ -39,6 +39,7 @@
#include <asm/irq.h>
#include <asm/idle.h>
#include <asm/io_apic.h>
+#include <asm/i8259.h>
#include <asm/xen/pci.h>
#include <xen/page.h>
#endif
@@ -420,7 +421,7 @@ static int __must_check xen_allocate_irq_gsi(unsigned gsi)
return xen_allocate_irq_dynamic();

/* Legacy IRQ descriptors are already allocated by the arch. */
- if (gsi < NR_IRQS_LEGACY)
+ if (gsi < nr_legacy_irqs())
irq = gsi;
else
irq = irq_alloc_desc_at(gsi, -1);
@@ -446,7 +447,7 @@ static void xen_free_irq(unsigned irq)
kfree(info);

/* Legacy IRQ descriptors are managed by the arch. */
- if (irq < NR_IRQS_LEGACY)
+ if (irq < nr_legacy_irqs())
return;

irq_free_desc(irq);
diff --git a/fs/proc/array.c b/fs/proc/array.c
index f60f0121e331..eed2050db9be 100644
--- a/fs/proc/array.c
+++ b/fs/proc/array.c
@@ -375,7 +375,7 @@ int proc_pid_status(struct seq_file *m, struct pid_namespace *ns,
static int do_task_stat(struct seq_file *m, struct pid_namespace *ns,
struct pid *pid, struct task_struct *task, int whole)
{
- unsigned long vsize, eip, esp, wchan = ~0UL;
+ unsigned long vsize, eip, esp, wchan = 0;
int priority, nice;
int tty_pgrp = -1, tty_nr = 0;
sigset_t sigign, sigcatch;
@@ -507,7 +507,19 @@ static int do_task_stat(struct seq_file *m, struct pid_namespace *ns,
seq_put_decimal_ull(m, ' ', task->blocked.sig[0] & 0x7fffffffUL);
seq_put_decimal_ull(m, ' ', sigign.sig[0] & 0x7fffffffUL);
seq_put_decimal_ull(m, ' ', sigcatch.sig[0] & 0x7fffffffUL);
- seq_put_decimal_ull(m, ' ', wchan);
+
+ /*
+ * We used to output the absolute kernel address, but that's an
+ * information leak - so instead we show a 0/1 flag here, to signal
+ * to user-space whether there's a wchan field in /proc/PID/wchan.
+ *
+ * This works with older implementations of procps as well.
+ */
+ if (wchan)
+ seq_puts(m, " 1");
+ else
+ seq_puts(m, " 0");
+
seq_put_decimal_ull(m, ' ', 0);
seq_put_decimal_ull(m, ' ', 0);
seq_put_decimal_ll(m, ' ', task->exit_signal);
diff --git a/fs/proc/base.c b/fs/proc/base.c
index b25eee4cead5..29595af32866 100644
--- a/fs/proc/base.c
+++ b/fs/proc/base.c
@@ -430,13 +430,10 @@ static int proc_pid_wchan(struct seq_file *m, struct pid_namespace *ns,

wchan = get_wchan(task);

- if (lookup_symbol_name(wchan, symname) < 0) {
- if (!ptrace_may_access(task, PTRACE_MODE_READ))
- return 0;
- seq_printf(m, "%lu", wchan);
- } else {
+ if (wchan && ptrace_may_access(task, PTRACE_MODE_READ) && !lookup_symbol_name(wchan, symname))
seq_printf(m, "%s", symname);
- }
+ else
+ seq_putc(m, '0');

return 0;
}
diff --git a/include/linux/kvm_host.h b/include/linux/kvm_host.h
index 1bef9e21e725..e480f9fbdd62 100644
--- a/include/linux/kvm_host.h
+++ b/include/linux/kvm_host.h
@@ -442,6 +442,17 @@ static inline struct kvm_vcpu *kvm_get_vcpu(struct kvm *kvm, int i)
(vcpup = kvm_get_vcpu(kvm, idx)) != NULL; \
idx++)

+static inline struct kvm_vcpu *kvm_get_vcpu_by_id(struct kvm *kvm, int id)
+{
+ struct kvm_vcpu *vcpu;
+ int i;
+
+ kvm_for_each_vcpu(i, vcpu, kvm)
+ if (vcpu->vcpu_id == id)
+ return vcpu;
+ return NULL;
+}
+
#define kvm_for_each_memslot(memslot, slots) \
for (memslot = &slots->memslots[0]; \
memslot < slots->memslots + KVM_MEM_SLOTS_NUM && memslot->npages;\
diff --git a/include/linux/tty.h b/include/linux/tty.h
index d072ded41678..9bddda029b45 100644
--- a/include/linux/tty.h
+++ b/include/linux/tty.h
@@ -605,7 +605,7 @@ extern void n_tty_inherit_ops(struct tty_ldisc_ops *ops);

/* tty_audit.c */
#ifdef CONFIG_AUDIT
-extern void tty_audit_add_data(struct tty_struct *tty, unsigned char *data,
+extern void tty_audit_add_data(struct tty_struct *tty, const void *data,
size_t size, unsigned icanon);
extern void tty_audit_exit(void);
extern void tty_audit_fork(struct signal_struct *sig);
@@ -613,8 +613,8 @@ extern void tty_audit_tiocsti(struct tty_struct *tty, char ch);
extern void tty_audit_push(struct tty_struct *tty);
extern int tty_audit_push_current(void);
#else
-static inline void tty_audit_add_data(struct tty_struct *tty,
- unsigned char *data, size_t size, unsigned icanon)
+static inline void tty_audit_add_data(struct tty_struct *tty, const void *data,
+ size_t size, unsigned icanon)
{
}
static inline void tty_audit_tiocsti(struct tty_struct *tty, char ch)
diff --git a/include/net/bluetooth/hci_core.h b/include/net/bluetooth/hci_core.h
index 9e1a59e01fa2..544a0201abdb 100644
--- a/include/net/bluetooth/hci_core.h
+++ b/include/net/bluetooth/hci_core.h
@@ -469,6 +469,7 @@ struct hci_conn {
struct delayed_work auto_accept_work;
struct delayed_work idle_work;
struct delayed_work le_conn_timeout;
+ struct work_struct le_scan_cleanup;

struct device dev;
struct dentry *debugfs;
diff --git a/include/net/dst_metadata.h b/include/net/dst_metadata.h
index ce009710120c..6816f0fa5693 100644
--- a/include/net/dst_metadata.h
+++ b/include/net/dst_metadata.h
@@ -63,12 +63,13 @@ static inline struct metadata_dst *tun_rx_dst(int md_size)
static inline struct metadata_dst *tun_dst_unclone(struct sk_buff *skb)
{
struct metadata_dst *md_dst = skb_metadata_dst(skb);
- int md_size = md_dst->u.tun_info.options_len;
+ int md_size;
struct metadata_dst *new_md;

if (!md_dst)
return ERR_PTR(-EINVAL);

+ md_size = md_dst->u.tun_info.options_len;
new_md = metadata_dst_alloc(md_size, GFP_ATOMIC);
if (!new_md)
return ERR_PTR(-ENOMEM);
diff --git a/include/net/inet_common.h b/include/net/inet_common.h
index 279f83591971..109e3ee9108c 100644
--- a/include/net/inet_common.h
+++ b/include/net/inet_common.h
@@ -41,7 +41,8 @@ int inet_recv_error(struct sock *sk, struct msghdr *msg, int len,

static inline void inet_ctl_sock_destroy(struct sock *sk)
{
- sock_release(sk->sk_socket);
+ if (sk)
+ sock_release(sk->sk_socket);
}

#endif
diff --git a/include/net/ip_fib.h b/include/net/ip_fib.h
index 727d6e9a9685..965fa5b1a274 100644
--- a/include/net/ip_fib.h
+++ b/include/net/ip_fib.h
@@ -317,7 +317,7 @@ void fib_flush_external(struct net *net);

/* Exported by fib_semantics.c */
int ip_fib_check_default(__be32 gw, struct net_device *dev);
-int fib_sync_down_dev(struct net_device *dev, unsigned long event);
+int fib_sync_down_dev(struct net_device *dev, unsigned long event, bool force);
int fib_sync_down_addr(struct net *net, __be32 local);
int fib_sync_up(struct net_device *dev, unsigned int nh_flags);
void fib_select_multipath(struct fib_result *res);
diff --git a/net/bluetooth/hci_conn.c b/net/bluetooth/hci_conn.c
index 2dda439c8cb8..ec4836f243bc 100644
--- a/net/bluetooth/hci_conn.c
+++ b/net/bluetooth/hci_conn.c
@@ -137,18 +137,51 @@ static void hci_conn_cleanup(struct hci_conn *conn)
hci_conn_put(conn);
}

-/* This function requires the caller holds hdev->lock */
-static void hci_connect_le_scan_remove(struct hci_conn *conn)
+static void le_scan_cleanup(struct work_struct *work)
{
- hci_connect_le_scan_cleanup(conn);
+ struct hci_conn *conn = container_of(work, struct hci_conn,
+ le_scan_cleanup);
+ struct hci_dev *hdev = conn->hdev;
+ struct hci_conn *c = NULL;

- /* We can't call hci_conn_del here since that would deadlock
- * with trying to call cancel_delayed_work_sync(&conn->disc_work).
- * Instead, call just hci_conn_cleanup() which contains the bare
- * minimum cleanup operations needed for a connection in this
- * state.
+ BT_DBG("%s hcon %p", hdev->name, conn);
+
+ hci_dev_lock(hdev);
+
+ /* Check that the hci_conn is still around */
+ rcu_read_lock();
+ list_for_each_entry_rcu(c, &hdev->conn_hash.list, list) {
+ if (c == conn)
+ break;
+ }
+ rcu_read_unlock();
+
+ if (c == conn) {
+ hci_connect_le_scan_cleanup(conn);
+ hci_conn_cleanup(conn);
+ }
+
+ hci_dev_unlock(hdev);
+ hci_dev_put(hdev);
+ hci_conn_put(conn);
+}
+
+static void hci_connect_le_scan_remove(struct hci_conn *conn)
+{
+ BT_DBG("%s hcon %p", conn->hdev->name, conn);
+
+ /* We can't call hci_conn_del/hci_conn_cleanup here since that
+ * could deadlock with another hci_conn_del() call that's holding
+ * hci_dev_lock and doing cancel_delayed_work_sync(&conn->disc_work).
+ * Instead, grab temporary extra references to the hci_dev and
+ * hci_conn and perform the necessary cleanup in a separate work
+ * callback.
*/
- hci_conn_cleanup(conn);
+
+ hci_dev_hold(conn->hdev);
+ hci_conn_get(conn);
+
+ schedule_work(&conn->le_scan_cleanup);
}

static void hci_acl_create_connection(struct hci_conn *conn)
@@ -580,6 +613,7 @@ struct hci_conn *hci_conn_add(struct hci_dev *hdev, int type, bdaddr_t *dst,
INIT_DELAYED_WORK(&conn->auto_accept_work, hci_conn_auto_accept);
INIT_DELAYED_WORK(&conn->idle_work, hci_conn_idle);
INIT_DELAYED_WORK(&conn->le_conn_timeout, le_conn_timeout);
+ INIT_WORK(&conn->le_scan_cleanup, le_scan_cleanup);

atomic_set(&conn->refcnt, 0);

diff --git a/net/bluetooth/hidp/core.c b/net/bluetooth/hidp/core.c
index f1a117f8cad2..0bec4588c3c8 100644
--- a/net/bluetooth/hidp/core.c
+++ b/net/bluetooth/hidp/core.c
@@ -401,6 +401,20 @@ static void hidp_idle_timeout(unsigned long arg)
{
struct hidp_session *session = (struct hidp_session *) arg;

+ /* The HIDP user-space API only contains calls to add and remove
+ * devices. There is no way to forward events of any kind. Therefore,
+ * we have to forcefully disconnect a device on idle-timeouts. This is
+ * unfortunate and weird API design, but it is spec-compliant and
+ * required for backwards-compatibility. Hence, on idle-timeout, we
+ * signal driver-detach events, so poll() will be woken up with an
+ * error-condition on both sockets.
+ */
+
+ session->intr_sock->sk->sk_err = EUNATCH;
+ session->ctrl_sock->sk->sk_err = EUNATCH;
+ wake_up_interruptible(sk_sleep(session->intr_sock->sk));
+ wake_up_interruptible(sk_sleep(session->ctrl_sock->sk));
+
hidp_session_terminate(session);
}

diff --git a/net/bluetooth/mgmt.c b/net/bluetooth/mgmt.c
index c4fe2fee753f..72c9376ec03c 100644
--- a/net/bluetooth/mgmt.c
+++ b/net/bluetooth/mgmt.c
@@ -3090,6 +3090,11 @@ static int unpair_device(struct sock *sk, struct hci_dev *hdev, void *data,
} else {
u8 addr_type;

+ if (cp->addr.type == BDADDR_LE_PUBLIC)
+ addr_type = ADDR_LE_DEV_PUBLIC;
+ else
+ addr_type = ADDR_LE_DEV_RANDOM;
+
conn = hci_conn_hash_lookup_ba(hdev, LE_LINK,
&cp->addr.bdaddr);
if (conn) {
@@ -3105,13 +3110,10 @@ static int unpair_device(struct sock *sk, struct hci_dev *hdev, void *data,
*/
if (!cp->disconnect)
conn = NULL;
+ } else {
+ hci_conn_params_del(hdev, &cp->addr.bdaddr, addr_type);
}

- if (cp->addr.type == BDADDR_LE_PUBLIC)
- addr_type = ADDR_LE_DEV_PUBLIC;
- else
- addr_type = ADDR_LE_DEV_RANDOM;
-
hci_remove_irk(hdev, &cp->addr.bdaddr, addr_type);

err = hci_remove_ltk(hdev, &cp->addr.bdaddr, addr_type);
diff --git a/net/core/dst.c b/net/core/dst.c
index 0771c8cb9307..d6a5a0bc7df5 100644
--- a/net/core/dst.c
+++ b/net/core/dst.c
@@ -306,7 +306,7 @@ void dst_release(struct dst_entry *dst)
if (unlikely(newrefcnt < 0))
net_warn_ratelimited("%s: dst:%p refcnt:%d\n",
__func__, dst, newrefcnt);
- if (unlikely(dst->flags & DST_NOCACHE) && !newrefcnt)
+ if (!newrefcnt && unlikely(dst->flags & DST_NOCACHE))
call_rcu(&dst->rcu_head, dst_destroy_rcu);
}
}
diff --git a/net/ipv4/fib_frontend.c b/net/ipv4/fib_frontend.c
index 690bcbc59f26..457b2cd75b85 100644
--- a/net/ipv4/fib_frontend.c
+++ b/net/ipv4/fib_frontend.c
@@ -1110,9 +1110,10 @@ static void nl_fib_lookup_exit(struct net *net)
net->ipv4.fibnl = NULL;
}

-static void fib_disable_ip(struct net_device *dev, unsigned long event)
+static void fib_disable_ip(struct net_device *dev, unsigned long event,
+ bool force)
{
- if (fib_sync_down_dev(dev, event))
+ if (fib_sync_down_dev(dev, event, force))
fib_flush(dev_net(dev));
rt_cache_flush(dev_net(dev));
arp_ifdown(dev);
@@ -1140,7 +1141,7 @@ static int fib_inetaddr_event(struct notifier_block *this, unsigned long event,
/* Last address was deleted from this interface.
* Disable IP.
*/
- fib_disable_ip(dev, event);
+ fib_disable_ip(dev, event, true);
} else {
rt_cache_flush(dev_net(dev));
}
@@ -1157,7 +1158,7 @@ static int fib_netdev_event(struct notifier_block *this, unsigned long event, vo
unsigned int flags;

if (event == NETDEV_UNREGISTER) {
- fib_disable_ip(dev, event);
+ fib_disable_ip(dev, event, true);
rt_flush_dev(dev);
return NOTIFY_DONE;
}
@@ -1178,14 +1179,14 @@ static int fib_netdev_event(struct notifier_block *this, unsigned long event, vo
rt_cache_flush(net);
break;
case NETDEV_DOWN:
- fib_disable_ip(dev, event);
+ fib_disable_ip(dev, event, false);
break;
case NETDEV_CHANGE:
flags = dev_get_flags(dev);
if (flags & (IFF_RUNNING | IFF_LOWER_UP))
fib_sync_up(dev, RTNH_F_LINKDOWN);
else
- fib_sync_down_dev(dev, event);
+ fib_sync_down_dev(dev, event, false);
/* fall through */
case NETDEV_CHANGEMTU:
rt_cache_flush(net);
diff --git a/net/ipv4/fib_semantics.c b/net/ipv4/fib_semantics.c
index 064bd3caaa4f..ef5892f5e046 100644
--- a/net/ipv4/fib_semantics.c
+++ b/net/ipv4/fib_semantics.c
@@ -864,14 +864,21 @@ static bool fib_valid_prefsrc(struct fib_config *cfg, __be32 fib_prefsrc)
if (cfg->fc_type != RTN_LOCAL || !cfg->fc_dst ||
fib_prefsrc != cfg->fc_dst) {
u32 tb_id = cfg->fc_table;
+ int rc;

if (tb_id == RT_TABLE_MAIN)
tb_id = RT_TABLE_LOCAL;

- if (inet_addr_type_table(cfg->fc_nlinfo.nl_net,
- fib_prefsrc, tb_id) != RTN_LOCAL) {
- return false;
+ rc = inet_addr_type_table(cfg->fc_nlinfo.nl_net,
+ fib_prefsrc, tb_id);
+
+ if (rc != RTN_LOCAL && tb_id != RT_TABLE_LOCAL) {
+ rc = inet_addr_type_table(cfg->fc_nlinfo.nl_net,
+ fib_prefsrc, RT_TABLE_LOCAL);
}
+
+ if (rc != RTN_LOCAL)
+ return false;
}
return true;
}
@@ -1281,7 +1288,13 @@ int fib_sync_down_addr(struct net *net, __be32 local)
return ret;
}

-int fib_sync_down_dev(struct net_device *dev, unsigned long event)
+/* Event force Flags Description
+ * NETDEV_CHANGE 0 LINKDOWN Carrier OFF, not for scope host
+ * NETDEV_DOWN 0 LINKDOWN|DEAD Link down, not for scope host
+ * NETDEV_DOWN 1 LINKDOWN|DEAD Last address removed
+ * NETDEV_UNREGISTER 1 LINKDOWN|DEAD Device removed
+ */
+int fib_sync_down_dev(struct net_device *dev, unsigned long event, bool force)
{
int ret = 0;
int scope = RT_SCOPE_NOWHERE;
@@ -1290,8 +1303,7 @@ int fib_sync_down_dev(struct net_device *dev, unsigned long event)
struct hlist_head *head = &fib_info_devhash[hash];
struct fib_nh *nh;

- if (event == NETDEV_UNREGISTER ||
- event == NETDEV_DOWN)
+ if (force)
scope = -1;

hlist_for_each_entry(nh, head, nh_hash) {
@@ -1440,6 +1452,13 @@ int fib_sync_up(struct net_device *dev, unsigned int nh_flags)
if (!(dev->flags & IFF_UP))
return 0;

+ if (nh_flags & RTNH_F_DEAD) {
+ unsigned int flags = dev_get_flags(dev);
+
+ if (flags & (IFF_RUNNING | IFF_LOWER_UP))
+ nh_flags |= RTNH_F_LINKDOWN;
+ }
+
prev_fi = NULL;
hash = fib_devindex_hashfn(dev->ifindex);
head = &fib_info_devhash[hash];
diff --git a/net/ipv4/ipmr.c b/net/ipv4/ipmr.c
index 866ee89f5254..8e8203d5c520 100644
--- a/net/ipv4/ipmr.c
+++ b/net/ipv4/ipmr.c
@@ -1682,8 +1682,8 @@ static inline int ipmr_forward_finish(struct sock *sk, struct sk_buff *skb)
{
struct ip_options *opt = &(IPCB(skb)->opt);

- IP_INC_STATS_BH(dev_net(skb_dst(skb)->dev), IPSTATS_MIB_OUTFORWDATAGRAMS);
- IP_ADD_STATS_BH(dev_net(skb_dst(skb)->dev), IPSTATS_MIB_OUTOCTETS, skb->len);
+ IP_INC_STATS(dev_net(skb_dst(skb)->dev), IPSTATS_MIB_OUTFORWDATAGRAMS);
+ IP_ADD_STATS(dev_net(skb_dst(skb)->dev), IPSTATS_MIB_OUTOCTETS, skb->len);

if (unlikely(opt->optlen))
ip_forward_options(skb);
@@ -1745,7 +1745,7 @@ static void ipmr_queue_xmit(struct net *net, struct mr_table *mrt,
* to blackhole.
*/

- IP_INC_STATS_BH(dev_net(dev), IPSTATS_MIB_FRAGFAILS);
+ IP_INC_STATS(dev_net(dev), IPSTATS_MIB_FRAGFAILS);
ip_rt_put(rt);
goto out_free;
}
diff --git a/net/ipv4/sysctl_net_ipv4.c b/net/ipv4/sysctl_net_ipv4.c
index 894da3a70aff..ade773744b98 100644
--- a/net/ipv4/sysctl_net_ipv4.c
+++ b/net/ipv4/sysctl_net_ipv4.c
@@ -48,14 +48,14 @@ static void set_local_port_range(struct net *net, int range[2])
{
bool same_parity = !((range[0] ^ range[1]) & 1);

- write_seqlock(&net->ipv4.ip_local_ports.lock);
+ write_seqlock_bh(&net->ipv4.ip_local_ports.lock);
if (same_parity && !net->ipv4.ip_local_ports.warned) {
net->ipv4.ip_local_ports.warned = true;
pr_err_ratelimited("ip_local_port_range: prefer different parity for start/end values.\n");
}
net->ipv4.ip_local_ports.range[0] = range[0];
net->ipv4.ip_local_ports.range[1] = range[1];
- write_sequnlock(&net->ipv4.ip_local_ports.lock);
+ write_sequnlock_bh(&net->ipv4.ip_local_ports.lock);
}

/* Validate changes from /proc interface. */
diff --git a/net/ipv6/addrconf.c b/net/ipv6/addrconf.c
index 36b85bd05ac8..dd00828863a0 100644
--- a/net/ipv6/addrconf.c
+++ b/net/ipv6/addrconf.c
@@ -417,6 +417,7 @@ static struct inet6_dev *ipv6_add_dev(struct net_device *dev)
if (err) {
ipv6_mc_destroy_dev(ndev);
del_timer(&ndev->regen_timer);
+ snmp6_unregister_dev(ndev);
goto err_release;
}
/* protected by rtnl_lock */
diff --git a/net/ipv6/sit.c b/net/ipv6/sit.c
index 94428fd85b2f..dcccae86190f 100644
--- a/net/ipv6/sit.c
+++ b/net/ipv6/sit.c
@@ -1394,34 +1394,20 @@ static int ipip6_tunnel_init(struct net_device *dev)
return 0;
}

-static int __net_init ipip6_fb_tunnel_init(struct net_device *dev)
+static void __net_init ipip6_fb_tunnel_init(struct net_device *dev)
{
struct ip_tunnel *tunnel = netdev_priv(dev);
struct iphdr *iph = &tunnel->parms.iph;
struct net *net = dev_net(dev);
struct sit_net *sitn = net_generic(net, sit_net_id);

- tunnel->dev = dev;
- tunnel->net = dev_net(dev);
-
iph->version = 4;
iph->protocol = IPPROTO_IPV6;
iph->ihl = 5;
iph->ttl = 64;

- dev->tstats = netdev_alloc_pcpu_stats(struct pcpu_sw_netstats);
- if (!dev->tstats)
- return -ENOMEM;
-
- tunnel->dst_cache = alloc_percpu(struct ip_tunnel_dst);
- if (!tunnel->dst_cache) {
- free_percpu(dev->tstats);
- return -ENOMEM;
- }
-
dev_hold(dev);
rcu_assign_pointer(sitn->tunnels_wc[0], tunnel);
- return 0;
}

static int ipip6_validate(struct nlattr *tb[], struct nlattr *data[])
@@ -1831,23 +1817,19 @@ static int __net_init sit_init_net(struct net *net)
*/
sitn->fb_tunnel_dev->features |= NETIF_F_NETNS_LOCAL;

- err = ipip6_fb_tunnel_init(sitn->fb_tunnel_dev);
- if (err)
- goto err_dev_free;
-
- ipip6_tunnel_clone_6rd(sitn->fb_tunnel_dev, sitn);
err = register_netdev(sitn->fb_tunnel_dev);
if (err)
goto err_reg_dev;

+ ipip6_tunnel_clone_6rd(sitn->fb_tunnel_dev, sitn);
+ ipip6_fb_tunnel_init(sitn->fb_tunnel_dev);
+
t = netdev_priv(sitn->fb_tunnel_dev);

strcpy(t->parms.name, sitn->fb_tunnel_dev->name);
return 0;

err_reg_dev:
- dev_put(sitn->fb_tunnel_dev);
-err_dev_free:
ipip6_dev_free(sitn->fb_tunnel_dev);
err_alloc_dev:
return err;
diff --git a/net/mac80211/mlme.c b/net/mac80211/mlme.c
index cd7e55e08a23..d011bc539197 100644
--- a/net/mac80211/mlme.c
+++ b/net/mac80211/mlme.c
@@ -3391,7 +3391,7 @@ static void ieee80211_rx_mgmt_beacon(struct ieee80211_sub_if_data *sdata,

if (ifmgd->rssi_min_thold != ifmgd->rssi_max_thold &&
ifmgd->count_beacon_signal >= IEEE80211_SIGNAL_AVE_MIN_COUNT) {
- int sig = ifmgd->ave_beacon_signal;
+ int sig = ifmgd->ave_beacon_signal / 16;
int last_sig = ifmgd->last_ave_beacon_signal;
struct ieee80211_event event = {
.type = RSSI_EVENT,
@@ -5028,6 +5028,25 @@ int ieee80211_mgd_deauth(struct ieee80211_sub_if_data *sdata,
return 0;
}

+ if (ifmgd->assoc_data &&
+ ether_addr_equal(ifmgd->assoc_data->bss->bssid, req->bssid)) {
+ sdata_info(sdata,
+ "aborting association with %pM by local choice (Reason: %u=%s)\n",
+ req->bssid, req->reason_code,
+ ieee80211_get_reason_code_string(req->reason_code));
+
+ drv_mgd_prepare_tx(sdata->local, sdata);
+ ieee80211_send_deauth_disassoc(sdata, req->bssid,
+ IEEE80211_STYPE_DEAUTH,
+ req->reason_code, tx,
+ frame_buf);
+ ieee80211_destroy_assoc_data(sdata, false);
+ ieee80211_report_disconnect(sdata, frame_buf,
+ sizeof(frame_buf), true,
+ req->reason_code);
+ return 0;
+ }
+
if (ifmgd->associated &&
ether_addr_equal(ifmgd->associated->bssid, req->bssid)) {
sdata_info(sdata,
diff --git a/net/mac80211/trace.h b/net/mac80211/trace.h
index 6f14591d8ca9..0b13bfa6f32f 100644
--- a/net/mac80211/trace.h
+++ b/net/mac80211/trace.h
@@ -33,11 +33,11 @@
__field(u32, chan_width) \
__field(u32, center_freq1) \
__field(u32, center_freq2)
-#define CHANDEF_ASSIGN(c) \
- __entry->control_freq = (c)->chan ? (c)->chan->center_freq : 0; \
- __entry->chan_width = (c)->width; \
- __entry->center_freq1 = (c)->center_freq1; \
- __entry->center_freq2 = (c)->center_freq2;
+#define CHANDEF_ASSIGN(c) \
+ __entry->control_freq = (c) ? ((c)->chan ? (c)->chan->center_freq : 0) : 0; \
+ __entry->chan_width = (c) ? (c)->width : 0; \
+ __entry->center_freq1 = (c) ? (c)->center_freq1 : 0; \
+ __entry->center_freq2 = (c) ? (c)->center_freq2 : 0;
#define CHANDEF_PR_FMT " control:%d MHz width:%d center: %d/%d MHz"
#define CHANDEF_PR_ARG __entry->control_freq, __entry->chan_width, \
__entry->center_freq1, __entry->center_freq2
diff --git a/net/mac80211/util.c b/net/mac80211/util.c
index 1104421bc525..cd90ece80772 100644
--- a/net/mac80211/util.c
+++ b/net/mac80211/util.c
@@ -2951,6 +2951,13 @@ ieee80211_extend_noa_desc(struct ieee80211_noa_data *data, u32 tsf, int i)
if (end > 0)
return false;

+ /* One shot NOA */
+ if (data->count[i] == 1)
+ return false;
+
+ if (data->desc[i].interval == 0)
+ return false;
+
/* End time is in the past, check for repetitions */
skip = DIV_ROUND_UP(-end, data->desc[i].interval);
if (data->count[i] < 255) {
diff --git a/net/nfc/nci/hci.c b/net/nfc/nci/hci.c
index 609f92283d1b..30b09f04c142 100644
--- a/net/nfc/nci/hci.c
+++ b/net/nfc/nci/hci.c
@@ -101,6 +101,20 @@ struct nci_hcp_packet {
#define NCI_HCP_MSG_GET_CMD(header) (header & 0x3f)
#define NCI_HCP_MSG_GET_PIPE(header) (header & 0x7f)

+static int nci_hci_result_to_errno(u8 result)
+{
+ switch (result) {
+ case NCI_HCI_ANY_OK:
+ return 0;
+ case NCI_HCI_ANY_E_REG_PAR_UNKNOWN:
+ return -EOPNOTSUPP;
+ case NCI_HCI_ANY_E_TIMEOUT:
+ return -ETIME;
+ default:
+ return -1;
+ }
+}
+
/* HCI core */
static void nci_hci_reset_pipes(struct nci_hci_dev *hdev)
{
@@ -146,18 +160,18 @@ static int nci_hci_send_data(struct nci_dev *ndev, u8 pipe,
if (!conn_info)
return -EPROTO;

- skb = nci_skb_alloc(ndev, 2 + conn_info->max_pkt_payload_len +
+ i = 0;
+ skb = nci_skb_alloc(ndev, conn_info->max_pkt_payload_len +
NCI_DATA_HDR_SIZE, GFP_KERNEL);
if (!skb)
return -ENOMEM;

- skb_reserve(skb, 2 + NCI_DATA_HDR_SIZE);
+ skb_reserve(skb, NCI_DATA_HDR_SIZE + 2);
*skb_push(skb, 1) = data_type;

- i = 0;
- len = conn_info->max_pkt_payload_len;
-
do {
+ len = conn_info->max_pkt_payload_len;
+
/* If last packet add NCI_HFP_NO_CHAINING */
if (i + conn_info->max_pkt_payload_len -
(skb->len + 1) >= data_len) {
@@ -177,9 +191,15 @@ static int nci_hci_send_data(struct nci_dev *ndev, u8 pipe,
return r;

i += len;
+
if (i < data_len) {
- skb_trim(skb, 0);
- skb_pull(skb, len);
+ skb = nci_skb_alloc(ndev,
+ conn_info->max_pkt_payload_len +
+ NCI_DATA_HDR_SIZE, GFP_KERNEL);
+ if (!skb)
+ return -ENOMEM;
+
+ skb_reserve(skb, NCI_DATA_HDR_SIZE + 1);
}
} while (i < data_len);

@@ -212,7 +232,8 @@ int nci_hci_send_cmd(struct nci_dev *ndev, u8 gate, u8 cmd,
const u8 *param, size_t param_len,
struct sk_buff **skb)
{
- struct nci_conn_info *conn_info;
+ struct nci_hcp_message *message;
+ struct nci_conn_info *conn_info;
struct nci_data data;
int r;
u8 pipe = ndev->hci_dev->gate2pipe[gate];
@@ -232,9 +253,15 @@ int nci_hci_send_cmd(struct nci_dev *ndev, u8 gate, u8 cmd,

r = nci_request(ndev, nci_hci_send_data_req, (unsigned long)&data,
msecs_to_jiffies(NCI_DATA_TIMEOUT));
-
- if (r == NCI_STATUS_OK && skb)
- *skb = conn_info->rx_skb;
+ if (r == NCI_STATUS_OK) {
+ message = (struct nci_hcp_message *)conn_info->rx_skb->data;
+ r = nci_hci_result_to_errno(
+ NCI_HCP_MSG_GET_CMD(message->header));
+ skb_pull(conn_info->rx_skb, NCI_HCI_HCP_MESSAGE_HEADER_LEN);
+
+ if (!r && skb)
+ *skb = conn_info->rx_skb;
+ }

return r;
}
@@ -328,9 +355,6 @@ static void nci_hci_resp_received(struct nci_dev *ndev, u8 pipe,
struct nci_conn_info *conn_info;
u8 status = result;

- if (result != NCI_HCI_ANY_OK)
- goto exit;
-
conn_info = ndev->hci_dev->conn_info;
if (!conn_info) {
status = NCI_STATUS_REJECTED;
@@ -340,7 +364,7 @@ static void nci_hci_resp_received(struct nci_dev *ndev, u8 pipe,
conn_info->rx_skb = skb;

exit:
- nci_req_complete(ndev, status);
+ nci_req_complete(ndev, NCI_STATUS_OK);
}

/* Receive hcp message for pipe, with type and cmd.
@@ -378,7 +402,7 @@ static void nci_hci_msg_rx_work(struct work_struct *work)
u8 pipe, type, instruction;

while ((skb = skb_dequeue(&hdev->msg_rx_queue)) != NULL) {
- pipe = skb->data[0];
+ pipe = NCI_HCP_MSG_GET_PIPE(skb->data[0]);
skb_pull(skb, NCI_HCI_HCP_PACKET_HEADER_LEN);
message = (struct nci_hcp_message *)skb->data;
type = NCI_HCP_MSG_GET_TYPE(message->header);
@@ -395,7 +419,7 @@ void nci_hci_data_received_cb(void *context,
{
struct nci_dev *ndev = (struct nci_dev *)context;
struct nci_hcp_packet *packet;
- u8 pipe, type, instruction;
+ u8 pipe, type;
struct sk_buff *hcp_skb;
struct sk_buff *frag_skb;
int msg_len;
@@ -415,7 +439,7 @@ void nci_hci_data_received_cb(void *context,

/* it's the last fragment. Does it need re-aggregation? */
if (skb_queue_len(&ndev->hci_dev->rx_hcp_frags)) {
- pipe = packet->header & NCI_HCI_FRAGMENT;
+ pipe = NCI_HCP_MSG_GET_PIPE(packet->header);
skb_queue_tail(&ndev->hci_dev->rx_hcp_frags, skb);

msg_len = 0;
@@ -434,7 +458,7 @@ void nci_hci_data_received_cb(void *context,
*skb_put(hcp_skb, NCI_HCI_HCP_PACKET_HEADER_LEN) = pipe;

skb_queue_walk(&ndev->hci_dev->rx_hcp_frags, frag_skb) {
- msg_len = frag_skb->len - NCI_HCI_HCP_PACKET_HEADER_LEN;
+ msg_len = frag_skb->len - NCI_HCI_HCP_PACKET_HEADER_LEN;
memcpy(skb_put(hcp_skb, msg_len), frag_skb->data +
NCI_HCI_HCP_PACKET_HEADER_LEN, msg_len);
}
@@ -452,11 +476,10 @@ void nci_hci_data_received_cb(void *context,
packet = (struct nci_hcp_packet *)hcp_skb->data;
type = NCI_HCP_MSG_GET_TYPE(packet->message.header);
if (type == NCI_HCI_HCP_RESPONSE) {
- pipe = packet->header;
- instruction = NCI_HCP_MSG_GET_CMD(packet->message.header);
- skb_pull(hcp_skb, NCI_HCI_HCP_PACKET_HEADER_LEN +
- NCI_HCI_HCP_MESSAGE_HEADER_LEN);
- nci_hci_hcp_message_rx(ndev, pipe, type, instruction, hcp_skb);
+ pipe = NCI_HCP_MSG_GET_PIPE(packet->header);
+ skb_pull(hcp_skb, NCI_HCI_HCP_PACKET_HEADER_LEN);
+ nci_hci_hcp_message_rx(ndev, pipe, type,
+ NCI_STATUS_OK, hcp_skb);
} else {
skb_queue_tail(&ndev->hci_dev->msg_rx_queue, hcp_skb);
schedule_work(&ndev->hci_dev->msg_rx_work);
@@ -488,6 +511,7 @@ EXPORT_SYMBOL(nci_hci_open_pipe);
int nci_hci_set_param(struct nci_dev *ndev, u8 gate, u8 idx,
const u8 *param, size_t param_len)
{
+ struct nci_hcp_message *message;
struct nci_conn_info *conn_info;
struct nci_data data;
int r;
@@ -520,6 +544,12 @@ int nci_hci_set_param(struct nci_dev *ndev, u8 gate, u8 idx,
r = nci_request(ndev, nci_hci_send_data_req,
(unsigned long)&data,
msecs_to_jiffies(NCI_DATA_TIMEOUT));
+ if (r == NCI_STATUS_OK) {
+ message = (struct nci_hcp_message *)conn_info->rx_skb->data;
+ r = nci_hci_result_to_errno(
+ NCI_HCP_MSG_GET_CMD(message->header));
+ skb_pull(conn_info->rx_skb, NCI_HCI_HCP_MESSAGE_HEADER_LEN);
+ }

kfree(tmp);
return r;
@@ -529,6 +559,7 @@ EXPORT_SYMBOL(nci_hci_set_param);
int nci_hci_get_param(struct nci_dev *ndev, u8 gate, u8 idx,
struct sk_buff **skb)
{
+ struct nci_hcp_message *message;
struct nci_conn_info *conn_info;
struct nci_data data;
int r;
@@ -553,8 +584,15 @@ int nci_hci_get_param(struct nci_dev *ndev, u8 gate, u8 idx,
r = nci_request(ndev, nci_hci_send_data_req, (unsigned long)&data,
msecs_to_jiffies(NCI_DATA_TIMEOUT));

- if (r == NCI_STATUS_OK)
- *skb = conn_info->rx_skb;
+ if (r == NCI_STATUS_OK) {
+ message = (struct nci_hcp_message *)conn_info->rx_skb->data;
+ r = nci_hci_result_to_errno(
+ NCI_HCP_MSG_GET_CMD(message->header));
+ skb_pull(conn_info->rx_skb, NCI_HCI_HCP_MESSAGE_HEADER_LEN);
+
+ if (!r && skb)
+ *skb = conn_info->rx_skb;
+ }

return r;
}
diff --git a/net/packet/af_packet.c b/net/packet/af_packet.c
index aa4b15c35884..27b2898f275c 100644
--- a/net/packet/af_packet.c
+++ b/net/packet/af_packet.c
@@ -2903,22 +2903,40 @@ static int packet_release(struct socket *sock)
* Attach a packet hook.
*/

-static int packet_do_bind(struct sock *sk, struct net_device *dev, __be16 proto)
+static int packet_do_bind(struct sock *sk, const char *name, int ifindex,
+ __be16 proto)
{
struct packet_sock *po = pkt_sk(sk);
struct net_device *dev_curr;
__be16 proto_curr;
bool need_rehook;
+ struct net_device *dev = NULL;
+ int ret = 0;
+ bool unlisted = false;

- if (po->fanout) {
- if (dev)
- dev_put(dev);
-
+ if (po->fanout)
return -EINVAL;
- }

lock_sock(sk);
spin_lock(&po->bind_lock);
+ rcu_read_lock();
+
+ if (name) {
+ dev = dev_get_by_name_rcu(sock_net(sk), name);
+ if (!dev) {
+ ret = -ENODEV;
+ goto out_unlock;
+ }
+ } else if (ifindex) {
+ dev = dev_get_by_index_rcu(sock_net(sk), ifindex);
+ if (!dev) {
+ ret = -ENODEV;
+ goto out_unlock;
+ }
+ }
+
+ if (dev)
+ dev_hold(dev);

proto_curr = po->prot_hook.type;
dev_curr = po->prot_hook.dev;
@@ -2926,14 +2944,29 @@ static int packet_do_bind(struct sock *sk, struct net_device *dev, __be16 proto)
need_rehook = proto_curr != proto || dev_curr != dev;

if (need_rehook) {
- unregister_prot_hook(sk, true);
+ if (po->running) {
+ rcu_read_unlock();
+ __unregister_prot_hook(sk, true);
+ rcu_read_lock();
+ dev_curr = po->prot_hook.dev;
+ if (dev)
+ unlisted = !dev_get_by_index_rcu(sock_net(sk),
+ dev->ifindex);
+ }

po->num = proto;
po->prot_hook.type = proto;
- po->prot_hook.dev = dev;

- po->ifindex = dev ? dev->ifindex : 0;
- packet_cached_dev_assign(po, dev);
+ if (unlikely(unlisted)) {
+ dev_put(dev);
+ po->prot_hook.dev = NULL;
+ po->ifindex = -1;
+ packet_cached_dev_reset(po);
+ } else {
+ po->prot_hook.dev = dev;
+ po->ifindex = dev ? dev->ifindex : 0;
+ packet_cached_dev_assign(po, dev);
+ }
}
if (dev_curr)
dev_put(dev_curr);
@@ -2941,7 +2974,7 @@ static int packet_do_bind(struct sock *sk, struct net_device *dev, __be16 proto)
if (proto == 0 || !need_rehook)
goto out_unlock;

- if (!dev || (dev->flags & IFF_UP)) {
+ if (!unlisted && (!dev || (dev->flags & IFF_UP))) {
register_prot_hook(sk);
} else {
sk->sk_err = ENETDOWN;
@@ -2950,9 +2983,10 @@ static int packet_do_bind(struct sock *sk, struct net_device *dev, __be16 proto)
}

out_unlock:
+ rcu_read_unlock();
spin_unlock(&po->bind_lock);
release_sock(sk);
- return 0;
+ return ret;
}

/*
@@ -2964,8 +2998,6 @@ static int packet_bind_spkt(struct socket *sock, struct sockaddr *uaddr,
{
struct sock *sk = sock->sk;
char name[15];
- struct net_device *dev;
- int err = -ENODEV;

/*
* Check legality
@@ -2975,19 +3007,13 @@ static int packet_bind_spkt(struct socket *sock, struct sockaddr *uaddr,
return -EINVAL;
strlcpy(name, uaddr->sa_data, sizeof(name));

- dev = dev_get_by_name(sock_net(sk), name);
- if (dev)
- err = packet_do_bind(sk, dev, pkt_sk(sk)->num);
- return err;
+ return packet_do_bind(sk, name, 0, pkt_sk(sk)->num);
}

static int packet_bind(struct socket *sock, struct sockaddr *uaddr, int addr_len)
{
struct sockaddr_ll *sll = (struct sockaddr_ll *)uaddr;
struct sock *sk = sock->sk;
- struct net_device *dev = NULL;
- int err;
-

/*
* Check legality
@@ -2998,16 +3024,8 @@ static int packet_bind(struct socket *sock, struct sockaddr *uaddr, int addr_len
if (sll->sll_family != AF_PACKET)
return -EINVAL;

- if (sll->sll_ifindex) {
- err = -ENODEV;
- dev = dev_get_by_index(sock_net(sk), sll->sll_ifindex);
- if (dev == NULL)
- goto out;
- }
- err = packet_do_bind(sk, dev, sll->sll_protocol ? : pkt_sk(sk)->num);
-
-out:
- return err;
+ return packet_do_bind(sk, NULL, sll->sll_ifindex,
+ sll->sll_protocol ? : pkt_sk(sk)->num);
}

static struct proto packet_proto = {
diff --git a/net/tipc/udp_media.c b/net/tipc/udp_media.c
index 6e648d90297a..cd7c5f131e72 100644
--- a/net/tipc/udp_media.c
+++ b/net/tipc/udp_media.c
@@ -48,6 +48,7 @@
#include <linux/tipc_netlink.h>
#include "core.h"
#include "bearer.h"
+#include "msg.h"

/* IANA assigned UDP port */
#define UDP_PORT_DEFAULT 6118
@@ -222,6 +223,10 @@ static int tipc_udp_recv(struct sock *sk, struct sk_buff *skb)
{
struct udp_bearer *ub;
struct tipc_bearer *b;
+ int usr = msg_user(buf_msg(skb));
+
+ if ((usr == LINK_PROTOCOL) || (usr == NAME_DISTRIBUTOR))
+ skb_linearize(skb);

ub = rcu_dereference_sk_user_data(sk);
if (!ub) {
diff --git a/net/wireless/nl80211.c b/net/wireless/nl80211.c
index 5d8748b4c8a2..6a1040daa9b9 100644
--- a/net/wireless/nl80211.c
+++ b/net/wireless/nl80211.c
@@ -3409,12 +3409,6 @@ static int nl80211_start_ap(struct sk_buff *skb, struct genl_info *info)
wdev->iftype))
return -EINVAL;

- if (info->attrs[NL80211_ATTR_ACL_POLICY]) {
- params.acl = parse_acl_data(&rdev->wiphy, info);
- if (IS_ERR(params.acl))
- return PTR_ERR(params.acl);
- }
-
if (info->attrs[NL80211_ATTR_SMPS_MODE]) {
params.smps_mode =
nla_get_u8(info->attrs[NL80211_ATTR_SMPS_MODE]);
@@ -3438,6 +3432,12 @@ static int nl80211_start_ap(struct sk_buff *skb, struct genl_info *info)
params.smps_mode = NL80211_SMPS_OFF;
}

+ if (info->attrs[NL80211_ATTR_ACL_POLICY]) {
+ params.acl = parse_acl_data(&rdev->wiphy, info);
+ if (IS_ERR(params.acl))
+ return PTR_ERR(params.acl);
+ }
+
wdev_lock(wdev);
err = rdev_start_ap(rdev, dev, &params);
if (!err) {
diff --git a/sound/usb/midi.c b/sound/usb/midi.c
index 417ebb11cf48..bec63e0d2605 100644
--- a/sound/usb/midi.c
+++ b/sound/usb/midi.c
@@ -174,6 +174,8 @@ struct snd_usb_midi_in_endpoint {
u8 running_status_length;
} ports[0x10];
u8 seen_f5;
+ bool in_sysex;
+ u8 last_cin;
u8 error_resubmit;
int current_port;
};
@@ -468,6 +470,39 @@ static void snd_usbmidi_maudio_broken_running_status_input(
}

/*
+ * QinHeng CH345 is buggy: every second packet inside a SysEx has not CIN 4
+ * but the previously seen CIN, but still with three data bytes.
+ */
+static void ch345_broken_sysex_input(struct snd_usb_midi_in_endpoint *ep,
+ uint8_t *buffer, int buffer_length)
+{
+ unsigned int i, cin, length;
+
+ for (i = 0; i + 3 < buffer_length; i += 4) {
+ if (buffer[i] == 0 && i > 0)
+ break;
+ cin = buffer[i] & 0x0f;
+ if (ep->in_sysex &&
+ cin == ep->last_cin &&
+ (buffer[i + 1 + (cin == 0x6)] & 0x80) == 0)
+ cin = 0x4;
+#if 0
+ if (buffer[i + 1] == 0x90) {
+ /*
+ * Either a corrupted running status or a real note-on
+ * message; impossible to detect reliably.
+ */
+ }
+#endif
+ length = snd_usbmidi_cin_length[cin];
+ snd_usbmidi_input_data(ep, 0, &buffer[i + 1], length);
+ ep->in_sysex = cin == 0x4;
+ if (!ep->in_sysex)
+ ep->last_cin = cin;
+ }
+}
+
+/*
* CME protocol: like the standard protocol, but SysEx commands are sent as a
* single USB packet preceded by a 0x0F byte.
*/
@@ -660,6 +695,12 @@ static struct usb_protocol_ops snd_usbmidi_cme_ops = {
.output_packet = snd_usbmidi_output_standard_packet,
};

+static struct usb_protocol_ops snd_usbmidi_ch345_broken_sysex_ops = {
+ .input = ch345_broken_sysex_input,
+ .output = snd_usbmidi_standard_output,
+ .output_packet = snd_usbmidi_output_standard_packet,
+};
+
/*
* AKAI MPD16 protocol:
*
@@ -1341,6 +1382,7 @@ static int snd_usbmidi_out_endpoint_create(struct snd_usb_midi *umidi,
* Various chips declare a packet size larger than 4 bytes, but
* do not actually work with larger packets:
*/
+ case USB_ID(0x0a67, 0x5011): /* Medeli DD305 */
case USB_ID(0x0a92, 0x1020): /* ESI M4U */
case USB_ID(0x1430, 0x474b): /* RedOctane GH MIDI INTERFACE */
case USB_ID(0x15ca, 0x0101): /* Textech USB Midi Cable */
@@ -2375,6 +2417,10 @@ int snd_usbmidi_create(struct snd_card *card,

err = snd_usbmidi_detect_per_port_endpoints(umidi, endpoints);
break;
+ case QUIRK_MIDI_CH345:
+ umidi->usb_protocol_ops = &snd_usbmidi_ch345_broken_sysex_ops;
+ err = snd_usbmidi_detect_per_port_endpoints(umidi, endpoints);
+ break;
default:
dev_err(&umidi->dev->dev, "invalid quirk type %d\n",
quirk->type);
diff --git a/sound/usb/quirks-table.h b/sound/usb/quirks-table.h
index e4756651a52c..ecc2a4ea014d 100644
--- a/sound/usb/quirks-table.h
+++ b/sound/usb/quirks-table.h
@@ -2820,6 +2820,17 @@ YAMAHA_DEVICE(0x7010, "UB99"),
.idProduct = 0x1020,
},

+/* QinHeng devices */
+{
+ USB_DEVICE(0x1a86, 0x752d),
+ .driver_info = (unsigned long) &(const struct snd_usb_audio_quirk) {
+ .vendor_name = "QinHeng",
+ .product_name = "CH345",
+ .ifnum = 1,
+ .type = QUIRK_MIDI_CH345
+ }
+},
+
/* KeithMcMillen Stringport */
{
USB_DEVICE(0x1f38, 0x0001),
diff --git a/sound/usb/quirks.c b/sound/usb/quirks.c
index 00ebc0ca008e..eef9b8e4b949 100644
--- a/sound/usb/quirks.c
+++ b/sound/usb/quirks.c
@@ -535,6 +535,7 @@ int snd_usb_create_quirk(struct snd_usb_audio *chip,
[QUIRK_MIDI_CME] = create_any_midi_quirk,
[QUIRK_MIDI_AKAI] = create_any_midi_quirk,
[QUIRK_MIDI_FTDI] = create_any_midi_quirk,
+ [QUIRK_MIDI_CH345] = create_any_midi_quirk,
[QUIRK_AUDIO_STANDARD_INTERFACE] = create_standard_audio_quirk,
[QUIRK_AUDIO_FIXED_ENDPOINT] = create_fixed_stream_quirk,
[QUIRK_AUDIO_EDIROL_UAXX] = create_uaxx_quirk,
@@ -1271,6 +1272,7 @@ u64 snd_usb_interface_dsd_format_quirks(struct snd_usb_audio *chip,
case USB_ID(0x20b1, 0x000a): /* Gustard DAC-X20U */
case USB_ID(0x20b1, 0x2009): /* DIYINHK DSD DXD 384kHz USB to I2S/DSD */
case USB_ID(0x20b1, 0x2023): /* JLsounds I2SoverUSB */
+ case USB_ID(0x20b1, 0x3023): /* Aune X1S 32BIT/384 DSD DAC */
if (fp->altsetting == 3)
return SNDRV_PCM_FMTBIT_DSD_U32_BE;
break;
diff --git a/sound/usb/usbaudio.h b/sound/usb/usbaudio.h
index 33a176437e2e..4b4327b45606 100644
--- a/sound/usb/usbaudio.h
+++ b/sound/usb/usbaudio.h
@@ -94,6 +94,7 @@ enum quirk_type {
QUIRK_MIDI_AKAI,
QUIRK_MIDI_US122L,
QUIRK_MIDI_FTDI,
+ QUIRK_MIDI_CH345,
QUIRK_AUDIO_STANDARD_INTERFACE,
QUIRK_AUDIO_FIXED_ENDPOINT,
QUIRK_AUDIO_EDIROL_UAXX,
--
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