Re: Linux 4.8.2

From: Greg KH
Date: Sun Oct 16 2016 - 12:12:05 EST

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diff --git a/Documentation/virtual/kvm/devices/vcpu.txt b/Documentation/virtual/kvm/devices/vcpu.txt
index c04165868faf..02f50686c418 100644
--- a/Documentation/virtual/kvm/devices/vcpu.txt
+++ b/Documentation/virtual/kvm/devices/vcpu.txt
@@ -30,4 +30,6 @@ Returns: -ENODEV: PMUv3 not supported
attribute
-EBUSY: PMUv3 already initialized

-Request the initialization of the PMUv3.
+Request the initialization of the PMUv3. This must be done after creating the
+in-kernel irqchip. Creating a PMU with a userspace irqchip is currently not
+supported.
diff --git a/Makefile b/Makefile
index 75db9f3988f3..bf6e44a421df 100644
--- a/Makefile
+++ b/Makefile
@@ -1,6 +1,6 @@
VERSION = 4
PATCHLEVEL = 8
-SUBLEVEL = 1
+SUBLEVEL = 2
EXTRAVERSION =
NAME = Psychotic Stoned Sheep

diff --git a/arch/arm/boot/dts/armada-390.dtsi b/arch/arm/boot/dts/armada-390.dtsi
index 094e39c66039..6cd18d8aaac7 100644
--- a/arch/arm/boot/dts/armada-390.dtsi
+++ b/arch/arm/boot/dts/armada-390.dtsi
@@ -47,6 +47,8 @@
#include "armada-39x.dtsi"

/ {
+ compatible = "marvell,armada390";
+
soc {
internal-regs {
pinctrl@18000 {
@@ -54,4 +56,5 @@
reg = <0x18000 0x20>;
};
};
+ };
};
diff --git a/arch/arm/boot/dts/qcom-apq8064.dtsi b/arch/arm/boot/dts/qcom-apq8064.dtsi
index 74a9b6c394f5..9dc83b09d987 100644
--- a/arch/arm/boot/dts/qcom-apq8064.dtsi
+++ b/arch/arm/boot/dts/qcom-apq8064.dtsi
@@ -5,6 +5,7 @@
#include <dt-bindings/reset/qcom,gcc-msm8960.h>
#include <dt-bindings/clock/qcom,mmcc-msm8960.h>
#include <dt-bindings/soc/qcom,gsbi.h>
+#include <dt-bindings/interrupt-controller/irq.h>
#include <dt-bindings/interrupt-controller/arm-gic.h>
/ {
model = "Qualcomm APQ8064";
@@ -559,22 +560,50 @@
compatible = "qcom,pm8921-gpio",
"qcom,ssbi-gpio";
reg = <0x150>;
- interrupts = <192 1>, <193 1>, <194 1>,
- <195 1>, <196 1>, <197 1>,
- <198 1>, <199 1>, <200 1>,
- <201 1>, <202 1>, <203 1>,
- <204 1>, <205 1>, <206 1>,
- <207 1>, <208 1>, <209 1>,
- <210 1>, <211 1>, <212 1>,
- <213 1>, <214 1>, <215 1>,
- <216 1>, <217 1>, <218 1>,
- <219 1>, <220 1>, <221 1>,
- <222 1>, <223 1>, <224 1>,
- <225 1>, <226 1>, <227 1>,
- <228 1>, <229 1>, <230 1>,
- <231 1>, <232 1>, <233 1>,
- <234 1>, <235 1>;
-
+ interrupts = <192 IRQ_TYPE_NONE>,
+ <193 IRQ_TYPE_NONE>,
+ <194 IRQ_TYPE_NONE>,
+ <195 IRQ_TYPE_NONE>,
+ <196 IRQ_TYPE_NONE>,
+ <197 IRQ_TYPE_NONE>,
+ <198 IRQ_TYPE_NONE>,
+ <199 IRQ_TYPE_NONE>,
+ <200 IRQ_TYPE_NONE>,
+ <201 IRQ_TYPE_NONE>,
+ <202 IRQ_TYPE_NONE>,
+ <203 IRQ_TYPE_NONE>,
+ <204 IRQ_TYPE_NONE>,
+ <205 IRQ_TYPE_NONE>,
+ <206 IRQ_TYPE_NONE>,
+ <207 IRQ_TYPE_NONE>,
+ <208 IRQ_TYPE_NONE>,
+ <209 IRQ_TYPE_NONE>,
+ <210 IRQ_TYPE_NONE>,
+ <211 IRQ_TYPE_NONE>,
+ <212 IRQ_TYPE_NONE>,
+ <213 IRQ_TYPE_NONE>,
+ <214 IRQ_TYPE_NONE>,
+ <215 IRQ_TYPE_NONE>,
+ <216 IRQ_TYPE_NONE>,
+ <217 IRQ_TYPE_NONE>,
+ <218 IRQ_TYPE_NONE>,
+ <219 IRQ_TYPE_NONE>,
+ <220 IRQ_TYPE_NONE>,
+ <221 IRQ_TYPE_NONE>,
+ <222 IRQ_TYPE_NONE>,
+ <223 IRQ_TYPE_NONE>,
+ <224 IRQ_TYPE_NONE>,
+ <225 IRQ_TYPE_NONE>,
+ <226 IRQ_TYPE_NONE>,
+ <227 IRQ_TYPE_NONE>,
+ <228 IRQ_TYPE_NONE>,
+ <229 IRQ_TYPE_NONE>,
+ <230 IRQ_TYPE_NONE>,
+ <231 IRQ_TYPE_NONE>,
+ <232 IRQ_TYPE_NONE>,
+ <233 IRQ_TYPE_NONE>,
+ <234 IRQ_TYPE_NONE>,
+ <235 IRQ_TYPE_NONE>;
gpio-controller;
#gpio-cells = <2>;

@@ -587,9 +616,18 @@
gpio-controller;
#gpio-cells = <2>;
interrupts =
- <128 1>, <129 1>, <130 1>, <131 1>,
- <132 1>, <133 1>, <134 1>, <135 1>,
- <136 1>, <137 1>, <138 1>, <139 1>;
+ <128 IRQ_TYPE_NONE>,
+ <129 IRQ_TYPE_NONE>,
+ <130 IRQ_TYPE_NONE>,
+ <131 IRQ_TYPE_NONE>,
+ <132 IRQ_TYPE_NONE>,
+ <133 IRQ_TYPE_NONE>,
+ <134 IRQ_TYPE_NONE>,
+ <135 IRQ_TYPE_NONE>,
+ <136 IRQ_TYPE_NONE>,
+ <137 IRQ_TYPE_NONE>,
+ <138 IRQ_TYPE_NONE>,
+ <139 IRQ_TYPE_NONE>;
};

rtc@11d {
diff --git a/arch/arm/boot/dts/qcom-msm8660.dtsi b/arch/arm/boot/dts/qcom-msm8660.dtsi
index acbe71febe13..8c65e0d82559 100644
--- a/arch/arm/boot/dts/qcom-msm8660.dtsi
+++ b/arch/arm/boot/dts/qcom-msm8660.dtsi
@@ -2,6 +2,7 @@

/include/ "skeleton.dtsi"

+#include <dt-bindings/interrupt-controller/irq.h>
#include <dt-bindings/interrupt-controller/arm-gic.h>
#include <dt-bindings/clock/qcom,gcc-msm8660.h>
#include <dt-bindings/soc/qcom,gsbi.h>
@@ -159,21 +160,50 @@
"qcom,ssbi-gpio";
reg = <0x150>;
interrupt-parent = <&pmicintc>;
- interrupts = <192 1>, <193 1>, <194 1>,
- <195 1>, <196 1>, <197 1>,
- <198 1>, <199 1>, <200 1>,
- <201 1>, <202 1>, <203 1>,
- <204 1>, <205 1>, <206 1>,
- <207 1>, <208 1>, <209 1>,
- <210 1>, <211 1>, <212 1>,
- <213 1>, <214 1>, <215 1>,
- <216 1>, <217 1>, <218 1>,
- <219 1>, <220 1>, <221 1>,
- <222 1>, <223 1>, <224 1>,
- <225 1>, <226 1>, <227 1>,
- <228 1>, <229 1>, <230 1>,
- <231 1>, <232 1>, <233 1>,
- <234 1>, <235 1>;
+ interrupts = <192 IRQ_TYPE_NONE>,
+ <193 IRQ_TYPE_NONE>,
+ <194 IRQ_TYPE_NONE>,
+ <195 IRQ_TYPE_NONE>,
+ <196 IRQ_TYPE_NONE>,
+ <197 IRQ_TYPE_NONE>,
+ <198 IRQ_TYPE_NONE>,
+ <199 IRQ_TYPE_NONE>,
+ <200 IRQ_TYPE_NONE>,
+ <201 IRQ_TYPE_NONE>,
+ <202 IRQ_TYPE_NONE>,
+ <203 IRQ_TYPE_NONE>,
+ <204 IRQ_TYPE_NONE>,
+ <205 IRQ_TYPE_NONE>,
+ <206 IRQ_TYPE_NONE>,
+ <207 IRQ_TYPE_NONE>,
+ <208 IRQ_TYPE_NONE>,
+ <209 IRQ_TYPE_NONE>,
+ <210 IRQ_TYPE_NONE>,
+ <211 IRQ_TYPE_NONE>,
+ <212 IRQ_TYPE_NONE>,
+ <213 IRQ_TYPE_NONE>,
+ <214 IRQ_TYPE_NONE>,
+ <215 IRQ_TYPE_NONE>,
+ <216 IRQ_TYPE_NONE>,
+ <217 IRQ_TYPE_NONE>,
+ <218 IRQ_TYPE_NONE>,
+ <219 IRQ_TYPE_NONE>,
+ <220 IRQ_TYPE_NONE>,
+ <221 IRQ_TYPE_NONE>,
+ <222 IRQ_TYPE_NONE>,
+ <223 IRQ_TYPE_NONE>,
+ <224 IRQ_TYPE_NONE>,
+ <225 IRQ_TYPE_NONE>,
+ <226 IRQ_TYPE_NONE>,
+ <227 IRQ_TYPE_NONE>,
+ <228 IRQ_TYPE_NONE>,
+ <229 IRQ_TYPE_NONE>,
+ <230 IRQ_TYPE_NONE>,
+ <231 IRQ_TYPE_NONE>,
+ <232 IRQ_TYPE_NONE>,
+ <233 IRQ_TYPE_NONE>,
+ <234 IRQ_TYPE_NONE>,
+ <235 IRQ_TYPE_NONE>;
gpio-controller;
#gpio-cells = <2>;

@@ -187,9 +217,18 @@
#gpio-cells = <2>;
interrupt-parent = <&pmicintc>;
interrupts =
- <128 1>, <129 1>, <130 1>, <131 1>,
- <132 1>, <133 1>, <134 1>, <135 1>,
- <136 1>, <137 1>, <138 1>, <139 1>;
+ <128 IRQ_TYPE_NONE>,
+ <129 IRQ_TYPE_NONE>,
+ <130 IRQ_TYPE_NONE>,
+ <131 IRQ_TYPE_NONE>,
+ <132 IRQ_TYPE_NONE>,
+ <133 IRQ_TYPE_NONE>,
+ <134 IRQ_TYPE_NONE>,
+ <135 IRQ_TYPE_NONE>,
+ <136 IRQ_TYPE_NONE>,
+ <137 IRQ_TYPE_NONE>,
+ <138 IRQ_TYPE_NONE>,
+ <139 IRQ_TYPE_NONE>;
};

pwrkey@1c {
diff --git a/arch/arm/include/asm/delay.h b/arch/arm/include/asm/delay.h
index b7a428154355..b1ce037e4380 100644
--- a/arch/arm/include/asm/delay.h
+++ b/arch/arm/include/asm/delay.h
@@ -10,7 +10,7 @@
#include <asm/param.h> /* HZ */

#define MAX_UDELAY_MS 2
-#define UDELAY_MULT UL(2047 * HZ + 483648 * HZ / 1000000)
+#define UDELAY_MULT UL(2147 * HZ + 483648 * HZ / 1000000)
#define UDELAY_SHIFT 31

#ifndef __ASSEMBLY__
diff --git a/arch/arm64/kernel/stacktrace.c b/arch/arm64/kernel/stacktrace.c
index d9751a4769e7..d34fd72172b6 100644
--- a/arch/arm64/kernel/stacktrace.c
+++ b/arch/arm64/kernel/stacktrace.c
@@ -43,6 +43,9 @@ int notrace unwind_frame(struct task_struct *tsk, struct stackframe *frame)
unsigned long fp = frame->fp;
unsigned long irq_stack_ptr;

+ if (!tsk)
+ tsk = current;
+
/*
* Switching between stacks is valid when tracing current and in
* non-preemptible context.
@@ -67,7 +70,7 @@ int notrace unwind_frame(struct task_struct *tsk, struct stackframe *frame)
frame->pc = READ_ONCE_NOCHECK(*(unsigned long *)(fp + 8));

#ifdef CONFIG_FUNCTION_GRAPH_TRACER
- if (tsk && tsk->ret_stack &&
+ if (tsk->ret_stack &&
(frame->pc == (unsigned long)return_to_handler)) {
/*
* This is a case where function graph tracer has
diff --git a/arch/arm64/kernel/traps.c b/arch/arm64/kernel/traps.c
index e04f83873af7..df06750846de 100644
--- a/arch/arm64/kernel/traps.c
+++ b/arch/arm64/kernel/traps.c
@@ -142,6 +142,11 @@ static void dump_backtrace(struct pt_regs *regs, struct task_struct *tsk)
unsigned long irq_stack_ptr;
int skip;

+ pr_debug("%s(regs = %p tsk = %p)\n", __func__, regs, tsk);
+
+ if (!tsk)
+ tsk = current;
+
/*
* Switching between stacks is valid when tracing current and in
* non-preemptible context.
@@ -151,11 +156,6 @@ static void dump_backtrace(struct pt_regs *regs, struct task_struct *tsk)
else
irq_stack_ptr = 0;

- pr_debug("%s(regs = %p tsk = %p)\n", __func__, regs, tsk);
-
- if (!tsk)
- tsk = current;
-
if (tsk == current) {
frame.fp = (unsigned long)__builtin_frame_address(0);
frame.sp = current_stack_pointer;
diff --git a/arch/mips/kvm/emulate.c b/arch/mips/kvm/emulate.c
index e788515f766b..43853ec6e160 100644
--- a/arch/mips/kvm/emulate.c
+++ b/arch/mips/kvm/emulate.c
@@ -846,6 +846,47 @@ enum emulation_result kvm_mips_emul_tlbr(struct kvm_vcpu *vcpu)
return EMULATE_FAIL;
}

+/**
+ * kvm_mips_invalidate_guest_tlb() - Indicates a change in guest MMU map.
+ * @vcpu: VCPU with changed mappings.
+ * @tlb: TLB entry being removed.
+ *
+ * This is called to indicate a single change in guest MMU mappings, so that we
+ * can arrange TLB flushes on this and other CPUs.
+ */
+static void kvm_mips_invalidate_guest_tlb(struct kvm_vcpu *vcpu,
+ struct kvm_mips_tlb *tlb)
+{
+ int cpu, i;
+ bool user;
+
+ /* No need to flush for entries which are already invalid */
+ if (!((tlb->tlb_lo[0] | tlb->tlb_lo[1]) & ENTRYLO_V))
+ return;
+ /* User address space doesn't need flushing for KSeg2/3 changes */
+ user = tlb->tlb_hi < KVM_GUEST_KSEG0;
+
+ preempt_disable();
+
+ /*
+ * Probe the shadow host TLB for the entry being overwritten, if one
+ * matches, invalidate it
+ */
+ kvm_mips_host_tlb_inv(vcpu, tlb->tlb_hi);
+
+ /* Invalidate the whole ASID on other CPUs */
+ cpu = smp_processor_id();
+ for_each_possible_cpu(i) {
+ if (i == cpu)
+ continue;
+ if (user)
+ vcpu->arch.guest_user_asid[i] = 0;
+ vcpu->arch.guest_kernel_asid[i] = 0;
+ }
+
+ preempt_enable();
+}
+
/* Write Guest TLB Entry @ Index */
enum emulation_result kvm_mips_emul_tlbwi(struct kvm_vcpu *vcpu)
{
@@ -865,11 +906,8 @@ enum emulation_result kvm_mips_emul_tlbwi(struct kvm_vcpu *vcpu)
}

tlb = &vcpu->arch.guest_tlb[index];
- /*
- * Probe the shadow host TLB for the entry being overwritten, if one
- * matches, invalidate it
- */
- kvm_mips_host_tlb_inv(vcpu, tlb->tlb_hi);
+
+ kvm_mips_invalidate_guest_tlb(vcpu, tlb);

tlb->tlb_mask = kvm_read_c0_guest_pagemask(cop0);
tlb->tlb_hi = kvm_read_c0_guest_entryhi(cop0);
@@ -898,11 +936,7 @@ enum emulation_result kvm_mips_emul_tlbwr(struct kvm_vcpu *vcpu)

tlb = &vcpu->arch.guest_tlb[index];

- /*
- * Probe the shadow host TLB for the entry being overwritten, if one
- * matches, invalidate it
- */
- kvm_mips_host_tlb_inv(vcpu, tlb->tlb_hi);
+ kvm_mips_invalidate_guest_tlb(vcpu, tlb);

tlb->tlb_mask = kvm_read_c0_guest_pagemask(cop0);
tlb->tlb_hi = kvm_read_c0_guest_entryhi(cop0);
@@ -1026,6 +1060,7 @@ enum emulation_result kvm_mips_emulate_CP0(union mips_instruction inst,
enum emulation_result er = EMULATE_DONE;
u32 rt, rd, sel;
unsigned long curr_pc;
+ int cpu, i;

/*
* Update PC and hold onto current PC in case there is
@@ -1135,8 +1170,16 @@ enum emulation_result kvm_mips_emulate_CP0(union mips_instruction inst,
& KVM_ENTRYHI_ASID,
nasid);

+ preempt_disable();
/* Blow away the shadow host TLBs */
kvm_mips_flush_host_tlb(1);
+ cpu = smp_processor_id();
+ for_each_possible_cpu(i)
+ if (i != cpu) {
+ vcpu->arch.guest_user_asid[i] = 0;
+ vcpu->arch.guest_kernel_asid[i] = 0;
+ }
+ preempt_enable();
}
kvm_write_c0_guest_entryhi(cop0,
vcpu->arch.gprs[rt]);
diff --git a/arch/powerpc/include/asm/reg.h b/arch/powerpc/include/asm/reg.h
index f69f40f1519a..978dada662ae 100644
--- a/arch/powerpc/include/asm/reg.h
+++ b/arch/powerpc/include/asm/reg.h
@@ -737,6 +737,7 @@
#define MMCR0_FCHV 0x00000001UL /* freeze conditions in hypervisor mode */
#define SPRN_MMCR1 798
#define SPRN_MMCR2 785
+#define SPRN_UMMCR2 769
#define SPRN_MMCRA 0x312
#define MMCRA_SDSYNC 0x80000000UL /* SDAR synced with SIAR */
#define MMCRA_SDAR_DCACHE_MISS 0x40000000UL
diff --git a/arch/powerpc/kvm/book3s_emulate.c b/arch/powerpc/kvm/book3s_emulate.c
index 2afdb9c0937d..729f8faa95c5 100644
--- a/arch/powerpc/kvm/book3s_emulate.c
+++ b/arch/powerpc/kvm/book3s_emulate.c
@@ -498,6 +498,7 @@ int kvmppc_core_emulate_mtspr_pr(struct kvm_vcpu *vcpu, int sprn, ulong spr_val)
case SPRN_MMCR0:
case SPRN_MMCR1:
case SPRN_MMCR2:
+ case SPRN_UMMCR2:
#endif
break;
unprivileged:
@@ -640,6 +641,7 @@ int kvmppc_core_emulate_mfspr_pr(struct kvm_vcpu *vcpu, int sprn, ulong *spr_val
case SPRN_MMCR0:
case SPRN_MMCR1:
case SPRN_MMCR2:
+ case SPRN_UMMCR2:
case SPRN_TIR:
#endif
*spr_val = 0;
diff --git a/arch/powerpc/kvm/booke.c b/arch/powerpc/kvm/booke.c
index 02b4672f7347..df3f2706d3e5 100644
--- a/arch/powerpc/kvm/booke.c
+++ b/arch/powerpc/kvm/booke.c
@@ -2038,7 +2038,7 @@ int kvm_arch_vcpu_ioctl_set_guest_debug(struct kvm_vcpu *vcpu,
if (type == KVMPPC_DEBUG_NONE)
continue;

- if (type & !(KVMPPC_DEBUG_WATCH_READ |
+ if (type & ~(KVMPPC_DEBUG_WATCH_READ |
KVMPPC_DEBUG_WATCH_WRITE |
KVMPPC_DEBUG_BREAKPOINT))
return -EINVAL;
diff --git a/arch/x86/include/asm/fpu/xstate.h b/arch/x86/include/asm/fpu/xstate.h
index ae55a43e09c0..19f30a814f54 100644
--- a/arch/x86/include/asm/fpu/xstate.h
+++ b/arch/x86/include/asm/fpu/xstate.h
@@ -27,11 +27,12 @@
XFEATURE_MASK_YMM | \
XFEATURE_MASK_OPMASK | \
XFEATURE_MASK_ZMM_Hi256 | \
- XFEATURE_MASK_Hi16_ZMM | \
- XFEATURE_MASK_PKRU)
+ XFEATURE_MASK_Hi16_ZMM)

/* Supported features which require eager state saving */
-#define XFEATURE_MASK_EAGER (XFEATURE_MASK_BNDREGS | XFEATURE_MASK_BNDCSR)
+#define XFEATURE_MASK_EAGER (XFEATURE_MASK_BNDREGS | \
+ XFEATURE_MASK_BNDCSR | \
+ XFEATURE_MASK_PKRU)

/* All currently supported features */
#define XCNTXT_MASK (XFEATURE_MASK_LAZY | XFEATURE_MASK_EAGER)
diff --git a/arch/x86/include/asm/intel-family.h b/arch/x86/include/asm/intel-family.h
index 627719475457..9ae5ab80a497 100644
--- a/arch/x86/include/asm/intel-family.h
+++ b/arch/x86/include/asm/intel-family.h
@@ -56,8 +56,8 @@
#define INTEL_FAM6_ATOM_SILVERMONT1 0x37 /* BayTrail/BYT / Valleyview */
#define INTEL_FAM6_ATOM_SILVERMONT2 0x4D /* Avaton/Rangely */
#define INTEL_FAM6_ATOM_AIRMONT 0x4C /* CherryTrail / Braswell */
-#define INTEL_FAM6_ATOM_MERRIFIELD1 0x4A /* Tangier */
-#define INTEL_FAM6_ATOM_MERRIFIELD2 0x5A /* Annidale */
+#define INTEL_FAM6_ATOM_MERRIFIELD 0x4A /* Tangier */
+#define INTEL_FAM6_ATOM_MOOREFIELD 0x5A /* Annidale */
#define INTEL_FAM6_ATOM_GOLDMONT 0x5C
#define INTEL_FAM6_ATOM_DENVERTON 0x5F /* Goldmont Microserver */

diff --git a/arch/x86/include/asm/mpspec.h b/arch/x86/include/asm/mpspec.h
index b07233b64578..c2f94dcc92ce 100644
--- a/arch/x86/include/asm/mpspec.h
+++ b/arch/x86/include/asm/mpspec.h
@@ -6,7 +6,6 @@
#include <asm/x86_init.h>
#include <asm/apicdef.h>

-extern int apic_version[];
extern int pic_mode;

#ifdef CONFIG_X86_32
@@ -40,6 +39,7 @@ extern int mp_bus_id_to_type[MAX_MP_BUSSES];
extern DECLARE_BITMAP(mp_bus_not_pci, MAX_MP_BUSSES);

extern unsigned int boot_cpu_physical_apicid;
+extern u8 boot_cpu_apic_version;
extern unsigned long mp_lapic_addr;

#ifdef CONFIG_X86_LOCAL_APIC
diff --git a/arch/x86/kernel/acpi/boot.c b/arch/x86/kernel/acpi/boot.c
index 90d84c3eee53..fbd19444403f 100644
--- a/arch/x86/kernel/acpi/boot.c
+++ b/arch/x86/kernel/acpi/boot.c
@@ -182,7 +182,7 @@ static int acpi_register_lapic(int id, u32 acpiid, u8 enabled)
}

if (boot_cpu_physical_apicid != -1U)
- ver = apic_version[boot_cpu_physical_apicid];
+ ver = boot_cpu_apic_version;

cpu = generic_processor_info(id, ver);
if (cpu >= 0)
diff --git a/arch/x86/kernel/apic/apic.c b/arch/x86/kernel/apic/apic.c
index f3e9b2df4b16..076c315cdf18 100644
--- a/arch/x86/kernel/apic/apic.c
+++ b/arch/x86/kernel/apic/apic.c
@@ -64,6 +64,8 @@ unsigned disabled_cpus;
unsigned int boot_cpu_physical_apicid = -1U;
EXPORT_SYMBOL_GPL(boot_cpu_physical_apicid);

+u8 boot_cpu_apic_version;
+
/*
* The highest APIC ID seen during enumeration.
*/
@@ -1816,8 +1818,7 @@ void __init init_apic_mappings(void)
* since smp_sanity_check is prepared for such a case
* and disable smp mode
*/
- apic_version[new_apicid] =
- GET_APIC_VERSION(apic_read(APIC_LVR));
+ boot_cpu_apic_version = GET_APIC_VERSION(apic_read(APIC_LVR));
}
}

@@ -1832,13 +1833,10 @@ void __init register_lapic_address(unsigned long address)
}
if (boot_cpu_physical_apicid == -1U) {
boot_cpu_physical_apicid = read_apic_id();
- apic_version[boot_cpu_physical_apicid] =
- GET_APIC_VERSION(apic_read(APIC_LVR));
+ boot_cpu_apic_version = GET_APIC_VERSION(apic_read(APIC_LVR));
}
}

-int apic_version[MAX_LOCAL_APIC];
-
/*
* Local APIC interrupts
*/
@@ -2130,11 +2128,10 @@ int generic_processor_info(int apicid, int version)
cpu, apicid);
version = 0x10;
}
- apic_version[apicid] = version;

- if (version != apic_version[boot_cpu_physical_apicid]) {
+ if (version != boot_cpu_apic_version) {
pr_warning("BIOS bug: APIC version mismatch, boot CPU: %x, CPU %d: version %x\n",
- apic_version[boot_cpu_physical_apicid], cpu, version);
+ boot_cpu_apic_version, cpu, version);
}

physid_set(apicid, phys_cpu_present_map);
@@ -2277,7 +2274,7 @@ int __init APIC_init_uniprocessor(void)
* Complain if the BIOS pretends there is one.
*/
if (!boot_cpu_has(X86_FEATURE_APIC) &&
- APIC_INTEGRATED(apic_version[boot_cpu_physical_apicid])) {
+ APIC_INTEGRATED(boot_cpu_apic_version)) {
pr_err("BIOS bug, local APIC 0x%x not detected!...\n",
boot_cpu_physical_apicid);
return -1;
diff --git a/arch/x86/kernel/apic/io_apic.c b/arch/x86/kernel/apic/io_apic.c
index 7491f417a8e4..48e6d84f173e 100644
--- a/arch/x86/kernel/apic/io_apic.c
+++ b/arch/x86/kernel/apic/io_apic.c
@@ -1593,7 +1593,7 @@ void __init setup_ioapic_ids_from_mpc(void)
* no meaning without the serial APIC bus.
*/
if (!(boot_cpu_data.x86_vendor == X86_VENDOR_INTEL)
- || APIC_XAPIC(apic_version[boot_cpu_physical_apicid]))
+ || APIC_XAPIC(boot_cpu_apic_version))
return;
setup_ioapic_ids_from_mpc_nocheck();
}
@@ -2423,7 +2423,7 @@ static int io_apic_get_unique_id(int ioapic, int apic_id)
static u8 io_apic_unique_id(int idx, u8 id)
{
if ((boot_cpu_data.x86_vendor == X86_VENDOR_INTEL) &&
- !APIC_XAPIC(apic_version[boot_cpu_physical_apicid]))
+ !APIC_XAPIC(boot_cpu_apic_version))
return io_apic_get_unique_id(idx, id);
else
return id;
diff --git a/arch/x86/kernel/apic/probe_32.c b/arch/x86/kernel/apic/probe_32.c
index 7c43e716c158..563096267ca2 100644
--- a/arch/x86/kernel/apic/probe_32.c
+++ b/arch/x86/kernel/apic/probe_32.c
@@ -152,7 +152,7 @@ early_param("apic", parse_apic);

void __init default_setup_apic_routing(void)
{
- int version = apic_version[boot_cpu_physical_apicid];
+ int version = boot_cpu_apic_version;

if (num_possible_cpus() > 8) {
switch (boot_cpu_data.x86_vendor) {
diff --git a/arch/x86/kernel/apic/vector.c b/arch/x86/kernel/apic/vector.c
index 6066d945c40e..5d30c5e42bb1 100644
--- a/arch/x86/kernel/apic/vector.c
+++ b/arch/x86/kernel/apic/vector.c
@@ -661,11 +661,28 @@ void irq_complete_move(struct irq_cfg *cfg)
*/
void irq_force_complete_move(struct irq_desc *desc)
{
- struct irq_data *irqdata = irq_desc_get_irq_data(desc);
- struct apic_chip_data *data = apic_chip_data(irqdata);
- struct irq_cfg *cfg = data ? &data->cfg : NULL;
+ struct irq_data *irqdata;
+ struct apic_chip_data *data;
+ struct irq_cfg *cfg;
unsigned int cpu;

+ /*
+ * The function is called for all descriptors regardless of which
+ * irqdomain they belong to. For example if an IRQ is provided by
+ * an irq_chip as part of a GPIO driver, the chip data for that
+ * descriptor is specific to the irq_chip in question.
+ *
+ * Check first that the chip_data is what we expect
+ * (apic_chip_data) before touching it any further.
+ */
+ irqdata = irq_domain_get_irq_data(x86_vector_domain,
+ irq_desc_get_irq(desc));
+ if (!irqdata)
+ return;
+
+ data = apic_chip_data(irqdata);
+ cfg = data ? &data->cfg : NULL;
+
if (!cfg)
return;

diff --git a/arch/x86/kernel/e820.c b/arch/x86/kernel/e820.c
index 621b501f8935..8a90f1517837 100644
--- a/arch/x86/kernel/e820.c
+++ b/arch/x86/kernel/e820.c
@@ -348,7 +348,7 @@ int __init sanitize_e820_map(struct e820entry *biosmap, int max_nr_map,
* continue building up new bios map based on this
* information
*/
- if (current_type != last_type || current_type == E820_PRAM) {
+ if (current_type != last_type) {
if (last_type != 0) {
new_bios[new_bios_entry].size =
change_point[chgidx]->addr - last_addr;
@@ -754,7 +754,7 @@ u64 __init early_reserve_e820(u64 size, u64 align)
/*
* Find the highest page frame number we have available
*/
-static unsigned long __init e820_end_pfn(unsigned long limit_pfn)
+static unsigned long __init e820_end_pfn(unsigned long limit_pfn, unsigned type)
{
int i;
unsigned long last_pfn = 0;
@@ -765,11 +765,7 @@ static unsigned long __init e820_end_pfn(unsigned long limit_pfn)
unsigned long start_pfn;
unsigned long end_pfn;

- /*
- * Persistent memory is accounted as ram for purposes of
- * establishing max_pfn and mem_map.
- */
- if (ei->type != E820_RAM && ei->type != E820_PRAM)
+ if (ei->type != type)
continue;

start_pfn = ei->addr >> PAGE_SHIFT;
@@ -794,12 +790,12 @@ static unsigned long __init e820_end_pfn(unsigned long limit_pfn)
}
unsigned long __init e820_end_of_ram_pfn(void)
{
- return e820_end_pfn(MAX_ARCH_PFN);
+ return e820_end_pfn(MAX_ARCH_PFN, E820_RAM);
}

unsigned long __init e820_end_of_low_ram_pfn(void)
{
- return e820_end_pfn(1UL << (32-PAGE_SHIFT));
+ return e820_end_pfn(1UL << (32 - PAGE_SHIFT), E820_RAM);
}

static void early_panic(char *msg)
diff --git a/arch/x86/kernel/process_64.c b/arch/x86/kernel/process_64.c
index 63236d8f84bf..a21068e49dac 100644
--- a/arch/x86/kernel/process_64.c
+++ b/arch/x86/kernel/process_64.c
@@ -110,12 +110,13 @@ void __show_regs(struct pt_regs *regs, int all)
get_debugreg(d7, 7);

/* Only print out debug registers if they are in their non-default state. */
- if ((d0 == 0) && (d1 == 0) && (d2 == 0) && (d3 == 0) &&
- (d6 == DR6_RESERVED) && (d7 == 0x400))
- return;
-
- printk(KERN_DEFAULT "DR0: %016lx DR1: %016lx DR2: %016lx\n", d0, d1, d2);
- printk(KERN_DEFAULT "DR3: %016lx DR6: %016lx DR7: %016lx\n", d3, d6, d7);
+ if (!((d0 == 0) && (d1 == 0) && (d2 == 0) && (d3 == 0) &&
+ (d6 == DR6_RESERVED) && (d7 == 0x400))) {
+ printk(KERN_DEFAULT "DR0: %016lx DR1: %016lx DR2: %016lx\n",
+ d0, d1, d2);
+ printk(KERN_DEFAULT "DR3: %016lx DR6: %016lx DR7: %016lx\n",
+ d3, d6, d7);
+ }

if (boot_cpu_has(X86_FEATURE_OSPKE))
printk(KERN_DEFAULT "PKRU: %08x\n", read_pkru());
diff --git a/arch/x86/kernel/ptrace.c b/arch/x86/kernel/ptrace.c
index f79576a541ff..a1606eadd9ce 100644
--- a/arch/x86/kernel/ptrace.c
+++ b/arch/x86/kernel/ptrace.c
@@ -173,8 +173,8 @@ unsigned long kernel_stack_pointer(struct pt_regs *regs)
return sp;

prev_esp = (u32 *)(context);
- if (prev_esp)
- return (unsigned long)prev_esp;
+ if (*prev_esp)
+ return (unsigned long)*prev_esp;

return (unsigned long)regs;
}
diff --git a/arch/x86/kernel/smpboot.c b/arch/x86/kernel/smpboot.c
index 4296beb8fdd3..82b17373b66a 100644
--- a/arch/x86/kernel/smpboot.c
+++ b/arch/x86/kernel/smpboot.c
@@ -690,7 +690,7 @@ wakeup_secondary_cpu_via_nmi(int apicid, unsigned long start_eip)
* Give the other CPU some time to accept the IPI.
*/
udelay(200);
- if (APIC_INTEGRATED(apic_version[boot_cpu_physical_apicid])) {
+ if (APIC_INTEGRATED(boot_cpu_apic_version)) {
maxlvt = lapic_get_maxlvt();
if (maxlvt > 3) /* Due to the Pentium erratum 3AP. */
apic_write(APIC_ESR, 0);
@@ -717,7 +717,7 @@ wakeup_secondary_cpu_via_init(int phys_apicid, unsigned long start_eip)
/*
* Be paranoid about clearing APIC errors.
*/
- if (APIC_INTEGRATED(apic_version[phys_apicid])) {
+ if (APIC_INTEGRATED(boot_cpu_apic_version)) {
if (maxlvt > 3) /* Due to the Pentium erratum 3AP. */
apic_write(APIC_ESR, 0);
apic_read(APIC_ESR);
@@ -756,7 +756,7 @@ wakeup_secondary_cpu_via_init(int phys_apicid, unsigned long start_eip)
* Determine this based on the APIC version.
* If we don't have an integrated APIC, don't send the STARTUP IPIs.
*/
- if (APIC_INTEGRATED(apic_version[phys_apicid]))
+ if (APIC_INTEGRATED(boot_cpu_apic_version))
num_starts = 2;
else
num_starts = 0;
@@ -994,7 +994,7 @@ static int do_boot_cpu(int apicid, int cpu, struct task_struct *idle)
/*
* Be paranoid about clearing APIC errors.
*/
- if (APIC_INTEGRATED(apic_version[boot_cpu_physical_apicid])) {
+ if (APIC_INTEGRATED(boot_cpu_apic_version)) {
apic_write(APIC_ESR, 0);
apic_read(APIC_ESR);
}
@@ -1249,7 +1249,7 @@ static int __init smp_sanity_check(unsigned max_cpus)
/*
* If we couldn't find a local APIC, then get out of here now!
*/
- if (APIC_INTEGRATED(apic_version[boot_cpu_physical_apicid]) &&
+ if (APIC_INTEGRATED(boot_cpu_apic_version) &&
!boot_cpu_has(X86_FEATURE_APIC)) {
if (!disable_apic) {
pr_err("BIOS bug, local APIC #%d not detected!...\n",
@@ -1406,9 +1406,21 @@ __init void prefill_possible_map(void)
{
int i, possible;

- /* no processor from mptable or madt */
- if (!num_processors)
- num_processors = 1;
+ /* No boot processor was found in mptable or ACPI MADT */
+ if (!num_processors) {
+ int apicid = boot_cpu_physical_apicid;
+ int cpu = hard_smp_processor_id();
+
+ pr_warn("Boot CPU (id %d) not listed by BIOS\n", cpu);
+
+ /* Make sure boot cpu is enumerated */
+ if (apic->cpu_present_to_apicid(0) == BAD_APICID &&
+ apic->apic_id_valid(apicid))
+ generic_processor_info(apicid, boot_cpu_apic_version);
+
+ if (!num_processors)
+ num_processors = 1;
+ }

i = setup_max_cpus ?: 1;
if (setup_possible_cpus == -1) {
diff --git a/arch/x86/platform/atom/punit_atom_debug.c b/arch/x86/platform/atom/punit_atom_debug.c
index 8ff7b9355416..d49d3be81953 100644
--- a/arch/x86/platform/atom/punit_atom_debug.c
+++ b/arch/x86/platform/atom/punit_atom_debug.c
@@ -155,7 +155,7 @@ static void punit_dbgfs_unregister(void)

static const struct x86_cpu_id intel_punit_cpu_ids[] = {
ICPU(INTEL_FAM6_ATOM_SILVERMONT1, punit_device_byt),
- ICPU(INTEL_FAM6_ATOM_MERRIFIELD1, punit_device_tng),
+ ICPU(INTEL_FAM6_ATOM_MERRIFIELD, punit_device_tng),
ICPU(INTEL_FAM6_ATOM_AIRMONT, punit_device_cht),
{}
};
diff --git a/arch/x86/platform/intel-mid/pwr.c b/arch/x86/platform/intel-mid/pwr.c
index c901a3423772..6eca0f6fe57d 100644
--- a/arch/x86/platform/intel-mid/pwr.c
+++ b/arch/x86/platform/intel-mid/pwr.c
@@ -354,7 +354,7 @@ static int mid_pwr_probe(struct pci_dev *pdev, const struct pci_device_id *id)
return 0;
}

-static int mid_set_initial_state(struct mid_pwr *pwr)
+static int mid_set_initial_state(struct mid_pwr *pwr, const u32 *states)
{
unsigned int i, j;
int ret;
@@ -379,10 +379,10 @@ static int mid_set_initial_state(struct mid_pwr *pwr)
* NOTE: The actual device mapping is provided by a platform at run
* time using vendor capability of PCI configuration space.
*/
- mid_pwr_set_state(pwr, 0, 0xffffffff);
- mid_pwr_set_state(pwr, 1, 0xffffffff);
- mid_pwr_set_state(pwr, 2, 0xffffffff);
- mid_pwr_set_state(pwr, 3, 0xffffffff);
+ mid_pwr_set_state(pwr, 0, states[0]);
+ mid_pwr_set_state(pwr, 1, states[1]);
+ mid_pwr_set_state(pwr, 2, states[2]);
+ mid_pwr_set_state(pwr, 3, states[3]);

/* Send command to SCU */
ret = mid_pwr_wait_for_cmd(pwr, CMD_SET_CFG);
@@ -397,13 +397,41 @@ static int mid_set_initial_state(struct mid_pwr *pwr)
return 0;
}

-static const struct mid_pwr_device_info mid_info = {
- .set_initial_state = mid_set_initial_state,
+static int pnw_set_initial_state(struct mid_pwr *pwr)
+{
+ /* On Penwell SRAM must stay powered on */
+ const u32 states[] = {
+ 0xf00fffff, /* PM_SSC(0) */
+ 0xffffffff, /* PM_SSC(1) */
+ 0xffffffff, /* PM_SSC(2) */
+ 0xffffffff, /* PM_SSC(3) */
+ };
+ return mid_set_initial_state(pwr, states);
+}
+
+static int tng_set_initial_state(struct mid_pwr *pwr)
+{
+ const u32 states[] = {
+ 0xffffffff, /* PM_SSC(0) */
+ 0xffffffff, /* PM_SSC(1) */
+ 0xffffffff, /* PM_SSC(2) */
+ 0xffffffff, /* PM_SSC(3) */
+ };
+ return mid_set_initial_state(pwr, states);
+}
+
+static const struct mid_pwr_device_info pnw_info = {
+ .set_initial_state = pnw_set_initial_state,
+};
+
+static const struct mid_pwr_device_info tng_info = {
+ .set_initial_state = tng_set_initial_state,
};

+/* This table should be in sync with the one in drivers/pci/pci-mid.c */
static const struct pci_device_id mid_pwr_pci_ids[] = {
- { PCI_VDEVICE(INTEL, PCI_DEVICE_ID_PENWELL), (kernel_ulong_t)&mid_info },
- { PCI_VDEVICE(INTEL, PCI_DEVICE_ID_TANGIER), (kernel_ulong_t)&mid_info },
+ { PCI_VDEVICE(INTEL, PCI_DEVICE_ID_PENWELL), (kernel_ulong_t)&pnw_info },
+ { PCI_VDEVICE(INTEL, PCI_DEVICE_ID_TANGIER), (kernel_ulong_t)&tng_info },
{}
};

diff --git a/arch/x86/xen/smp.c b/arch/x86/xen/smp.c
index 0b4d04c8ab4d..62284035be84 100644
--- a/arch/x86/xen/smp.c
+++ b/arch/x86/xen/smp.c
@@ -87,6 +87,12 @@ static void cpu_bringup(void)
cpu_data(cpu).x86_max_cores = 1;
set_cpu_sibling_map(cpu);

+ /*
+ * identify_cpu() may have set logical_pkg_id to -1 due
+ * to incorrect phys_proc_id. Let's re-comupte it.
+ */
+ topology_update_package_map(apic->cpu_present_to_apicid(cpu), cpu);
+
xen_setup_cpu_clockevents();

notify_cpu_starting(cpu);
diff --git a/drivers/bluetooth/btusb.c b/drivers/bluetooth/btusb.c
index 811f9b97e360..d4d55f60cd81 100644
--- a/drivers/bluetooth/btusb.c
+++ b/drivers/bluetooth/btusb.c
@@ -251,6 +251,7 @@ static const struct usb_device_id blacklist_table[] = {
{ USB_DEVICE(0x0cf3, 0xe300), .driver_info = BTUSB_QCA_ROME },
{ USB_DEVICE(0x0cf3, 0xe360), .driver_info = BTUSB_QCA_ROME },
{ USB_DEVICE(0x0489, 0xe092), .driver_info = BTUSB_QCA_ROME },
+ { USB_DEVICE(0x04ca, 0x3011), .driver_info = BTUSB_QCA_ROME },

/* Broadcom BCM2035 */
{ USB_DEVICE(0x0a5c, 0x2009), .driver_info = BTUSB_BCM92035 },
diff --git a/drivers/char/tpm/tpm-dev.c b/drivers/char/tpm/tpm-dev.c
index f5d452151c6b..912ad30be585 100644
--- a/drivers/char/tpm/tpm-dev.c
+++ b/drivers/char/tpm/tpm-dev.c
@@ -145,7 +145,7 @@ static ssize_t tpm_write(struct file *file, const char __user *buf,
return -EPIPE;
}
out_size = tpm_transmit(priv->chip, priv->data_buffer,
- sizeof(priv->data_buffer));
+ sizeof(priv->data_buffer), 0);

tpm_put_ops(priv->chip);
if (out_size < 0) {
diff --git a/drivers/char/tpm/tpm-interface.c b/drivers/char/tpm/tpm-interface.c
index 1abe2d7a2610..aef20ee2331a 100644
--- a/drivers/char/tpm/tpm-interface.c
+++ b/drivers/char/tpm/tpm-interface.c
@@ -330,8 +330,8 @@ EXPORT_SYMBOL_GPL(tpm_calc_ordinal_duration);
/*
* Internal kernel interface to transmit TPM commands
*/
-ssize_t tpm_transmit(struct tpm_chip *chip, const char *buf,
- size_t bufsiz)
+ssize_t tpm_transmit(struct tpm_chip *chip, const u8 *buf, size_t bufsiz,
+ unsigned int flags)
{
ssize_t rc;
u32 count, ordinal;
@@ -350,7 +350,8 @@ ssize_t tpm_transmit(struct tpm_chip *chip, const char *buf,
return -E2BIG;
}

- mutex_lock(&chip->tpm_mutex);
+ if (!(flags & TPM_TRANSMIT_UNLOCKED))
+ mutex_lock(&chip->tpm_mutex);

rc = chip->ops->send(chip, (u8 *) buf, count);
if (rc < 0) {
@@ -393,20 +394,21 @@ out_recv:
dev_err(&chip->dev,
"tpm_transmit: tpm_recv: error %zd\n", rc);
out:
- mutex_unlock(&chip->tpm_mutex);
+ if (!(flags & TPM_TRANSMIT_UNLOCKED))
+ mutex_unlock(&chip->tpm_mutex);
return rc;
}

#define TPM_DIGEST_SIZE 20
#define TPM_RET_CODE_IDX 6

-ssize_t tpm_transmit_cmd(struct tpm_chip *chip, void *cmd,
- int len, const char *desc)
+ssize_t tpm_transmit_cmd(struct tpm_chip *chip, const void *cmd,
+ int len, unsigned int flags, const char *desc)
{
- struct tpm_output_header *header;
+ const struct tpm_output_header *header;
int err;

- len = tpm_transmit(chip, (u8 *) cmd, len);
+ len = tpm_transmit(chip, (const u8 *)cmd, len, flags);
if (len < 0)
return len;
else if (len < TPM_HEADER_SIZE)
@@ -453,7 +455,8 @@ ssize_t tpm_getcap(struct tpm_chip *chip, __be32 subcap_id, cap_t *cap,
tpm_cmd.params.getcap_in.subcap_size = cpu_to_be32(4);
tpm_cmd.params.getcap_in.subcap = subcap_id;
}
- rc = tpm_transmit_cmd(chip, &tpm_cmd, TPM_INTERNAL_RESULT_SIZE, desc);
+ rc = tpm_transmit_cmd(chip, &tpm_cmd, TPM_INTERNAL_RESULT_SIZE, 0,
+ desc);
if (!rc)
*cap = tpm_cmd.params.getcap_out.cap;
return rc;
@@ -469,7 +472,7 @@ void tpm_gen_interrupt(struct tpm_chip *chip)
tpm_cmd.params.getcap_in.subcap_size = cpu_to_be32(4);
tpm_cmd.params.getcap_in.subcap = TPM_CAP_PROP_TIS_TIMEOUT;

- rc = tpm_transmit_cmd(chip, &tpm_cmd, TPM_INTERNAL_RESULT_SIZE,
+ rc = tpm_transmit_cmd(chip, &tpm_cmd, TPM_INTERNAL_RESULT_SIZE, 0,
"attempting to determine the timeouts");
}
EXPORT_SYMBOL_GPL(tpm_gen_interrupt);
@@ -490,7 +493,7 @@ static int tpm_startup(struct tpm_chip *chip, __be16 startup_type)
start_cmd.header.in = tpm_startup_header;

start_cmd.params.startup_in.startup_type = startup_type;
- return tpm_transmit_cmd(chip, &start_cmd, TPM_INTERNAL_RESULT_SIZE,
+ return tpm_transmit_cmd(chip, &start_cmd, TPM_INTERNAL_RESULT_SIZE, 0,
"attempting to start the TPM");
}

@@ -521,7 +524,8 @@ int tpm_get_timeouts(struct tpm_chip *chip)
tpm_cmd.params.getcap_in.cap = TPM_CAP_PROP;
tpm_cmd.params.getcap_in.subcap_size = cpu_to_be32(4);
tpm_cmd.params.getcap_in.subcap = TPM_CAP_PROP_TIS_TIMEOUT;
- rc = tpm_transmit_cmd(chip, &tpm_cmd, TPM_INTERNAL_RESULT_SIZE, NULL);
+ rc = tpm_transmit_cmd(chip, &tpm_cmd, TPM_INTERNAL_RESULT_SIZE, 0,
+ NULL);

if (rc == TPM_ERR_INVALID_POSTINIT) {
/* The TPM is not started, we are the first to talk to it.
@@ -535,7 +539,7 @@ int tpm_get_timeouts(struct tpm_chip *chip)
tpm_cmd.params.getcap_in.subcap_size = cpu_to_be32(4);
tpm_cmd.params.getcap_in.subcap = TPM_CAP_PROP_TIS_TIMEOUT;
rc = tpm_transmit_cmd(chip, &tpm_cmd, TPM_INTERNAL_RESULT_SIZE,
- NULL);
+ 0, NULL);
}
if (rc) {
dev_err(&chip->dev,
@@ -596,7 +600,7 @@ duration:
tpm_cmd.params.getcap_in.subcap_size = cpu_to_be32(4);
tpm_cmd.params.getcap_in.subcap = TPM_CAP_PROP_TIS_DURATION;

- rc = tpm_transmit_cmd(chip, &tpm_cmd, TPM_INTERNAL_RESULT_SIZE,
+ rc = tpm_transmit_cmd(chip, &tpm_cmd, TPM_INTERNAL_RESULT_SIZE, 0,
"attempting to determine the durations");
if (rc)
return rc;
@@ -652,7 +656,7 @@ static int tpm_continue_selftest(struct tpm_chip *chip)
struct tpm_cmd_t cmd;

cmd.header.in = continue_selftest_header;
- rc = tpm_transmit_cmd(chip, &cmd, CONTINUE_SELFTEST_RESULT_SIZE,
+ rc = tpm_transmit_cmd(chip, &cmd, CONTINUE_SELFTEST_RESULT_SIZE, 0,
"continue selftest");
return rc;
}
@@ -672,7 +676,7 @@ int tpm_pcr_read_dev(struct tpm_chip *chip, int pcr_idx, u8 *res_buf)

cmd.header.in = pcrread_header;
cmd.params.pcrread_in.pcr_idx = cpu_to_be32(pcr_idx);
- rc = tpm_transmit_cmd(chip, &cmd, READ_PCR_RESULT_SIZE,
+ rc = tpm_transmit_cmd(chip, &cmd, READ_PCR_RESULT_SIZE, 0,
"attempting to read a pcr value");

if (rc == 0)
@@ -770,7 +774,7 @@ int tpm_pcr_extend(u32 chip_num, int pcr_idx, const u8 *hash)
cmd.header.in = pcrextend_header;
cmd.params.pcrextend_in.pcr_idx = cpu_to_be32(pcr_idx);
memcpy(cmd.params.pcrextend_in.hash, hash, TPM_DIGEST_SIZE);
- rc = tpm_transmit_cmd(chip, &cmd, EXTEND_PCR_RESULT_SIZE,
+ rc = tpm_transmit_cmd(chip, &cmd, EXTEND_PCR_RESULT_SIZE, 0,
"attempting extend a PCR value");

tpm_put_ops(chip);
@@ -809,7 +813,7 @@ int tpm_do_selftest(struct tpm_chip *chip)
/* Attempt to read a PCR value */
cmd.header.in = pcrread_header;
cmd.params.pcrread_in.pcr_idx = cpu_to_be32(0);
- rc = tpm_transmit(chip, (u8 *) &cmd, READ_PCR_RESULT_SIZE);
+ rc = tpm_transmit(chip, (u8 *) &cmd, READ_PCR_RESULT_SIZE, 0);
/* Some buggy TPMs will not respond to tpm_tis_ready() for
* around 300ms while the self test is ongoing, keep trying
* until the self test duration expires. */
@@ -879,7 +883,7 @@ int tpm_send(u32 chip_num, void *cmd, size_t buflen)
if (chip == NULL)
return -ENODEV;

- rc = tpm_transmit_cmd(chip, cmd, buflen, "attempting tpm_cmd");
+ rc = tpm_transmit_cmd(chip, cmd, buflen, 0, "attempting tpm_cmd");

tpm_put_ops(chip);
return rc;
@@ -981,14 +985,15 @@ int tpm_pm_suspend(struct device *dev)
cmd.params.pcrextend_in.pcr_idx = cpu_to_be32(tpm_suspend_pcr);
memcpy(cmd.params.pcrextend_in.hash, dummy_hash,
TPM_DIGEST_SIZE);
- rc = tpm_transmit_cmd(chip, &cmd, EXTEND_PCR_RESULT_SIZE,
+ rc = tpm_transmit_cmd(chip, &cmd, EXTEND_PCR_RESULT_SIZE, 0,
"extending dummy pcr before suspend");
}

/* now do the actual savestate */
for (try = 0; try < TPM_RETRY; try++) {
cmd.header.in = savestate_header;
- rc = tpm_transmit_cmd(chip, &cmd, SAVESTATE_RESULT_SIZE, NULL);
+ rc = tpm_transmit_cmd(chip, &cmd, SAVESTATE_RESULT_SIZE, 0,
+ NULL);

/*
* If the TPM indicates that it is too busy to respond to
@@ -1072,8 +1077,8 @@ int tpm_get_random(u32 chip_num, u8 *out, size_t max)
tpm_cmd.params.getrandom_in.num_bytes = cpu_to_be32(num_bytes);

err = tpm_transmit_cmd(chip, &tpm_cmd,
- TPM_GETRANDOM_RESULT_SIZE + num_bytes,
- "attempting get random");
+ TPM_GETRANDOM_RESULT_SIZE + num_bytes,
+ 0, "attempting get random");
if (err)
break;

diff --git a/drivers/char/tpm/tpm-sysfs.c b/drivers/char/tpm/tpm-sysfs.c
index b46cf70c8b16..e1f7236c115c 100644
--- a/drivers/char/tpm/tpm-sysfs.c
+++ b/drivers/char/tpm/tpm-sysfs.c
@@ -39,7 +39,7 @@ static ssize_t pubek_show(struct device *dev, struct device_attribute *attr,
struct tpm_chip *chip = to_tpm_chip(dev);

tpm_cmd.header.in = tpm_readpubek_header;
- err = tpm_transmit_cmd(chip, &tpm_cmd, READ_PUBEK_RESULT_SIZE,
+ err = tpm_transmit_cmd(chip, &tpm_cmd, READ_PUBEK_RESULT_SIZE, 0,
"attempting to read the PUBEK");
if (err)
goto out;
diff --git a/drivers/char/tpm/tpm.h b/drivers/char/tpm/tpm.h
index 3e32d5bd2dc6..b0585e99da49 100644
--- a/drivers/char/tpm/tpm.h
+++ b/drivers/char/tpm/tpm.h
@@ -476,12 +476,16 @@ extern dev_t tpm_devt;
extern const struct file_operations tpm_fops;
extern struct idr dev_nums_idr;

+enum tpm_transmit_flags {
+ TPM_TRANSMIT_UNLOCKED = BIT(0),
+};
+
+ssize_t tpm_transmit(struct tpm_chip *chip, const u8 *buf, size_t bufsiz,
+ unsigned int flags);
+ssize_t tpm_transmit_cmd(struct tpm_chip *chip, const void *cmd, int len,
+ unsigned int flags, const char *desc);
ssize_t tpm_getcap(struct tpm_chip *chip, __be32 subcap_id, cap_t *cap,
const char *desc);
-ssize_t tpm_transmit(struct tpm_chip *chip, const char *buf,
- size_t bufsiz);
-ssize_t tpm_transmit_cmd(struct tpm_chip *chip, void *cmd, int len,
- const char *desc);
extern int tpm_get_timeouts(struct tpm_chip *);
extern void tpm_gen_interrupt(struct tpm_chip *);
int tpm1_auto_startup(struct tpm_chip *chip);
diff --git a/drivers/char/tpm/tpm2-cmd.c b/drivers/char/tpm/tpm2-cmd.c
index 0c75c3f1689f..ef5a58b986f6 100644
--- a/drivers/char/tpm/tpm2-cmd.c
+++ b/drivers/char/tpm/tpm2-cmd.c
@@ -282,7 +282,7 @@ int tpm2_pcr_read(struct tpm_chip *chip, int pcr_idx, u8 *res_buf)
sizeof(cmd.params.pcrread_in.pcr_select));
cmd.params.pcrread_in.pcr_select[pcr_idx >> 3] = 1 << (pcr_idx & 0x7);

- rc = tpm_transmit_cmd(chip, &cmd, sizeof(cmd),
+ rc = tpm_transmit_cmd(chip, &cmd, sizeof(cmd), 0,
"attempting to read a pcr value");
if (rc == 0) {
buf = cmd.params.pcrread_out.digest;
@@ -330,7 +330,7 @@ int tpm2_pcr_extend(struct tpm_chip *chip, int pcr_idx, const u8 *hash)
cmd.params.pcrextend_in.hash_alg = cpu_to_be16(TPM2_ALG_SHA1);
memcpy(cmd.params.pcrextend_in.digest, hash, TPM_DIGEST_SIZE);

- rc = tpm_transmit_cmd(chip, &cmd, sizeof(cmd),
+ rc = tpm_transmit_cmd(chip, &cmd, sizeof(cmd), 0,
"attempting extend a PCR value");

return rc;
@@ -376,7 +376,7 @@ int tpm2_get_random(struct tpm_chip *chip, u8 *out, size_t max)
cmd.header.in = tpm2_getrandom_header;
cmd.params.getrandom_in.size = cpu_to_be16(num_bytes);

- err = tpm_transmit_cmd(chip, &cmd, sizeof(cmd),
+ err = tpm_transmit_cmd(chip, &cmd, sizeof(cmd), 0,
"attempting get random");
if (err)
break;
@@ -434,12 +434,12 @@ static void tpm2_buf_append_auth(struct tpm_buf *buf, u32 session_handle,
}

/**
- * tpm2_seal_trusted() - seal a trusted key
- * @chip_num: A specific chip number for the request or TPM_ANY_NUM
- * @options: authentication values and other options
+ * tpm2_seal_trusted() - seal the payload of a trusted key
+ * @chip_num: TPM chip to use
* @payload: the key data in clear and encrypted form
+ * @options: authentication values and other options
*
- * Returns < 0 on error and 0 on success.
+ * Return: < 0 on error and 0 on success.
*/
int tpm2_seal_trusted(struct tpm_chip *chip,
struct trusted_key_payload *payload,
@@ -512,7 +512,7 @@ int tpm2_seal_trusted(struct tpm_chip *chip,
goto out;
}

- rc = tpm_transmit_cmd(chip, buf.data, PAGE_SIZE, "sealing data");
+ rc = tpm_transmit_cmd(chip, buf.data, PAGE_SIZE, 0, "sealing data");
if (rc)
goto out;

@@ -538,10 +538,18 @@ out:
return rc;
}

-static int tpm2_load(struct tpm_chip *chip,
- struct trusted_key_payload *payload,
- struct trusted_key_options *options,
- u32 *blob_handle)
+/**
+ * tpm2_load_cmd() - execute a TPM2_Load command
+ * @chip_num: TPM chip to use
+ * @payload: the key data in clear and encrypted form
+ * @options: authentication values and other options
+ *
+ * Return: same as with tpm_transmit_cmd
+ */
+static int tpm2_load_cmd(struct tpm_chip *chip,
+ struct trusted_key_payload *payload,
+ struct trusted_key_options *options,
+ u32 *blob_handle, unsigned int flags)
{
struct tpm_buf buf;
unsigned int private_len;
@@ -576,7 +584,7 @@ static int tpm2_load(struct tpm_chip *chip,
goto out;
}

- rc = tpm_transmit_cmd(chip, buf.data, PAGE_SIZE, "loading blob");
+ rc = tpm_transmit_cmd(chip, buf.data, PAGE_SIZE, flags, "loading blob");
if (!rc)
*blob_handle = be32_to_cpup(
(__be32 *) &buf.data[TPM_HEADER_SIZE]);
@@ -590,7 +598,16 @@ out:
return rc;
}

-static void tpm2_flush_context(struct tpm_chip *chip, u32 handle)
+/**
+ * tpm2_flush_context_cmd() - execute a TPM2_FlushContext command
+ * @chip_num: TPM chip to use
+ * @payload: the key data in clear and encrypted form
+ * @options: authentication values and other options
+ *
+ * Return: same as with tpm_transmit_cmd
+ */
+static void tpm2_flush_context_cmd(struct tpm_chip *chip, u32 handle,
+ unsigned int flags)
{
struct tpm_buf buf;
int rc;
@@ -604,7 +621,8 @@ static void tpm2_flush_context(struct tpm_chip *chip, u32 handle)

tpm_buf_append_u32(&buf, handle);

- rc = tpm_transmit_cmd(chip, buf.data, PAGE_SIZE, "flushing context");
+ rc = tpm_transmit_cmd(chip, buf.data, PAGE_SIZE, flags,
+ "flushing context");
if (rc)
dev_warn(&chip->dev, "0x%08x was not flushed, rc=%d\n", handle,
rc);
@@ -612,10 +630,18 @@ static void tpm2_flush_context(struct tpm_chip *chip, u32 handle)
tpm_buf_destroy(&buf);
}

-static int tpm2_unseal(struct tpm_chip *chip,
- struct trusted_key_payload *payload,
- struct trusted_key_options *options,
- u32 blob_handle)
+/**
+ * tpm2_unseal_cmd() - execute a TPM2_Unload command
+ * @chip_num: TPM chip to use
+ * @payload: the key data in clear and encrypted form
+ * @options: authentication values and other options
+ *
+ * Return: same as with tpm_transmit_cmd
+ */
+static int tpm2_unseal_cmd(struct tpm_chip *chip,
+ struct trusted_key_payload *payload,
+ struct trusted_key_options *options,
+ u32 blob_handle, unsigned int flags)
{
struct tpm_buf buf;
u16 data_len;
@@ -635,7 +661,7 @@ static int tpm2_unseal(struct tpm_chip *chip,
options->blobauth /* hmac */,
TPM_DIGEST_SIZE);

- rc = tpm_transmit_cmd(chip, buf.data, PAGE_SIZE, "unsealing");
+ rc = tpm_transmit_cmd(chip, buf.data, PAGE_SIZE, flags, "unsealing");
if (rc > 0)
rc = -EPERM;

@@ -654,12 +680,12 @@ static int tpm2_unseal(struct tpm_chip *chip,
}

/**
- * tpm_unseal_trusted() - unseal a trusted key
- * @chip_num: A specific chip number for the request or TPM_ANY_NUM
- * @options: authentication values and other options
+ * tpm_unseal_trusted() - unseal the payload of a trusted key
+ * @chip_num: TPM chip to use
* @payload: the key data in clear and encrypted form
+ * @options: authentication values and other options
*
- * Returns < 0 on error and 0 on success.
+ * Return: < 0 on error and 0 on success.
*/
int tpm2_unseal_trusted(struct tpm_chip *chip,
struct trusted_key_payload *payload,
@@ -668,14 +694,17 @@ int tpm2_unseal_trusted(struct tpm_chip *chip,
u32 blob_handle;
int rc;

- rc = tpm2_load(chip, payload, options, &blob_handle);
+ mutex_lock(&chip->tpm_mutex);
+ rc = tpm2_load_cmd(chip, payload, options, &blob_handle,
+ TPM_TRANSMIT_UNLOCKED);
if (rc)
- return rc;
-
- rc = tpm2_unseal(chip, payload, options, blob_handle);
-
- tpm2_flush_context(chip, blob_handle);
+ goto out;

+ rc = tpm2_unseal_cmd(chip, payload, options, blob_handle,
+ TPM_TRANSMIT_UNLOCKED);
+ tpm2_flush_context_cmd(chip, blob_handle, TPM_TRANSMIT_UNLOCKED);
+out:
+ mutex_unlock(&chip->tpm_mutex);
return rc;
}

@@ -701,7 +730,7 @@ ssize_t tpm2_get_tpm_pt(struct tpm_chip *chip, u32 property_id, u32 *value,
cmd.params.get_tpm_pt_in.property_id = cpu_to_be32(property_id);
cmd.params.get_tpm_pt_in.property_cnt = cpu_to_be32(1);

- rc = tpm_transmit_cmd(chip, &cmd, sizeof(cmd), desc);
+ rc = tpm_transmit_cmd(chip, &cmd, sizeof(cmd), 0, desc);
if (!rc)
*value = be32_to_cpu(cmd.params.get_tpm_pt_out.value);

@@ -735,7 +764,7 @@ static int tpm2_startup(struct tpm_chip *chip, u16 startup_type)
cmd.header.in = tpm2_startup_header;

cmd.params.startup_in.startup_type = cpu_to_be16(startup_type);
- return tpm_transmit_cmd(chip, &cmd, sizeof(cmd),
+ return tpm_transmit_cmd(chip, &cmd, sizeof(cmd), 0,
"attempting to start the TPM");
}

@@ -763,7 +792,7 @@ void tpm2_shutdown(struct tpm_chip *chip, u16 shutdown_type)
cmd.header.in = tpm2_shutdown_header;
cmd.params.startup_in.startup_type = cpu_to_be16(shutdown_type);

- rc = tpm_transmit_cmd(chip, &cmd, sizeof(cmd), "stopping the TPM");
+ rc = tpm_transmit_cmd(chip, &cmd, sizeof(cmd), 0, "stopping the TPM");

/* In places where shutdown command is sent there's no much we can do
* except print the error code on a system failure.
@@ -828,7 +857,7 @@ static int tpm2_start_selftest(struct tpm_chip *chip, bool full)
cmd.header.in = tpm2_selftest_header;
cmd.params.selftest_in.full_test = full;

- rc = tpm_transmit_cmd(chip, &cmd, TPM2_SELF_TEST_IN_SIZE,
+ rc = tpm_transmit_cmd(chip, &cmd, TPM2_SELF_TEST_IN_SIZE, 0,
"continue selftest");

/* At least some prototype chips seem to give RC_TESTING error
@@ -880,7 +909,7 @@ static int tpm2_do_selftest(struct tpm_chip *chip)
cmd.params.pcrread_in.pcr_select[1] = 0x00;
cmd.params.pcrread_in.pcr_select[2] = 0x00;

- rc = tpm_transmit_cmd(chip, (u8 *) &cmd, sizeof(cmd), NULL);
+ rc = tpm_transmit_cmd(chip, &cmd, sizeof(cmd), 0, NULL);
if (rc < 0)
break;

@@ -928,7 +957,7 @@ int tpm2_probe(struct tpm_chip *chip)
cmd.params.get_tpm_pt_in.property_id = cpu_to_be32(0x100);
cmd.params.get_tpm_pt_in.property_cnt = cpu_to_be32(1);

- rc = tpm_transmit(chip, (const char *) &cmd, sizeof(cmd));
+ rc = tpm_transmit(chip, (const u8 *)&cmd, sizeof(cmd), 0);
if (rc < 0)
return rc;
else if (rc < TPM_HEADER_SIZE)
diff --git a/drivers/char/tpm/tpm_crb.c b/drivers/char/tpm/tpm_crb.c
index 018c382554ba..1801f382377e 100644
--- a/drivers/char/tpm/tpm_crb.c
+++ b/drivers/char/tpm/tpm_crb.c
@@ -142,6 +142,11 @@ static int crb_send(struct tpm_chip *chip, u8 *buf, size_t len)
struct crb_priv *priv = dev_get_drvdata(&chip->dev);
int rc = 0;

+ /* Zero the cancel register so that the next command will not get
+ * canceled.
+ */
+ iowrite32(0, &priv->cca->cancel);
+
if (len > ioread32(&priv->cca->cmd_size)) {
dev_err(&chip->dev,
"invalid command count value %x %zx\n",
@@ -175,8 +180,6 @@ static void crb_cancel(struct tpm_chip *chip)

if ((priv->flags & CRB_FL_ACPI_START) && crb_do_acpi_start(chip))
dev_err(&chip->dev, "ACPI Start failed\n");
-
- iowrite32(0, &priv->cca->cancel);
}

static bool crb_req_canceled(struct tpm_chip *chip, u8 status)
diff --git a/drivers/cpuidle/cpuidle-arm.c b/drivers/cpuidle/cpuidle-arm.c
index 4ba3d3fe142f..f440d385ed34 100644
--- a/drivers/cpuidle/cpuidle-arm.c
+++ b/drivers/cpuidle/cpuidle-arm.c
@@ -121,6 +121,7 @@ static int __init arm_idle_init(void)
dev = kzalloc(sizeof(*dev), GFP_KERNEL);
if (!dev) {
pr_err("Failed to allocate cpuidle device\n");
+ ret = -ENOMEM;
goto out_fail;
}
dev->cpu = cpu;
diff --git a/drivers/mfd/Kconfig b/drivers/mfd/Kconfig
index 2d1fb6420592..580f4f280d6b 100644
--- a/drivers/mfd/Kconfig
+++ b/drivers/mfd/Kconfig
@@ -1549,6 +1549,7 @@ config MFD_WM8350
config MFD_WM8350_I2C
bool "Wolfson Microelectronics WM8350 with I2C"
select MFD_WM8350
+ select REGMAP_I2C
depends on I2C=y
help
The WM8350 is an integrated audio and power management
diff --git a/drivers/mfd/atmel-hlcdc.c b/drivers/mfd/atmel-hlcdc.c
index eca7ea69b81c..4b15b0840f16 100644
--- a/drivers/mfd/atmel-hlcdc.c
+++ b/drivers/mfd/atmel-hlcdc.c
@@ -50,8 +50,9 @@ static int regmap_atmel_hlcdc_reg_write(void *context, unsigned int reg,
if (reg <= ATMEL_HLCDC_DIS) {
u32 status;

- readl_poll_timeout(hregmap->regs + ATMEL_HLCDC_SR, status,
- !(status & ATMEL_HLCDC_SIP), 1, 100);
+ readl_poll_timeout_atomic(hregmap->regs + ATMEL_HLCDC_SR,
+ status, !(status & ATMEL_HLCDC_SIP),
+ 1, 100);
}

writel(val, hregmap->regs + reg);
diff --git a/drivers/mfd/rtsx_usb.c b/drivers/mfd/rtsx_usb.c
index dbd907d7170e..691dab791f7a 100644
--- a/drivers/mfd/rtsx_usb.c
+++ b/drivers/mfd/rtsx_usb.c
@@ -46,9 +46,6 @@ static void rtsx_usb_sg_timed_out(unsigned long data)

dev_dbg(&ucr->pusb_intf->dev, "%s: sg transfer timed out", __func__);
usb_sg_cancel(&ucr->current_sg);
-
- /* we know the cancellation is caused by time-out */
- ucr->current_sg.status = -ETIMEDOUT;
}

static int rtsx_usb_bulk_transfer_sglist(struct rtsx_ucr *ucr,
@@ -67,12 +64,15 @@ static int rtsx_usb_bulk_transfer_sglist(struct rtsx_ucr *ucr,
ucr->sg_timer.expires = jiffies + msecs_to_jiffies(timeout);
add_timer(&ucr->sg_timer);
usb_sg_wait(&ucr->current_sg);
- del_timer_sync(&ucr->sg_timer);
+ if (!del_timer_sync(&ucr->sg_timer))
+ ret = -ETIMEDOUT;
+ else
+ ret = ucr->current_sg.status;

if (act_len)
*act_len = ucr->current_sg.bytes;

- return ucr->current_sg.status;
+ return ret;
}

int rtsx_usb_transfer_data(struct rtsx_ucr *ucr, unsigned int pipe,
diff --git a/drivers/pci/pci-mid.c b/drivers/pci/pci-mid.c
index c878aa71173b..55f453de562e 100644
--- a/drivers/pci/pci-mid.c
+++ b/drivers/pci/pci-mid.c
@@ -60,8 +60,13 @@ static struct pci_platform_pm_ops mid_pci_platform_pm = {

#define ICPU(model) { X86_VENDOR_INTEL, 6, model, X86_FEATURE_ANY, }

+/*
+ * This table should be in sync with the one in
+ * arch/x86/platform/intel-mid/pwr.c.
+ */
static const struct x86_cpu_id lpss_cpu_ids[] = {
- ICPU(INTEL_FAM6_ATOM_MERRIFIELD1),
+ ICPU(INTEL_FAM6_ATOM_PENWELL),
+ ICPU(INTEL_FAM6_ATOM_MERRIFIELD),
{}
};

diff --git a/drivers/phy/phy-sun4i-usb.c b/drivers/phy/phy-sun4i-usb.c
index 8c7eb335622e..4d74ca9186c7 100644
--- a/drivers/phy/phy-sun4i-usb.c
+++ b/drivers/phy/phy-sun4i-usb.c
@@ -40,6 +40,7 @@
#include <linux/power_supply.h>
#include <linux/regulator/consumer.h>
#include <linux/reset.h>
+#include <linux/spinlock.h>
#include <linux/usb/of.h>
#include <linux/workqueue.h>

@@ -112,7 +113,7 @@ struct sun4i_usb_phy_data {
void __iomem *base;
const struct sun4i_usb_phy_cfg *cfg;
enum usb_dr_mode dr_mode;
- struct mutex mutex;
+ spinlock_t reg_lock; /* guard access to phyctl reg */
struct sun4i_usb_phy {
struct phy *phy;
void __iomem *pmu;
@@ -179,9 +180,10 @@ static void sun4i_usb_phy_write(struct sun4i_usb_phy *phy, u32 addr, u32 data,
struct sun4i_usb_phy_data *phy_data = to_sun4i_usb_phy_data(phy);
u32 temp, usbc_bit = BIT(phy->index * 2);
void __iomem *phyctl = phy_data->base + phy_data->cfg->phyctl_offset;
+ unsigned long flags;
int i;

- mutex_lock(&phy_data->mutex);
+ spin_lock_irqsave(&phy_data->reg_lock, flags);

if (phy_data->cfg->type == sun8i_a33_phy) {
/* A33 needs us to set phyctl to 0 explicitly */
@@ -218,7 +220,8 @@ static void sun4i_usb_phy_write(struct sun4i_usb_phy *phy, u32 addr, u32 data,

data >>= 1;
}
- mutex_unlock(&phy_data->mutex);
+
+ spin_unlock_irqrestore(&phy_data->reg_lock, flags);
}

static void sun4i_usb_phy_passby(struct sun4i_usb_phy *phy, int enable)
@@ -577,7 +580,7 @@ static int sun4i_usb_phy_probe(struct platform_device *pdev)
if (!data)
return -ENOMEM;

- mutex_init(&data->mutex);
+ spin_lock_init(&data->reg_lock);
INIT_DELAYED_WORK(&data->detect, sun4i_usb_phy0_id_vbus_det_scan);
dev_set_drvdata(dev, data);
data->cfg = of_device_get_match_data(dev);
diff --git a/drivers/powercap/intel_rapl.c b/drivers/powercap/intel_rapl.c
index fbab29dfa793..243b233ff31b 100644
--- a/drivers/powercap/intel_rapl.c
+++ b/drivers/powercap/intel_rapl.c
@@ -1154,8 +1154,8 @@ static const struct x86_cpu_id rapl_ids[] __initconst = {

RAPL_CPU(INTEL_FAM6_ATOM_SILVERMONT1, rapl_defaults_byt),
RAPL_CPU(INTEL_FAM6_ATOM_AIRMONT, rapl_defaults_cht),
- RAPL_CPU(INTEL_FAM6_ATOM_MERRIFIELD1, rapl_defaults_tng),
- RAPL_CPU(INTEL_FAM6_ATOM_MERRIFIELD2, rapl_defaults_ann),
+ RAPL_CPU(INTEL_FAM6_ATOM_MERRIFIELD, rapl_defaults_tng),
+ RAPL_CPU(INTEL_FAM6_ATOM_MOOREFIELD, rapl_defaults_ann),
RAPL_CPU(INTEL_FAM6_ATOM_GOLDMONT, rapl_defaults_core),
RAPL_CPU(INTEL_FAM6_ATOM_DENVERTON, rapl_defaults_core),

diff --git a/drivers/usb/dwc3/gadget.c b/drivers/usb/dwc3/gadget.c
index 122e64df2f4d..68544618982e 100644
--- a/drivers/usb/dwc3/gadget.c
+++ b/drivers/usb/dwc3/gadget.c
@@ -348,7 +348,8 @@ static int dwc3_send_clear_stall_ep_cmd(struct dwc3_ep *dep)
* IN transfers due to a mishandled error condition. Synopsys
* STAR 9000614252.
*/
- if (dep->direction && (dwc->revision >= DWC3_REVISION_260A))
+ if (dep->direction && (dwc->revision >= DWC3_REVISION_260A) &&
+ (dwc->gadget.speed >= USB_SPEED_SUPER))
cmd |= DWC3_DEPCMD_CLEARPENDIN;

memset(&params, 0, sizeof(params));
diff --git a/drivers/usb/storage/usb.c b/drivers/usb/storage/usb.c
index ef2d8cde6ef7..8c5f0115166a 100644
--- a/drivers/usb/storage/usb.c
+++ b/drivers/usb/storage/usb.c
@@ -1070,17 +1070,17 @@ int usb_stor_probe2(struct us_data *us)
result = usb_stor_acquire_resources(us);
if (result)
goto BadDevice;
+ usb_autopm_get_interface_no_resume(us->pusb_intf);
snprintf(us->scsi_name, sizeof(us->scsi_name), "usb-storage %s",
dev_name(&us->pusb_intf->dev));
result = scsi_add_host(us_to_host(us), dev);
if (result) {
dev_warn(dev,
"Unable to add the scsi host\n");
- goto BadDevice;
+ goto HostAddErr;
}

/* Submit the delayed_work for SCSI-device scanning */
- usb_autopm_get_interface_no_resume(us->pusb_intf);
set_bit(US_FLIDX_SCAN_PENDING, &us->dflags);

if (delay_use > 0)
@@ -1090,6 +1090,8 @@ int usb_stor_probe2(struct us_data *us)
return 0;

/* We come here if there are any problems */
+HostAddErr:
+ usb_autopm_put_interface_no_suspend(us->pusb_intf);
BadDevice:
usb_stor_dbg(us, "storage_probe() failed\n");
release_everything(us);
diff --git a/include/linux/mfd/88pm80x.h b/include/linux/mfd/88pm80x.h
index d409ceb2231e..c118a7ec94d6 100644
--- a/include/linux/mfd/88pm80x.h
+++ b/include/linux/mfd/88pm80x.h
@@ -350,7 +350,7 @@ static inline int pm80x_dev_suspend(struct device *dev)
int irq = platform_get_irq(pdev, 0);

if (device_may_wakeup(dev))
- set_bit((1 << irq), &chip->wu_flag);
+ set_bit(irq, &chip->wu_flag);

return 0;
}
@@ -362,7 +362,7 @@ static inline int pm80x_dev_resume(struct device *dev)
int irq = platform_get_irq(pdev, 0);

if (device_may_wakeup(dev))
- clear_bit((1 << irq), &chip->wu_flag);
+ clear_bit(irq, &chip->wu_flag);

return 0;
}
diff --git a/kernel/time/timekeeping.c b/kernel/time/timekeeping.c
index e07fb093f819..37dec7e3db43 100644
--- a/kernel/time/timekeeping.c
+++ b/kernel/time/timekeeping.c
@@ -403,8 +403,11 @@ static __always_inline u64 __ktime_get_fast_ns(struct tk_fast *tkf)
tkr = tkf->base + (seq & 0x01);
now = ktime_to_ns(tkr->base);

- now += clocksource_delta(tkr->read(tkr->clock),
- tkr->cycle_last, tkr->mask);
+ now += timekeeping_delta_to_ns(tkr,
+ clocksource_delta(
+ tkr->read(tkr->clock),
+ tkr->cycle_last,
+ tkr->mask));
} while (read_seqcount_retry(&tkf->seq, seq));

return now;
diff --git a/security/integrity/ima/ima_appraise.c b/security/integrity/ima/ima_appraise.c
index 4b9b4a4e1b89..ef1e4e701780 100644
--- a/security/integrity/ima/ima_appraise.c
+++ b/security/integrity/ima/ima_appraise.c
@@ -190,7 +190,7 @@ int ima_appraise_measurement(enum ima_hooks func,
{
static const char op[] = "appraise_data";
char *cause = "unknown";
- struct dentry *dentry = file->f_path.dentry;
+ struct dentry *dentry = file_dentry(file);
struct inode *inode = d_backing_inode(dentry);
enum integrity_status status = INTEGRITY_UNKNOWN;
int rc = xattr_len, hash_start = 0;
@@ -295,7 +295,7 @@ out:
*/
void ima_update_xattr(struct integrity_iint_cache *iint, struct file *file)
{
- struct dentry *dentry = file->f_path.dentry;
+ struct dentry *dentry = file_dentry(file);
int rc = 0;

/* do not collect and update hash for digital signatures */
diff --git a/security/integrity/ima/ima_main.c b/security/integrity/ima/ima_main.c
index 596ef616ac21..423d111b3b94 100644
--- a/security/integrity/ima/ima_main.c
+++ b/security/integrity/ima/ima_main.c
@@ -228,7 +228,7 @@ static int process_measurement(struct file *file, char *buf, loff_t size,
if ((action & IMA_APPRAISE_SUBMASK) ||
strcmp(template_desc->name, IMA_TEMPLATE_IMA_NAME) != 0)
/* read 'security.ima' */
- xattr_len = ima_read_xattr(file->f_path.dentry, &xattr_value);
+ xattr_len = ima_read_xattr(file_dentry(file), &xattr_value);

hash_algo = ima_get_hash_algo(xattr_value, xattr_len);

diff --git a/sound/pci/ali5451/ali5451.c b/sound/pci/ali5451/ali5451.c
index 36470af7eda7..92b819e4f729 100644
--- a/sound/pci/ali5451/ali5451.c
+++ b/sound/pci/ali5451/ali5451.c
@@ -1408,6 +1408,7 @@ snd_ali_playback_pointer(struct snd_pcm_substream *substream)
spin_unlock(&codec->reg_lock);
dev_dbg(codec->card->dev, "playback pointer returned cso=%xh.\n", cso);

+ cso %= runtime->buffer_size;
return cso;
}

@@ -1428,6 +1429,7 @@ static snd_pcm_uframes_t snd_ali_pointer(struct snd_pcm_substream *substream)
cso = inw(ALI_REG(codec, ALI_CSO_ALPHA_FMS + 2));
spin_unlock(&codec->reg_lock);

+ cso %= runtime->buffer_size;
return cso;
}

diff --git a/sound/usb/line6/driver.c b/sound/usb/line6/driver.c
index 81b7da8e56d3..183311cb849e 100644
--- a/sound/usb/line6/driver.c
+++ b/sound/usb/line6/driver.c
@@ -29,7 +29,7 @@
/*
This is Line 6's MIDI manufacturer ID.
*/
-const unsigned char line6_midi_id[] = {
+const unsigned char line6_midi_id[3] = {
0x00, 0x01, 0x0c
};
EXPORT_SYMBOL_GPL(line6_midi_id);
diff --git a/sound/usb/mixer_quirks.c b/sound/usb/mixer_quirks.c
index f6c3bf79af9a..04991b009132 100644
--- a/sound/usb/mixer_quirks.c
+++ b/sound/usb/mixer_quirks.c
@@ -1831,6 +1831,7 @@ void snd_usb_mixer_rc_memory_change(struct usb_mixer_interface *mixer,
}

static void snd_dragonfly_quirk_db_scale(struct usb_mixer_interface *mixer,
+ struct usb_mixer_elem_info *cval,
struct snd_kcontrol *kctl)
{
/* Approximation using 10 ranges based on output measurement on hw v1.2.
@@ -1848,10 +1849,19 @@ static void snd_dragonfly_quirk_db_scale(struct usb_mixer_interface *mixer,
41, 50, TLV_DB_MINMAX_ITEM(-441, 0),
);

- usb_audio_info(mixer->chip, "applying DragonFly dB scale quirk\n");
- kctl->tlv.p = scale;
- kctl->vd[0].access |= SNDRV_CTL_ELEM_ACCESS_TLV_READ;
- kctl->vd[0].access &= ~SNDRV_CTL_ELEM_ACCESS_TLV_CALLBACK;
+ if (cval->min == 0 && cval->max == 50) {
+ usb_audio_info(mixer->chip, "applying DragonFly dB scale quirk (0-50 variant)\n");
+ kctl->tlv.p = scale;
+ kctl->vd[0].access |= SNDRV_CTL_ELEM_ACCESS_TLV_READ;
+ kctl->vd[0].access &= ~SNDRV_CTL_ELEM_ACCESS_TLV_CALLBACK;
+
+ } else if (cval->min == 0 && cval->max <= 1000) {
+ /* Some other clearly broken DragonFly variant.
+ * At least a 0..53 variant (hw v1.0) exists.
+ */
+ usb_audio_info(mixer->chip, "ignoring too narrow dB range on a DragonFly device");
+ kctl->vd[0].access &= ~SNDRV_CTL_ELEM_ACCESS_TLV_CALLBACK;
+ }
}

void snd_usb_mixer_fu_apply_quirk(struct usb_mixer_interface *mixer,
@@ -1860,8 +1870,8 @@ void snd_usb_mixer_fu_apply_quirk(struct usb_mixer_interface *mixer,
{
switch (mixer->chip->usb_id) {
case USB_ID(0x21b4, 0x0081): /* AudioQuest DragonFly */
- if (unitid == 7 && cval->min == 0 && cval->max == 50)
- snd_dragonfly_quirk_db_scale(mixer, kctl);
+ if (unitid == 7 && cval->control == UAC_FU_VOLUME)
+ snd_dragonfly_quirk_db_scale(mixer, cval, kctl);
break;
}
}
diff --git a/virt/kvm/arm/pmu.c b/virt/kvm/arm/pmu.c
index a027569facfa..6e9c40eea208 100644
--- a/virt/kvm/arm/pmu.c
+++ b/virt/kvm/arm/pmu.c
@@ -423,6 +423,14 @@ static int kvm_arm_pmu_v3_init(struct kvm_vcpu *vcpu)
if (!kvm_arm_support_pmu_v3())
return -ENODEV;

+ /*
+ * We currently require an in-kernel VGIC to use the PMU emulation,
+ * because we do not support forwarding PMU overflow interrupts to
+ * userspace yet.
+ */
+ if (!irqchip_in_kernel(vcpu->kvm) || !vgic_initialized(vcpu->kvm))
+ return -ENODEV;
+
if (!test_bit(KVM_ARM_VCPU_PMU_V3, vcpu->arch.features) ||
!kvm_arm_pmu_irq_initialized(vcpu))
return -ENXIO;
diff --git a/virt/kvm/arm/vgic/vgic.c b/virt/kvm/arm/vgic/vgic.c
index e83b7fe4baae..b465ac6d5d48 100644
--- a/virt/kvm/arm/vgic/vgic.c
+++ b/virt/kvm/arm/vgic/vgic.c
@@ -645,6 +645,9 @@ next:
/* Sync back the hardware VGIC state into our emulation after a guest's run. */
void kvm_vgic_sync_hwstate(struct kvm_vcpu *vcpu)
{
+ if (unlikely(!vgic_initialized(vcpu->kvm)))
+ return;
+
vgic_process_maintenance_interrupt(vcpu);
vgic_fold_lr_state(vcpu);
vgic_prune_ap_list(vcpu);
@@ -653,6 +656,9 @@ void kvm_vgic_sync_hwstate(struct kvm_vcpu *vcpu)
/* Flush our emulation state into the GIC hardware before entering the guest. */
void kvm_vgic_flush_hwstate(struct kvm_vcpu *vcpu)
{
+ if (unlikely(!vgic_initialized(vcpu->kvm)))
+ return;
+
spin_lock(&vcpu->arch.vgic_cpu.ap_list_lock);
vgic_flush_lr_state(vcpu);
spin_unlock(&vcpu->arch.vgic_cpu.ap_list_lock);

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