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arm64 updates for 4.11:

Browse source 
- Errata workarounds for Qualcomm's Falkor CPU
 - Qualcomm L2 Cache PMU driver
 - Qualcomm SMCCC firmware quirk
 - Support for DEBUG_VIRTUAL
 - CPU feature detection for userspace via MRS emulation
 - Preliminary work for the Statistical Profiling Extension
 - Misc cleanups and non-critical fixes
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Merge tag 'arm64-upstream' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux

Pull arm64 updates from Will Deacon:
 - Errata workarounds for Qualcomm's Falkor CPU
 - Qualcomm L2 Cache PMU driver
 - Qualcomm SMCCC firmware quirk
 - Support for DEBUG_VIRTUAL
 - CPU feature detection for userspace via MRS emulation
 - Preliminary work for the Statistical Profiling Extension
 - Misc cleanups and non-critical fixes

* tag 'arm64-upstream' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux: (74 commits)
  arm64/kprobes: consistently handle MRS/MSR with XZR
  arm64: cpufeature: correctly handle MRS to XZR
  arm64: traps: correctly handle MRS/MSR with XZR
  arm64: ptrace: add XZR-safe regs accessors
  arm64: include asm/assembler.h in entry-ftrace.S
  arm64: fix warning about swapper_pg_dir overflow
  arm64: Work around Falkor erratum 1003
  arm64: head.S: Enable EL1 (host) access to SPE when entered at EL2
  arm64: arch_timer: document Hisilicon erratum 161010101
  arm64: use is_vmalloc_addr
  arm64: use linux/sizes.h for constants
  arm64: uaccess: consistently check object sizes
  perf: add qcom l2 cache perf events driver
  arm64: remove wrong CONFIG_PROC_SYSCTL ifdef
  ARM: smccc: Update HVC comment to describe new quirk parameter
  arm64: do not trace atomic operations
  ACPI/IORT: Fix the error return code in iort_add_smmu_platform_device()
  ACPI/IORT: Fix iort_node_get_id() mapping entries indexing
  arm64: mm: enable CONFIG_HOLES_IN_ZONE for NUMA
  perf: xgene: Include module.h
  ...
This commit is contained in:
Linus Torvalds 2017-02-22 10:46:44 -08:00
commit ca78d3173c
85 changed files with 2396 additions and 439 deletions
Download patch file Download diff file Expand all files Collapse all files

4
drivers/firmware/psci.c
View file

@ -383,7 +383,7 @@ static int psci_suspend_finisher(unsigned long index)
u32 *state = __this_cpu_read(psci_power_state);
return psci_ops.cpu_suspend(state[index - 1],
virt_to_phys(cpu_resume));
__pa_symbol(cpu_resume));
}
int psci_cpu_suspend_enter(unsigned long index)
@ -419,7 +419,7 @@ CPUIDLE_METHOD_OF_DECLARE(psci, "psci", &psci_cpuidle_ops);
static int psci_system_suspend(unsigned long unused)
{
return invoke_psci_fn(PSCI_FN_NATIVE(1_0, SYSTEM_SUSPEND),
virt_to_phys(cpu_resume), 0, 0);
__pa_symbol(cpu_resume), 0, 0);
}
static int psci_system_suspend_enter(suspend_state_t state)

13
drivers/firmware/qcom_scm-64.c
View file

@ -91,6 +91,7 @@ static int qcom_scm_call(struct device *dev, u32 svc_id, u32 cmd_id,
dma_addr_t args_phys = 0;
void *args_virt = NULL;
size_t alloc_len;
struct arm_smccc_quirk quirk = {.id = ARM_SMCCC_QUIRK_QCOM_A6};
if (unlikely(arglen > N_REGISTER_ARGS)) {
alloc_len = N_EXT_QCOM_SCM_ARGS * sizeof(u64);
@ -131,10 +132,16 @@ static int qcom_scm_call(struct device *dev, u32 svc_id, u32 cmd_id,
qcom_smccc_convention,
ARM_SMCCC_OWNER_SIP, fn_id);
quirk.state.a6 = 0;
do {
arm_smccc_smc(cmd, desc->arginfo, desc->args[0],
desc->args[1], desc->args[2], x5, 0, 0,
res);
arm_smccc_smc_quirk(cmd, desc->arginfo, desc->args[0],
desc->args[1], desc->args[2], x5,
quirk.state.a6, 0, res, &quirk);
if (res->a0 == QCOM_SCM_INTERRUPTED)
cmd = res->a0;
} while (res->a0 == QCOM_SCM_INTERRUPTED);
mutex_unlock(&qcom_scm_lock);