Merge tag 'arm64-upstream' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux

Pull ARM64 updates from Catalin Marinas:
 - CPU suspend support on top of PSCI (firmware Power State Coordination
   Interface)
 - jump label support
 - CMA can now be enabled on arm64
 - HWCAP bits for crypto and CRC32 extensions
 - optimised percpu using tpidr_el1 register
 - code cleanup

* tag 'arm64-upstream' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux: (42 commits)
  arm64: fix typo in entry.S
  arm64: kernel: restore HW breakpoint registers in cpu_suspend
  jump_label: use defined macros instead of hard-coding for better readability
  arm64, jump label: optimize jump label implementation
  arm64, jump label: detect %c support for ARM64
  arm64: introduce aarch64_insn_gen_{nop|branch_imm}() helper functions
  arm64: move encode_insn_immediate() from module.c to insn.c
  arm64: introduce interfaces to hotpatch kernel and module code
  arm64: introduce basic aarch64 instruction decoding helpers
  arm64: dts: Reduce size of virtio block device for foundation model
  arm64: Remove unused __data_loc variable
  arm64: Enable CMA
  arm64: Warn on NULL device structure for dma APIs
  arm64: Add hwcaps for crypto and CRC32 extensions.
  arm64: drop redundant macros from read_cpuid()
  arm64: Remove outdated comment
  arm64: cmpxchg: update macros to prevent warnings
  arm64: support single-step and breakpoint handler hooks
  ARM64: fix framepointer check in unwind_frame
  ARM64: check stack pointer in get_wchan
  ...

1 files changed, 27 insertions, 0 deletions

diff --git a/arch/arm64/Kconfig b/arch/arm64/Kconfig
index 6d4dd22ee4b..dd4327f09ba 100644
--- a/arch/arm64/Kconfig
+++ b/arch/arm64/Kconfig
@@ -2,6 +2,7 @@ config ARM64
 	def_bool y
 	select ARCH_HAS_ATOMIC64_DEC_IF_POSITIVE
 	select ARCH_USE_CMPXCHG_LOCKREF
+	select ARCH_HAS_TICK_BROADCAST if GENERIC_CLOCKEVENTS_BROADCAST
 	select ARCH_WANT_OPTIONAL_GPIOLIB
 	select ARCH_WANT_COMPAT_IPC_PARSE_VERSION
 	select ARCH_WANT_FRAME_POINTERS
@@ -11,19 +12,27 @@ config ARM64
 	select BUILDTIME_EXTABLE_SORT
 	select CLONE_BACKWARDS
 	select COMMON_CLK
+	select CPU_PM if (SUSPEND || CPU_IDLE)
+	select DCACHE_WORD_ACCESS
 	select GENERIC_CLOCKEVENTS
+	select GENERIC_CLOCKEVENTS_BROADCAST if SMP
 	select GENERIC_IOMAP
 	select GENERIC_IRQ_PROBE
 	select GENERIC_IRQ_SHOW
 	select GENERIC_SCHED_CLOCK
 	select GENERIC_SMP_IDLE_THREAD
+	select GENERIC_STRNCPY_FROM_USER
+	select GENERIC_STRNLEN_USER
 	select GENERIC_TIME_VSYSCALL
 	select HARDIRQS_SW_RESEND
+	select HAVE_ARCH_JUMP_LABEL
 	select HAVE_ARCH_TRACEHOOK
 	select HAVE_DEBUG_BUGVERBOSE
 	select HAVE_DEBUG_KMEMLEAK
 	select HAVE_DMA_API_DEBUG
 	select HAVE_DMA_ATTRS
+	select HAVE_DMA_CONTIGUOUS
+	select HAVE_EFFICIENT_UNALIGNED_ACCESS
 	select HAVE_GENERIC_DMA_COHERENT
 	select HAVE_HW_BREAKPOINT if PERF_EVENTS
 	select HAVE_MEMBLOCK
@@ -275,6 +284,24 @@ config SYSVIPC_COMPAT
 
 endmenu
 
+menu "Power management options"
+
+source "kernel/power/Kconfig"
+
+config ARCH_SUSPEND_POSSIBLE
+	def_bool y
+
+config ARM64_CPU_SUSPEND
+	def_bool PM_SLEEP
+
+endmenu
+
+menu "CPU Power Management"
+
+source "drivers/cpuidle/Kconfig"
+
+endmenu
+
 source "net/Kconfig"
 
 source "drivers/Kconfig"