Merge tag 'stable/for-linus-3.13-rc0-tag' of git://git.kernel.org/pub/scm/linux/kerne...

[linux-block.git] / arch / arm / Kconfig

diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig
index 04163fece49fea0662fcd338814aab1177842732..e089e622be79115697ba213a816eaeb003def98b 100644 (file)
--- a/arch/arm/Kconfig
+++ b/arch/arm/Kconfig
@@ -5,6 +5,7 @@ config ARM
        select ARCH_HAS_ATOMIC64_DEC_IF_POSITIVE
        select ARCH_HAS_TICK_BROADCAST if GENERIC_CLOCKEVENTS_BROADCAST
        select ARCH_HAVE_CUSTOM_GPIO_H
+       select ARCH_USE_CMPXCHG_LOCKREF
        select ARCH_WANT_IPC_PARSE_VERSION
        select BUILDTIME_EXTABLE_SORT if MMU
        select CLONE_BACKWARDS
@@ -51,9 +52,12 @@ config ARM
        select HAVE_MOD_ARCH_SPECIFIC if ARM_UNWIND
        select HAVE_OPROFILE if (HAVE_PERF_EVENTS)
        select HAVE_PERF_EVENTS
+       select HAVE_PERF_REGS
+       select HAVE_PERF_USER_STACK_DUMP
        select HAVE_REGS_AND_STACK_ACCESS_API
        select HAVE_SYSCALL_TRACEPOINTS
        select HAVE_UID16
+       select HAVE_VIRT_CPU_ACCOUNTING_GEN
        select IRQ_FORCED_THREADING
        select KTIME_SCALAR
        select MODULES_USE_ELF_REL
@@ -388,7 +392,6 @@ config ARCH_GEMINI
        select CLKSRC_MMIO
        select CPU_FA526
        select GENERIC_CLOCKEVENTS
-       select NEED_MACH_GPIO_H
        help
          Support for the Cortina Systems Gemini family SoCs
 
@@ -457,7 +460,7 @@ config ARCH_IOP32X
        depends on MMU
        select ARCH_REQUIRE_GPIOLIB
        select CPU_XSCALE
-       select NEED_MACH_GPIO_H
+       select GPIO_IOP
        select NEED_RET_TO_USER
        select PCI
        select PLAT_IOP
@@ -470,7 +473,7 @@ config ARCH_IOP33X
        depends on MMU
        select ARCH_REQUIRE_GPIOLIB
        select CPU_XSCALE
-       select NEED_MACH_GPIO_H
+       select GPIO_IOP
        select NEED_RET_TO_USER
        select PCI
        select PLAT_IOP
@@ -481,6 +484,7 @@ config ARCH_IXP4XX
        bool "IXP4xx-based"
        depends on MMU
        select ARCH_HAS_DMA_SET_COHERENT_MASK
+       select ARCH_SUPPORTS_BIG_ENDIAN
        select ARCH_REQUIRE_GPIOLIB
        select CLKSRC_MMIO
        select CPU_XSCALE
@@ -559,7 +563,6 @@ config ARCH_MMP
        select GPIO_PXA
        select IRQ_DOMAIN
        select MULTI_IRQ_HANDLER
-       select NEED_MACH_GPIO_H
        select PINCTRL
        select PLAT_PXA
        select SPARSE_IRQ
@@ -622,7 +625,6 @@ config ARCH_PXA
        select GPIO_PXA
        select HAVE_IDE
        select MULTI_IRQ_HANDLER
-       select NEED_MACH_GPIO_H
        select PLAT_PXA
        select SPARSE_IRQ
        help
@@ -690,7 +692,6 @@ config ARCH_SA1100
        select GENERIC_CLOCKEVENTS
        select HAVE_IDE
        select ISA
-       select NEED_MACH_GPIO_H
        select NEED_MACH_MEMORY_H
        select SPARSE_IRQ
        help
@@ -1066,11 +1067,6 @@ config IWMMXT
          Enable support for iWMMXt context switching at run time if
          running on a CPU that supports it.
 
-config XSCALE_PMU
-       bool
-       depends on CPU_XSCALE
-       default y
-
 config MULTI_IRQ_HANDLER
        bool
        help
@@ -1436,7 +1432,6 @@ config SMP
        depends on GENERIC_CLOCKEVENTS
        depends on HAVE_SMP
        depends on MMU || ARM_MPU
-       select USE_GENERIC_SMP_HELPERS
        help
          This enables support for systems with more than one CPU. If you have
          a system with only one CPU, like most personal computers, say N. If
@@ -1518,6 +1513,32 @@ config MCPM
          for (multi-)cluster based systems, such as big.LITTLE based
          systems.
 
+config BIG_LITTLE
+       bool "big.LITTLE support (Experimental)"
+       depends on CPU_V7 && SMP
+       select MCPM
+       help
+         This option enables support selections for the big.LITTLE
+         system architecture.
+
+config BL_SWITCHER
+       bool "big.LITTLE switcher support"
+       depends on BIG_LITTLE && MCPM && HOTPLUG_CPU
+       select CPU_PM
+       select ARM_CPU_SUSPEND
+       help
+         The big.LITTLE "switcher" provides the core functionality to
+         transparently handle transition between a cluster of A15's
+         and a cluster of A7's in a big.LITTLE system.
+
+config BL_SWITCHER_DUMMY_IF
+       tristate "Simple big.LITTLE switcher user interface"
+       depends on BL_SWITCHER && DEBUG_KERNEL
+       help
+         This is a simple and dummy char dev interface to control
+         the big.LITTLE switcher core code.  It is meant for
+         debugging purposes only.
+
 choice
        prompt "Memory split"
        default VMSPLIT_3G
@@ -1841,6 +1862,12 @@ config CC_STACKPROTECTOR
          neutralized via a kernel panic.
          This feature requires gcc version 4.2 or above.
 
+config SWIOTLB
+       def_bool y
+
+config IOMMU_HELPER
+       def_bool SWIOTLB
+
 config XEN_DOM0
        def_bool y
        depends on XEN
@@ -1851,6 +1878,7 @@ config XEN
        depends on CPU_V7 && !CPU_V6
        depends on !GENERIC_ATOMIC64
        select ARM_PSCI
+       select SWIOTLB_XEN
        help
          Say Y if you want to run Linux in a Virtual Machine on Xen on ARM.