Merge branch 'spear/multiplatform' into late/cleanup

[GitHub/LineageOS/android_kernel_samsung_universal7580.git] / arch / arm / Kconfig

diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig
index 4b82c7bbef864781d46380bfb7287d496707aaf2..5fa0cc590887e1ec0002382e52015f4cd80771b9 100644 (file)
--- a/arch/arm/Kconfig
+++ b/arch/arm/Kconfig
@@ -49,7 +49,6 @@ config ARM
        select HAVE_REGS_AND_STACK_ACCESS_API
        select HAVE_SYSCALL_TRACEPOINTS
        select HAVE_UID16
-       select HAVE_VIRT_TO_BUS
        select KTIME_SCALAR
        select PERF_USE_VMALLOC
        select RTC_LIB
@@ -556,7 +555,6 @@ config ARCH_IXP4XX
 config ARCH_DOVE
        bool "Marvell Dove"
        select ARCH_REQUIRE_GPIOLIB
-       select COMMON_CLK_DOVE
        select CPU_V7
        select GENERIC_CLOCKEVENTS
        select MIGHT_HAVE_PCI
@@ -744,6 +742,7 @@ config ARCH_RPC
        select NEED_MACH_IO_H
        select NEED_MACH_MEMORY_H
        select NO_IOPORT
+       select VIRT_TO_BUS
        help
          On the Acorn Risc-PC, Linux can support the internal IDE disk and
          CD-ROM interface, serial and parallel port, and the floppy drive.
@@ -879,6 +878,7 @@ config ARCH_SHARK
        select ISA_DMA
        select NEED_MACH_MEMORY_H
        select PCI
+       select VIRT_TO_BUS
        select ZONE_DMA
        help
          Support for the StrongARM based Digital DNARD machine, also known
@@ -998,12 +998,12 @@ config ARCH_MULTI_V4_V5
        bool
 
 config ARCH_MULTI_V6
-       bool "ARMv6 based platforms (ARM11, Scorpion, ...)"
+       bool "ARMv6 based platforms (ARM11)"
        select ARCH_MULTI_V6_V7
        select CPU_V6
 
 config ARCH_MULTI_V7
-       bool "ARMv7 based platforms (Cortex-A, PJ4, Krait)"
+       bool "ARMv7 based platforms (Cortex-A, PJ4, Scorpion, Krait)"
        default y
        select ARCH_MULTI_V6_V7
        select ARCH_VEXPRESS
@@ -1175,9 +1175,9 @@ config ARM_NR_BANKS
        default 8
 
 config IWMMXT
-       bool "Enable iWMMXt support"
+       bool "Enable iWMMXt support" if !CPU_PJ4
        depends on CPU_XSCALE || CPU_XSC3 || CPU_MOHAWK || CPU_PJ4
-       default y if PXA27x || PXA3xx || ARCH_MMP
+       default y if PXA27x || PXA3xx || ARCH_MMP || CPU_PJ4
        help
          Enable support for iWMMXt context switching at run time if
          running on a CPU that supports it.
@@ -1431,6 +1431,16 @@ config ARM_ERRATA_775420
         to deadlock. This workaround puts DSB before executing ISB if
         an abort may occur on cache maintenance.
 
+config ARM_ERRATA_798181
+       bool "ARM errata: TLBI/DSB failure on Cortex-A15"
+       depends on CPU_V7 && SMP
+       help
+         On Cortex-A15 (r0p0..r3p2) the TLBI*IS/DSB operations are not
+         adequately shooting down all use of the old entries. This
+         option enables the Linux kernel workaround for this erratum
+         which sends an IPI to the CPUs that are running the same ASID
+         as the one being invalidated.
+
 endmenu
 
 source "arch/arm/common/Kconfig"
@@ -1454,10 +1464,6 @@ config ISA_DMA
        bool
        select ISA_DMA_API
 
-config ARCH_NO_VIRT_TO_BUS
-       def_bool y
-       depends on !ARCH_RPC && !ARCH_NETWINDER && !ARCH_SHARK
-
 # Select ISA DMA interface
 config ISA_DMA_API
        bool
@@ -1649,13 +1655,16 @@ config LOCAL_TIMERS
          accounting to be spread across the timer interval, preventing a
          "thundering herd" at every timer tick.
 
+# The GPIO number here must be sorted by descending number. In case of
+# a multiplatform kernel, we just want the highest value required by the
+# selected platforms.
 config ARCH_NR_GPIO
        int
        default 1024 if ARCH_SHMOBILE || ARCH_TEGRA
-       default 355 if ARCH_U8500
-       default 264 if MACH_H4700
        default 512 if SOC_OMAP5
+       default 355 if ARCH_U8500
        default 288 if ARCH_VT8500 || ARCH_SUNXI
+       default 264 if MACH_H4700
        default 0
        help
          Maximum number of GPIOs in the system.
@@ -1879,8 +1888,9 @@ config XEN_DOM0
 
 config XEN
        bool "Xen guest support on ARM (EXPERIMENTAL)"
-       depends on ARM && OF
+       depends on ARM && AEABI && OF
        depends on CPU_V7 && !CPU_V6
+       depends on !GENERIC_ATOMIC64
        help
          Say Y if you want to run Linux in a Virtual Machine on Xen on ARM.