Merge branch 'arm/common-kconfig-refactor+for-rmk' of git://git.linaro.org/people/dmart/linux-2.6-arm into devel-stable
diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig
index abba5b8..3ee1818 100644
--- a/arch/arm/Kconfig
+++ b/arch/arm/Kconfig
@@ -340,10 +340,12 @@
select ARM_AMBA
select ARM_GIC
select ARM_TIMER_SP804
+ select CACHE_L2X0
select CLKDEV_LOOKUP
select CPU_V7
select GENERIC_CLOCKEVENTS
select HAVE_ARM_SCU
+ select HAVE_SMP
select USE_OF
help
Support for the Calxeda Highbank SoC based boards.
@@ -361,6 +363,7 @@
select CPU_V6K
select GENERIC_CLOCKEVENTS
select ARM_GIC
+ select MIGHT_HAVE_CACHE_L2X0
select MIGHT_HAVE_PCI
select PCI_DOMAINS if PCI
help
@@ -381,6 +384,7 @@
select GENERIC_CLOCKEVENTS
select CLKDEV_LOOKUP
select GENERIC_IRQ_CHIP
+ select MIGHT_HAVE_CACHE_L2X0
select USE_OF
select ZONE_DMA
help
@@ -633,6 +637,8 @@
select GENERIC_GPIO
select HAVE_CLK
select HAVE_SCHED_CLOCK
+ select HAVE_SMP
+ select MIGHT_HAVE_CACHE_L2X0
select ARCH_HAS_CPUFREQ
help
This enables support for NVIDIA Tegra based systems (Tegra APX,
@@ -702,7 +708,9 @@
select HAVE_CLK
select CLKDEV_LOOKUP
select HAVE_MACH_CLKDEV
+ select HAVE_SMP
select GENERIC_CLOCKEVENTS
+ select MIGHT_HAVE_CACHE_L2X0
select NO_IOPORT
select SPARSE_IRQ
select MULTI_IRQ_HANDLER
@@ -904,6 +912,8 @@
select CLKDEV_LOOKUP
select ARCH_REQUIRE_GPIOLIB
select ARCH_HAS_CPUFREQ
+ select HAVE_SMP
+ select MIGHT_HAVE_CACHE_L2X0
help
Support for ST-Ericsson's Ux500 architecture
@@ -914,6 +924,7 @@
select CPU_ARM926T
select CLKDEV_LOOKUP
select GENERIC_CLOCKEVENTS
+ select MIGHT_HAVE_CACHE_L2X0
select ARCH_REQUIRE_GPIOLIB
help
Support for the Nomadik platform by ST-Ericsson
@@ -973,6 +984,7 @@
select ARM_GIC
select ARM_AMBA
select ICST
+ select MIGHT_HAVE_CACHE_L2X0
select USE_OF
help
Support for Xilinx Zynq ARM Cortex A9 Platform
@@ -1434,14 +1446,20 @@
source "kernel/time/Kconfig"
+config HAVE_SMP
+ bool
+ help
+ This option should be selected by machines which have an SMP-
+ capable CPU.
+
+ The only effect of this option is to make the SMP-related
+ options available to the user for configuration.
+
config SMP
bool "Symmetric Multi-Processing"
depends on CPU_V6K || CPU_V7
depends on GENERIC_CLOCKEVENTS
- depends on REALVIEW_EB_ARM11MP || REALVIEW_EB_A9MP || \
- MACH_REALVIEW_PB11MP || MACH_REALVIEW_PBX || ARCH_OMAP4 || \
- ARCH_EXYNOS4 || ARCH_TEGRA || ARCH_U8500 || ARCH_VEXPRESS_CA9X4 || \
- ARCH_MSM_SCORPIONMP || ARCH_SHMOBILE || ARCH_HIGHBANK || SOC_IMX6Q
+ depends on HAVE_SMP
depends on MMU
select USE_GENERIC_SMP_HELPERS
select HAVE_ARM_SCU if !ARCH_MSM_SCORPIONMP
diff --git a/arch/arm/mach-exynos/Kconfig b/arch/arm/mach-exynos/Kconfig
index 724ec0f..e1efbca 100644
--- a/arch/arm/mach-exynos/Kconfig
+++ b/arch/arm/mach-exynos/Kconfig
@@ -17,6 +17,8 @@
config ARCH_EXYNOS4
bool "SAMSUNG EXYNOS4"
+ select HAVE_SMP
+ select MIGHT_HAVE_CACHE_L2X0
help
Samsung EXYNOS4 SoCs based systems
diff --git a/arch/arm/mach-imx/Kconfig b/arch/arm/mach-imx/Kconfig
index c44aa97..188ecc0 100644
--- a/arch/arm/mach-imx/Kconfig
+++ b/arch/arm/mach-imx/Kconfig
@@ -596,12 +596,12 @@
config SOC_IMX6Q
bool "i.MX6 Quad support"
select ARM_GIC
- select CACHE_L2X0
select CPU_V7
select HAVE_ARM_SCU
select HAVE_IMX_GPC
select HAVE_IMX_MMDC
select HAVE_IMX_SRC
+ select HAVE_SMP
select USE_OF
help
diff --git a/arch/arm/mach-msm/Kconfig b/arch/arm/mach-msm/Kconfig
index ebde97f..e6beaff 100644
--- a/arch/arm/mach-msm/Kconfig
+++ b/arch/arm/mach-msm/Kconfig
@@ -67,6 +67,7 @@
bool
config ARCH_MSM_SCORPIONMP
bool
+ select HAVE_SMP
config ARCH_MSM_ARM11
bool
diff --git a/arch/arm/mach-omap2/Kconfig b/arch/arm/mach-omap2/Kconfig
index b662513..4f01533 100644
--- a/arch/arm/mach-omap2/Kconfig
+++ b/arch/arm/mach-omap2/Kconfig
@@ -43,8 +43,10 @@
bool "TI OMAP4"
default y
depends on ARCH_OMAP2PLUS
+ select CACHE_L2X0
select CPU_V7
select ARM_GIC
+ select HAVE_SMP
select LOCAL_TIMERS if SMP
select PL310_ERRATA_588369
select PL310_ERRATA_727915
diff --git a/arch/arm/mach-realview/Kconfig b/arch/arm/mach-realview/Kconfig
index dba6d0c..c593be4 100644
--- a/arch/arm/mach-realview/Kconfig
+++ b/arch/arm/mach-realview/Kconfig
@@ -12,6 +12,8 @@
bool "Support Multicore Cortex-A9 Tile"
depends on MACH_REALVIEW_EB
select CPU_V7
+ select HAVE_SMP
+ select MIGHT_HAVE_CACHE_L2X0
help
Enable support for the Cortex-A9MPCore tile fitted to the
Realview(R) Emulation Baseboard platform.
@@ -21,6 +23,8 @@
depends on MACH_REALVIEW_EB
select CPU_V6K
select ARCH_HAS_BARRIERS if SMP
+ select HAVE_SMP
+ select MIGHT_HAVE_CACHE_L2X0
help
Enable support for the ARM11MPCore tile fitted to the Realview(R)
Emulation Baseboard platform.
@@ -39,6 +43,8 @@
select CPU_V6K
select ARM_GIC
select HAVE_PATA_PLATFORM
+ select HAVE_SMP
+ select MIGHT_HAVE_CACHE_L2X0
select ARCH_HAS_BARRIERS if SMP
help
Include support for the ARM(R) RealView(R) Platform Baseboard for
@@ -51,6 +57,7 @@
select CPU_V6
select ARM_GIC
select HAVE_TCM
+ select MIGHT_HAVE_CACHE_L2X0
help
Include support for the ARM(R) RealView(R) Platform Baseboard for
ARM1176JZF-S.
@@ -78,6 +85,8 @@
bool "Support RealView(R) Platform Baseboard Explore"
select ARM_GIC
select HAVE_PATA_PLATFORM
+ select HAVE_SMP
+ select MIGHT_HAVE_CACHE_L2X0
select ARCH_SPARSEMEM_ENABLE if CPU_V7 && !REALVIEW_HIGH_PHYS_OFFSET
select ZONE_DMA if SPARSEMEM
help
diff --git a/arch/arm/mach-vexpress/Kconfig b/arch/arm/mach-vexpress/Kconfig
index 9311484..9b3d0fb 100644
--- a/arch/arm/mach-vexpress/Kconfig
+++ b/arch/arm/mach-vexpress/Kconfig
@@ -8,5 +8,7 @@
select ARM_ERRATA_720789
select ARM_ERRATA_751472
select ARM_ERRATA_753970
+ select HAVE_SMP
+ select MIGHT_HAVE_CACHE_L2X0
endmenu
diff --git a/arch/arm/mm/Kconfig b/arch/arm/mm/Kconfig
index 5cf7922..4cefb57 100644
--- a/arch/arm/mm/Kconfig
+++ b/arch/arm/mm/Kconfig
@@ -833,14 +833,23 @@
Say Y here to use the Feroceon L2 cache in writethrough mode.
Unless you specifically require this, say N for writeback mode.
+config MIGHT_HAVE_CACHE_L2X0
+ bool
+ help
+ This option should be selected by machines which have a L2x0
+ or PL310 cache controller, but where its use is optional.
+
+ The only effect of this option is to make CACHE_L2X0 and
+ related options available to the user for configuration.
+
+ Boards or SoCs which always require the cache controller
+ support to be present should select CACHE_L2X0 directly
+ instead of this option, thus preventing the user from
+ inadvertently configuring a broken kernel.
+
config CACHE_L2X0
- bool "Enable the L2x0 outer cache controller"
- depends on REALVIEW_EB_ARM11MP || MACH_REALVIEW_PB11MP || MACH_REALVIEW_PB1176 || \
- REALVIEW_EB_A9MP || ARCH_IMX_V6_V7 || MACH_REALVIEW_PBX || \
- ARCH_NOMADIK || ARCH_OMAP4 || ARCH_EXYNOS4 || ARCH_TEGRA || \
- ARCH_U8500 || ARCH_VEXPRESS_CA9X4 || ARCH_SHMOBILE || \
- ARCH_PRIMA2 || ARCH_ZYNQ || ARCH_CNS3XXX || ARCH_HIGHBANK
- default y
+ bool "Enable the L2x0 outer cache controller" if MIGHT_HAVE_CACHE_L2X0
+ default MIGHT_HAVE_CACHE_L2X0
select OUTER_CACHE
select OUTER_CACHE_SYNC
help
diff --git a/arch/arm/plat-mxc/Kconfig b/arch/arm/plat-mxc/Kconfig
index b3a1f2b3..b30708e2 100644
--- a/arch/arm/plat-mxc/Kconfig
+++ b/arch/arm/plat-mxc/Kconfig
@@ -20,6 +20,7 @@
bool "i.MX3, i.MX6"
select AUTO_ZRELADDR if !ZBOOT_ROM
select ARM_PATCH_PHYS_VIRT
+ select MIGHT_HAVE_CACHE_L2X0
help
This enables support for systems based on the Freescale i.MX3 and i.MX6
family.