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authorRussell King <rmk+kernel@arm.linux.org.uk>2011-01-04 19:39:29 +0000
committerRussell King <rmk+kernel@arm.linux.org.uk>2011-02-17 23:27:33 +0000
commitcada3c0841e1deaec4c0f92654610b028dc683ff (patch)
tree9c6085c8b8447795ddc749315a31fd3906a6159d /arch/arm/Kconfig
parentdc21af99fadcfa0ae65b52fd0895f85824f0c288 (diff)
downloadlwn-cada3c0841e1deaec4c0f92654610b028dc683ff.tar.gz
lwn-cada3c0841e1deaec4c0f92654610b028dc683ff.zip
ARM: P2V: extend to 16-bit translation offsets
MSM's memory is aligned to 2MB, which is more than we can do with our existing method as we're limited to the upper 8 bits. Extend this by using two instructions to 16 bits, automatically selected when MSM is enabled. Acked-by: Tony Lindgren <tony@atomide.com> Reviewed-by: Nicolas Pitre <nicolas.pitre@linaro.org> Tested-by: Nicolas Pitre <nicolas.pitre@linaro.org> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Diffstat (limited to 'arch/arm/Kconfig')
-rw-r--r--arch/arm/Kconfig5
1 files changed, 4 insertions, 1 deletions
diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig
index 4147f76e7988..b357c29e7dfc 100644
--- a/arch/arm/Kconfig
+++ b/arch/arm/Kconfig
@@ -195,7 +195,6 @@ config ARM_PATCH_PHYS_VIRT
bool "Patch physical to virtual translations at runtime (EXPERIMENTAL)"
depends on EXPERIMENTAL
depends on !XIP_KERNEL && !THUMB2_KERNEL && MMU
- depends on !ARCH_MSM
depends on !ARCH_REALVIEW || !SPARSEMEM
help
Patch phys-to-virt translation functions at runtime according to
@@ -204,6 +203,10 @@ config ARM_PATCH_PHYS_VIRT
This can only be used with non-XIP, non-Thumb2, MMU kernels where
the base of physical memory is at a 16MB boundary.
+config ARM_PATCH_PHYS_VIRT_16BIT
+ def_bool y
+ depends on ARM_PATCH_PHYS_VIRT && ARCH_MSM
+
source "init/Kconfig"
source "kernel/Kconfig.freezer"