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authorCatalin Marinas <catalin.marinas@arm.com>2010-03-24 11:47:53 -0400
committerRussell King <rmk+kernel@arm.linux.org.uk>2010-03-25 17:13:49 -0400
commit319f551a0a167b49b5bbb4a9ff4802046a572bc5 (patch)
treeb10f922c96e8f0a6ead8557677badeaf27bea630 /arch/arm/mm
parent33f663ff9186da1bcc88dc7830b3a632bd472da5 (diff)
ARM: 5994/1: ARM: Add outer_cache_fns.sync function pointer (2/4)
This patch introduces the outer_cache_fns.sync function pointer together with the OUTER_CACHE_SYNC config option that can be used to drain the write buffer of the outer cache. Signed-off-by: Catalin Marinas <catalin.marinas@arm.com> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Diffstat (limited to 'arch/arm/mm')
-rw-r--r--arch/arm/mm/Kconfig6
1 files changed, 6 insertions, 0 deletions
diff --git a/arch/arm/mm/Kconfig b/arch/arm/mm/Kconfig
index c4ed9f93f64..88a24de55aa 100644
--- a/arch/arm/mm/Kconfig
+++ b/arch/arm/mm/Kconfig
@@ -736,6 +736,12 @@ config NEEDS_SYSCALL_FOR_CMPXCHG
736config OUTER_CACHE 736config OUTER_CACHE
737 bool 737 bool
738 738
739config OUTER_CACHE_SYNC
740 bool
741 help
742 The outer cache has a outer_cache_fns.sync function pointer
743 that can be used to drain the write buffer of the outer cache.
744
739config CACHE_FEROCEON_L2 745config CACHE_FEROCEON_L2
740 bool "Enable the Feroceon L2 cache controller" 746 bool "Enable the Feroceon L2 cache controller"
741 depends on ARCH_KIRKWOOD || ARCH_MV78XX0 747 depends on ARCH_KIRKWOOD || ARCH_MV78XX0