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authorSantosh Shilimkar <santosh.shilimkar@ti.com>2010-05-20 09:33:38 +0200
committerRussell King <rmk+kernel@arm.linux.org.uk>2010-05-21 00:52:38 +0200
commita901ff715d53c109821cbbd9d7ea1f2a311646a9 (patch)
tree0d2eaa7e5ffa29aa15d966545028a7fc47d76474 /arch/arm/mm/cache-v7.S
parentARM: 6135/1: mx21/devices: fix USBOTG resource (diff)
downloadlinux-a901ff715d53c109821cbbd9d7ea1f2a311646a9.tar.xz
linux-a901ff715d53c109821cbbd9d7ea1f2a311646a9.zip
ARM: 6139/1: ARMv7: Use the Inner Shareable I-cache on MP
This patch fixes the flush_cache_all for ARMv7 SMP.It was missing from commit b8349b569aae661dea9d59d7d2ee587ccea3336c Signed-off-by: Santosh Shilimkar <santosh.shilimkar@ti.com> Acked-by: Catalin Marinas <catalin.marinas@arm.com> Cc: <stable@kernel.org> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Diffstat (limited to 'arch/arm/mm/cache-v7.S')
-rw-r--r--arch/arm/mm/cache-v7.S4
1 files changed, 4 insertions, 0 deletions
diff --git a/arch/arm/mm/cache-v7.S b/arch/arm/mm/cache-v7.S
index 06a90dcfc60a..37c8157e116e 100644
--- a/arch/arm/mm/cache-v7.S
+++ b/arch/arm/mm/cache-v7.S
@@ -91,7 +91,11 @@ ENTRY(v7_flush_kern_cache_all)
THUMB( stmfd sp!, {r4-r7, r9-r11, lr} )
bl v7_flush_dcache_all
mov r0, #0
+#ifdef CONFIG_SMP
+ mcr p15, 0, r0, c7, c1, 0 @ invalidate I-cache inner shareable
+#else
mcr p15, 0, r0, c7, c5, 0 @ I+BTB cache invalidate
+#endif
ARM( ldmfd sp!, {r4-r5, r7, r9-r11, lr} )
THUMB( ldmfd sp!, {r4-r7, r9-r11, lr} )
mov pc, lr