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>
diff --git a/arch/arm/mm/cache-v7.S b/arch/arm/mm/cache-v7.S
index 06a90dc..37c8157 100644
--- a/arch/arm/mm/cache-v7.S
+++ b/arch/arm/mm/cache-v7.S
@@ -91,7 +91,11 @@
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