ARM: v6k: DMA_CACHE_RWFO isn't appropriate for non-v6k CPUs
Limit DMA_CACHE_RWFO to only v6k SMP CPUs - V6 CPUs aren't SMP capable,
so the read/write for ownership work-around doesn't apply to them.
Acked-by: Will Deacon <will.deacon@arm.com>
Tested-by: Sourav Poddar <sourav.poddar@ti.com>
Tested-by: Will Deacon <will.deacon@arm.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
diff --git a/arch/arm/mm/Kconfig b/arch/arm/mm/Kconfig
index 843bc8c..808b832 100644
--- a/arch/arm/mm/Kconfig
+++ b/arch/arm/mm/Kconfig
@@ -775,7 +775,7 @@
config DMA_CACHE_RWFO
bool "Enable read/write for ownership DMA cache maintenance"
- depends on (CPU_V6 || CPU_V6K) && SMP
+ depends on CPU_V6K && SMP
default y
help
The Snoop Control Unit on ARM11MPCore does not detect the