From: Vineet Gupta Date: Thu, 18 Sep 2014 19:58:24 +0000 (+0530) Subject: ARC: Update comments about uncached address space X-Git-Tag: firefly_0821_release~176^2~2987^2~10 X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=c4aa49df4dca6d41d3a7488cf582a0ab778ad06d;p=firefly-linux-kernel-4.4.55.git ARC: Update comments about uncached address space Suggested-by: Noam Camus Signed-off-by: Vineet Gupta --- diff --git a/arch/arc/include/asm/cache.h b/arch/arc/include/asm/cache.h index b3c750979aa1..7861255da32d 100644 --- a/arch/arc/include/asm/cache.h +++ b/arch/arc/include/asm/cache.h @@ -20,7 +20,7 @@ #define CACHE_LINE_MASK (~(L1_CACHE_BYTES - 1)) /* - * ARC700 doesn't cache any access in top 256M. + * ARC700 doesn't cache any access in top 1G (0xc000_0000 to 0xFFFF_FFFF) * Ideal for wiring memory mapped peripherals as we don't need to do * explicit uncached accesses (LD.di/ST.di) hence more portable drivers */