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authorVineet Gupta <vgupta@synopsys.com>2014-09-19 01:28:24 +0530
committerVineet Gupta <vgupta@synopsys.com>2014-10-13 14:46:16 +0530
commitc4aa49df4dca6d41d3a7488cf582a0ab778ad06d (patch)
treefc0fd2172e6df54a8f179088206fb98d48378c54 /arch/arc
parent1736a56f3d1d5765fa8953d39a900a494d7e415c (diff)
downloadlinux-stericsson-c4aa49df4dca6d41d3a7488cf582a0ab778ad06d.tar.gz
ARC: Update comments about uncached address space
Suggested-by: Noam Camus <noamc@ezchip.com> Signed-off-by: Vineet Gupta <vgupta@synopsys.com>
Diffstat (limited to 'arch/arc')
-rw-r--r--arch/arc/include/asm/cache.h2
1 files changed, 1 insertions, 1 deletions
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
*/