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| author | Russell King <rmk+kernel@arm.linux.org.uk> | 2011-03-06 08:42:55 +0000 |
|---|---|---|
| committer | Russell King <rmk+kernel@arm.linux.org.uk> | 2011-03-06 08:42:55 +0000 |
| commit | 71d8c5b11e3b5936ae6c2e0b1dd6f5c78b305b65 (patch) | |
| tree | c815434adc34cb7274ef6a0ee16cf8491fa0c03e /arch/arm/mm/cache-l2x0.c | |
| parent | 0fff6b9a4e0aba233a2ff644316d29b0cb784e33 (diff) | |
| parent | 53936c56dcaf1db818fe953ae05592a8b5e345b5 (diff) | |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/nico/orion into devel-stable
Diffstat (limited to 'arch/arm/mm/cache-l2x0.c')
| -rw-r--r-- | arch/arm/mm/cache-l2x0.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/arch/arm/mm/cache-l2x0.c b/arch/arm/mm/cache-l2x0.c index 170c9bb9586..f2ce38e085d 100644 --- a/arch/arm/mm/cache-l2x0.c +++ b/arch/arm/mm/cache-l2x0.c @@ -49,7 +49,13 @@ static inline void cache_wait(void __iomem *reg, unsigned long mask) static inline void cache_sync(void) { void __iomem *base = l2x0_base; + +#ifdef CONFIG_ARM_ERRATA_753970 + /* write to an unmmapped register */ + writel_relaxed(0, base + L2X0_DUMMY_REG); +#else writel_relaxed(0, base + L2X0_CACHE_SYNC); +#endif cache_wait(base + L2X0_CACHE_SYNC, 1); } |