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| author | James Morris <jmorris@namei.org> | 2011-03-08 02:55:06 +0300 |
|---|---|---|
| committer | James Morris <jmorris@namei.org> | 2011-03-08 02:55:06 +0300 |
| commit | 1cc26bada9f6807814806db2f0d78792eecdac71 (patch) | |
| tree | 5509b5139db04af6c13db0a580c84116a4a54039 /arch/arm/mm/cache-l2x0.c | |
| parent | eae61f3c829439f8f9121b5cd48a14be04df451f (diff) | |
| parent | 214d93b02c4fe93638ad268613c9702a81ed9192 (diff) | |
| download | linux-1cc26bada9f6807814806db2f0d78792eecdac71.tar.xz | |
Merge branch 'master'; commit 'v2.6.38-rc7' into next
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 170c9bb95866..f2ce38e085d2 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); } |