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| author | Hartley Sweeten <hartleys@visionengravers.com> | 2010-06-14 16:54:16 +0100 |
|---|---|---|
| committer | Russell King <rmk+kernel@arm.linux.org.uk> | 2010-06-16 22:56:06 +0100 |
| commit | a0fb007bf0c7de9ae361a9ad3821df4c69d4d2d9 (patch) | |
| tree | 036f9f1363464fcaf68a58d3ba7336d1c8bf6cf0 | |
| parent | 16bcf78f8cac9cc3057c6ce3800490cb6e684ce8 (diff) | |
| download | linux-3.10-a0fb007bf0c7de9ae361a9ad3821df4c69d4d2d9.tar.gz linux-3.10-a0fb007bf0c7de9ae361a9ad3821df4c69d4d2d9.tar.bz2 linux-3.10-a0fb007bf0c7de9ae361a9ad3821df4c69d4d2d9.zip | |
ARM: 6174/1: ep93xx: clear devcfg bits before setting them
The ep93xx core helper function ep93xx_devcfg_set_clear should mask the
clear_bits before setting the new set_bits in case the clear_bits are a
mask value that also includes the set_bits.
Signed-off-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Acked-by: Ryan Mallon <ryan@bluewatersys.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
| -rw-r--r-- | arch/arm/mach-ep93xx/core.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/arch/arm/mach-ep93xx/core.c b/arch/arm/mach-ep93xx/core.c index f4b25bf00b6..8e37a045188 100644 --- a/arch/arm/mach-ep93xx/core.c +++ b/arch/arm/mach-ep93xx/core.c @@ -216,8 +216,8 @@ void ep93xx_devcfg_set_clear(unsigned int set_bits, unsigned int clear_bits) spin_lock_irqsave(&syscon_swlock, flags); val = __raw_readl(EP93XX_SYSCON_DEVCFG); - val |= set_bits; val &= ~clear_bits; + val |= set_bits; __raw_writel(0xaa, EP93XX_SYSCON_SWLOCK); __raw_writel(val, EP93XX_SYSCON_DEVCFG); |