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authorIngo Molnar <mingo@elte.hu>2010-09-21 13:56:43 +0200
committerIngo Molnar <mingo@elte.hu>2010-09-21 13:56:49 +0200
commitcf84fd96323633be7d437e1de4505fc82ff2c11a (patch)
tree094b7a7421945c9ea244f3605378065935f1c100 /arch/arm/plat-samsung/gpio-config.c
parent31915ab4cbf507aadab40847cf9989da5e88b090 (diff)
parentb30a3f6257ed2105259b404d419b4964e363928c (diff)
Merge commit 'v2.6.36-rc5' into sched/core
Merge reason: Pick up the latest fixes in -rc5. Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'arch/arm/plat-samsung/gpio-config.c')
-rw-r--r--arch/arm/plat-samsung/gpio-config.c7
1 files changed, 4 insertions, 3 deletions
diff --git a/arch/arm/plat-samsung/gpio-config.c b/arch/arm/plat-samsung/gpio-config.c
index 57b68a50f45..e3d41eaed1f 100644
--- a/arch/arm/plat-samsung/gpio-config.c
+++ b/arch/arm/plat-samsung/gpio-config.c
@@ -273,13 +273,13 @@ s5p_gpio_drvstr_t s5p_gpio_get_drvstr(unsigned int pin)
if (!chip)
return -EINVAL;
- off = chip->chip.base - pin;
+ off = pin - chip->chip.base;
shift = off * 2;
reg = chip->base + 0x0C;
drvstr = __raw_readl(reg);
- drvstr = 0xffff & (0x3 << shift);
drvstr = drvstr >> shift;
+ drvstr &= 0x3;
return (__force s5p_gpio_drvstr_t)drvstr;
}
@@ -296,11 +296,12 @@ int s5p_gpio_set_drvstr(unsigned int pin, s5p_gpio_drvstr_t drvstr)
if (!chip)
return -EINVAL;
- off = chip->chip.base - pin;
+ off = pin - chip->chip.base;
shift = off * 2;
reg = chip->base + 0x0C;
tmp = __raw_readl(reg);
+ tmp &= ~(0x3 << shift);
tmp |= drvstr << shift;
__raw_writel(tmp, reg);