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authorMark Brown <broonie@linaro.org>2013-12-30 13:45:00 +0000
committerMark Brown <broonie@linaro.org>2013-12-30 13:45:00 +0000
commit68e67d97e1f91ed11e041b67f3a1336f518c608f (patch)
tree1de288bc05f1cf1bfec20200a60ffe99dcce77ae /drivers/gpio/gpio-mpc8xxx.c
parent9e03d05eee4ca45ed12749ef6c26bf616262cdd2 (diff)
parent802eee95bde72fd0cd0f3a5b2098375a487d1eda (diff)
Merge tag 'v3.13-rc6' into spi-rcar
To resolve spurious merge conflicts with fixes. Linux 3.13-rc6
Diffstat (limited to 'drivers/gpio/gpio-mpc8xxx.c')
-rw-r--r--drivers/gpio/gpio-mpc8xxx.c8
1 files changed, 6 insertions, 2 deletions
diff --git a/drivers/gpio/gpio-mpc8xxx.c b/drivers/gpio/gpio-mpc8xxx.c
index 914e859e3ed..d7d6d72eba3 100644
--- a/drivers/gpio/gpio-mpc8xxx.c
+++ b/drivers/gpio/gpio-mpc8xxx.c
@@ -70,10 +70,14 @@ static int mpc8572_gpio_get(struct gpio_chip *gc, unsigned int gpio)
u32 val;
struct of_mm_gpio_chip *mm = to_of_mm_gpio_chip(gc);
struct mpc8xxx_gpio_chip *mpc8xxx_gc = to_mpc8xxx_gpio_chip(mm);
+ u32 out_mask, out_shadow;
- val = in_be32(mm->regs + GPIO_DAT) & ~in_be32(mm->regs + GPIO_DIR);
+ out_mask = in_be32(mm->regs + GPIO_DIR);
- return (val | mpc8xxx_gc->data) & mpc8xxx_gpio2mask(gpio);
+ val = in_be32(mm->regs + GPIO_DAT) & ~out_mask;
+ out_shadow = mpc8xxx_gc->data & out_mask;
+
+ return (val | out_shadow) & mpc8xxx_gpio2mask(gpio);
}
static int mpc8xxx_gpio_get(struct gpio_chip *gc, unsigned int gpio)