From: Krzysztof Kozlowski Date: Tue, 10 Dec 2013 09:09:42 +0000 (+0100) Subject: regulator: s5m8767: Define symbol for buck control mask X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=79b53d199b83a44811cd57091751ef122351ae85;p=GitHub%2Fexynos8895%2Fandroid_kernel_samsung_universal8895.git regulator: s5m8767: Define symbol for buck control mask Replace hard-coded value for mask used in BUCKX_CTRL registers (for BUCKX_EN field) with a symbol. This also removes two local variables. Signed-off-by: Krzysztof Kozlowski Acked-by: Lee Jones Reviewed-by: Sachin Kamat Signed-off-by: Mark Brown --- diff --git a/drivers/regulator/s5m8767.c b/drivers/regulator/s5m8767.c index cbf91e25cf7f..ef4da4442fa7 100644 --- a/drivers/regulator/s5m8767.c +++ b/drivers/regulator/s5m8767.c @@ -217,7 +217,7 @@ static int s5m8767_reg_is_enabled(struct regulator_dev *rdev) { struct s5m8767_info *s5m8767 = rdev_get_drvdata(rdev); int ret, reg; - int mask = 0xc0, enable_ctrl; + int enable_ctrl; unsigned int val; ret = s5m8767_get_register(rdev, ®, &enable_ctrl); @@ -230,27 +230,28 @@ static int s5m8767_reg_is_enabled(struct regulator_dev *rdev) if (ret) return ret; - return (val & mask) == enable_ctrl; + return (val & S5M8767_ENCTRL_MASK) == enable_ctrl; } static int s5m8767_reg_enable(struct regulator_dev *rdev) { struct s5m8767_info *s5m8767 = rdev_get_drvdata(rdev); int ret, reg; - int mask = 0xc0, enable_ctrl; + int enable_ctrl; ret = s5m8767_get_register(rdev, ®, &enable_ctrl); if (ret) return ret; - return sec_reg_update(s5m8767->iodev, reg, enable_ctrl, mask); + return sec_reg_update(s5m8767->iodev, reg, enable_ctrl, + S5M8767_ENCTRL_MASK); } static int s5m8767_reg_disable(struct regulator_dev *rdev) { struct s5m8767_info *s5m8767 = rdev_get_drvdata(rdev); int ret, reg; - int mask = 0xc0, enable_ctrl; + int mask = S5M8767_ENCTRL_MASK, enable_ctrl; ret = s5m8767_get_register(rdev, ®, &enable_ctrl); if (ret) diff --git a/include/linux/mfd/samsung/s5m8767.h b/include/linux/mfd/samsung/s5m8767.h index 306a95fc558c..9198377ee859 100644 --- a/include/linux/mfd/samsung/s5m8767.h +++ b/include/linux/mfd/samsung/s5m8767.h @@ -183,6 +183,7 @@ enum s5m8767_regulators { S5M8767_REG_MAX, }; -#define S5M8767_ENCTRL_SHIFT 6 +#define S5M8767_ENCTRL_SHIFT 6 +#define S5M8767_ENCTRL_MASK (0x3 << S5M8767_ENCTRL_SHIFT) #endif /* __LINUX_MFD_S5M8767_H */