Messages in this thread Patch in this message | | | From | Krzysztof Kozlowski <> | Subject | [TRIVIAL PATCH 1/2] regulator: s5m8767: Define symbol for buck control mask | Date | Tue, 10 Dec 2013 10:09:42 +0100 |
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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 <k.kozlowski@samsung.com> Cc: Kyungmin Park <kyungmin.park@samsung.com> Cc: Marek Szyprowski <m.szyprowski@samsung.com> --- drivers/regulator/s5m8767.c | 11 ++++++----- include/linux/mfd/samsung/s5m8767.h | 3 ++- 2 files changed, 8 insertions(+), 6 deletions(-)
diff --git a/drivers/regulator/s5m8767.c b/drivers/regulator/s5m8767.c index aeb40aad0ae7..58eb7a6c45e6 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 */ -- 1.7.9.5
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