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| author |   Mylène Josserand <mylene.josserand@free-electrons.com> | 2016-03-29 08:56:01 +0200 |
|---|---|---|
| committer |   Alexandre Belloni <alexandre.belloni@free-electrons.com> | 2016-05-20 12:33:51 +0200 |
| commit | 54339f3b311f1b2cbef7b84d6794e00e7ecb2184 (patch) | |
| tree | c588771dffa40b0ef936c28109783561eb523d24 /drivers/rtc | |
| parent | rtc: m41t80: replace i2c functions for smbus ones (diff) | |
| download | linux-dev-54339f3b311f1b2cbef7b84d6794e00e7ecb2184.tar.xz linux-dev-54339f3b311f1b2cbef7b84d6794e00e7ecb2184.zip | |
rtc: m41t80: add the use of 'BIT' macro
Replace bit shifts by BIT macro.
Signed-off-by: Mylène Josserand <mylene.josserand@free-electrons.com>
Signed-off-by: Alexandre Belloni <alexandre.belloni@free-electrons.com>
Diffstat (limited to 'drivers/rtc')
| -rw-r--r-- | drivers/rtc/rtc-m41t80.c | 30 |
1 files changed, 15 insertions, 15 deletions
diff --git a/drivers/rtc/rtc-m41t80.c b/drivers/rtc/rtc-m41t80.c index 1a769275ab9d..f991433bbe8b 100644 --- a/drivers/rtc/rtc-m41t80.c +++ b/drivers/rtc/rtc-m41t80.c @@ -52,21 +52,21 @@ #define M41T80_ALARM_REG_SIZE \ (M41T80_REG_ALARM_SEC + 1 - M41T80_REG_ALARM_MON) -#define M41T80_SEC_ST (1 << 7) /* ST: Stop Bit */ -#define M41T80_ALMON_AFE (1 << 7) /* AFE: AF Enable Bit */ -#define M41T80_ALMON_SQWE (1 << 6) /* SQWE: SQW Enable Bit */ -#define M41T80_ALHOUR_HT (1 << 6) /* HT: Halt Update Bit */ -#define M41T80_FLAGS_AF (1 << 6) /* AF: Alarm Flag Bit */ -#define M41T80_FLAGS_BATT_LOW (1 << 4) /* BL: Battery Low Bit */ -#define M41T80_WATCHDOG_RB2 (1 << 7) /* RB: Watchdog resolution */ -#define M41T80_WATCHDOG_RB1 (1 << 1) /* RB: Watchdog resolution */ -#define M41T80_WATCHDOG_RB0 (1 << 0) /* RB: Watchdog resolution */ - -#define M41T80_FEATURE_HT (1 << 0) /* Halt feature */ -#define M41T80_FEATURE_BL (1 << 1) /* Battery low indicator */ -#define M41T80_FEATURE_SQ (1 << 2) /* Squarewave feature */ -#define M41T80_FEATURE_WD (1 << 3) /* Extra watchdog resolution */ -#define M41T80_FEATURE_SQ_ALT (1 << 4) /* RSx bits are in reg 4 */ +#define M41T80_SEC_ST BIT(7) /* ST: Stop Bit */ +#define M41T80_ALMON_AFE BIT(7) /* AFE: AF Enable Bit */ +#define M41T80_ALMON_SQWE BIT(6) /* SQWE: SQW Enable Bit */ +#define M41T80_ALHOUR_HT BIT(6) /* HT: Halt Update Bit */ +#define M41T80_FLAGS_AF BIT(6) /* AF: Alarm Flag Bit */ +#define M41T80_FLAGS_BATT_LOW BIT(4) /* BL: Battery Low Bit */ +#define M41T80_WATCHDOG_RB2 BIT(7) /* RB: Watchdog resolution */ +#define M41T80_WATCHDOG_RB1 BIT(1) /* RB: Watchdog resolution */ +#define M41T80_WATCHDOG_RB0 BIT(0) /* RB: Watchdog resolution */ + +#define M41T80_FEATURE_HT BIT(0) /* Halt feature */ +#define M41T80_FEATURE_BL BIT(1) /* Battery low indicator */ +#define M41T80_FEATURE_SQ BIT(2) /* Squarewave feature */ +#define M41T80_FEATURE_WD BIT(3) /* Extra watchdog resolution */ +#define M41T80_FEATURE_SQ_ALT BIT(4) /* RSx bits are in reg 4 */ static DEFINE_MUTEX(m41t80_rtc_mutex); static const struct i2c_device_id m41t80_id[] = { |