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rtc: m41t80: add the use of 'BIT' macro

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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>
This commit is contained in:
Mylène Josserand 2016-03-29 08:56:01 +02:00 committed by Alexandre Belloni
parent f2b84ee88d
commit 54339f3b31
1 changed files with 14 additions and 14 deletions
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28
drivers/rtc/rtc-m41t80.c
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@ -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_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 (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_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[] = {