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authorMylène Josserand <mylene.josserand@free-electrons.com>2016-03-29 08:56:01 +0200
committerAlexandre Belloni <alexandre.belloni@free-electrons.com>2016-05-20 12:33:51 +0200
commit54339f3b311f1b2cbef7b84d6794e00e7ecb2184 (patch)
treec588771dffa40b0ef936c28109783561eb523d24
parentf2b84ee88d367dd563c25b6900da279ab2ffa3ea (diff)
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>
-rw-r--r--drivers/rtc/rtc-m41t80.c30
1 files changed, 15 insertions, 15 deletions
diff --git a/drivers/rtc/rtc-m41t80.c b/drivers/rtc/rtc-m41t80.c
index 1a76927..f991433 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[] = {