diff options
| -rw-r--r-- | drivers/rtc/rtc-pcf8563.c | 13 |
1 files changed, 6 insertions, 7 deletions
diff --git a/drivers/rtc/rtc-pcf8563.c b/drivers/rtc/rtc-pcf8563.c index c2ef0a22ee94..1a865c9f1127 100644 --- a/drivers/rtc/rtc-pcf8563.c +++ b/drivers/rtc/rtc-pcf8563.c @@ -118,22 +118,21 @@ static int pcf8563_write_block_data(struct i2c_client *client, static int pcf8563_set_alarm_mode(struct i2c_client *client, bool on) { - unsigned char buf[2]; + unsigned char buf; int err; - err = pcf8563_read_block_data(client, PCF8563_REG_ST2, 1, buf + 1); + err = pcf8563_read_block_data(client, PCF8563_REG_ST2, 1, &buf); if (err < 0) return err; if (on) - buf[1] |= PCF8563_BIT_AIE; + buf |= PCF8563_BIT_AIE; else - buf[1] &= ~PCF8563_BIT_AIE; + buf &= ~PCF8563_BIT_AIE; - buf[1] &= ~PCF8563_BIT_AF; - buf[0] = PCF8563_REG_ST2; + buf &= ~PCF8563_BIT_AF; - err = pcf8563_write_block_data(client, PCF8563_REG_ST2, 1, buf + 1); + err = pcf8563_write_block_data(client, PCF8563_REG_ST2, 1, &buf); if (err < 0) { dev_err(&client->dev, "%s: write error\n", __func__); return -EIO; |