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| author | Alexandre Belloni <alexandre.belloni@bootlin.com> | 2019-08-19 20:26:48 +0200 |
|---|---|---|
| committer | Alexandre Belloni <alexandre.belloni@bootlin.com> | 2019-08-20 21:42:03 +0200 |
| commit | 5bdf40dab622d301757f81325d9b80902b3bbae7 (patch) | |
| tree | e2531692c8883735cfbb11709917a2ce521e1dac /drivers/rtc/rtc-pcf2123.c | |
| parent | faac910201e9beb66530bd8c3fe8a02d907ee2a9 (diff) | |
| download | lwn-5bdf40dab622d301757f81325d9b80902b3bbae7.tar.gz lwn-5bdf40dab622d301757f81325d9b80902b3bbae7.zip | |
rtc: pcf2123: don't use weekday alarm
The week day may not be set properly by userspace. This would result is
missed alarms. Disable alarm matching on weekday.
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
Link: https://lore.kernel.org/r/20190819182656.29744-1-alexandre.belloni@bootlin.com
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
Diffstat (limited to 'drivers/rtc/rtc-pcf2123.c')
| -rw-r--r-- | drivers/rtc/rtc-pcf2123.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/rtc/rtc-pcf2123.c b/drivers/rtc/rtc-pcf2123.c index fb542a930bf0..5f604d83289c 100644 --- a/drivers/rtc/rtc-pcf2123.c +++ b/drivers/rtc/rtc-pcf2123.c @@ -82,7 +82,7 @@ #define OSC_HAS_STOPPED BIT(7) /* Clock has been stopped */ /* PCF2123_REG_ALRM_XX BITS */ -#define ALRM_ENABLE BIT(7) /* MN, HR, DM, or DW alarm enable */ +#define ALRM_DISABLE BIT(7) /* MN, HR, DM, or DW alarm matching */ /* PCF2123_REG_TMR_CLKOUT BITS */ #define CD_TMR_4096KHZ (0) /* 4096 KHz countdown timer */ @@ -288,7 +288,7 @@ static int pcf2123_rtc_set_alarm(struct device *dev, struct rtc_wkalrm *alm) txbuf[0] = bin2bcd(alm->time.tm_min & 0x7F); txbuf[1] = bin2bcd(alm->time.tm_hour & 0x3F); txbuf[2] = bin2bcd(alm->time.tm_mday & 0x3F); - txbuf[3] = bin2bcd(alm->time.tm_wday & 0x07); + txbuf[3] = ALRM_DISABLE; ret = regmap_bulk_write(pdata->map, PCF2123_REG_ALRM_MN, txbuf, sizeof(txbuf)); |