diff options
| author |   Alexandre Belloni <alexandre.belloni@bootlin.com> | 2021-10-18 17:23:36 +0200 |
|---|---|---|
| committer | Alexandre Belloni <alexandre.belloni@bootlin.com> | 2021-10-18 17:25:52 +0200 |
| commit | adb17a053e460f20740d713c4843d6966e66b1b1 (patch) | |
| tree | 1009fe609d9a5eed07c5d4afd780926f97b448cf /drivers/rtc | |
| parent | rtc: pcf8523: avoid reading BLF in pcf8523_rtc_read_time (diff) | |
| download | linux-dev-adb17a053e460f20740d713c4843d6966e66b1b1.tar.xz linux-dev-adb17a053e460f20740d713c4843d6966e66b1b1.zip | |
rtc: expose RTC_FEATURE_UPDATE_INTERRUPT
Set RTC_FEATURE_UPDATE_INTERRUPT by default and clear it when it is not
supported.
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
Link: https://lore.kernel.org/r/20211018152337.78732-1-alexandre.belloni@bootlin.com
Diffstat (limited to 'drivers/rtc')
| -rw-r--r-- | drivers/rtc/class.c | 4 | ||||
| -rw-r--r-- | drivers/rtc/interface.c | 3 |
2 files changed, 6 insertions, 1 deletions
diff --git a/drivers/rtc/class.c b/drivers/rtc/class.c index 2e0cbc190a8a..4b460c61f1d8 100644 --- a/drivers/rtc/class.c +++ b/drivers/rtc/class.c @@ -232,6 +232,7 @@ static struct rtc_device *rtc_allocate_device(void) rtc->pie_enabled = 0; set_bit(RTC_FEATURE_ALARM, rtc->features); + set_bit(RTC_FEATURE_UPDATE_INTERRUPT, rtc->features); return rtc; } @@ -389,6 +390,9 @@ int __devm_rtc_register_device(struct module *owner, struct rtc_device *rtc) if (!rtc->ops->set_alarm) clear_bit(RTC_FEATURE_ALARM, rtc->features); + if (rtc->uie_unsupported) + clear_bit(RTC_FEATURE_UPDATE_INTERRUPT, rtc->features); + if (rtc->ops->set_offset) set_bit(RTC_FEATURE_CORRECTION, rtc->features); diff --git a/drivers/rtc/interface.c b/drivers/rtc/interface.c index 9a2bd4947007..d005623e6eb3 100644 --- a/drivers/rtc/interface.c +++ b/drivers/rtc/interface.c @@ -561,7 +561,8 @@ int rtc_update_irq_enable(struct rtc_device *rtc, unsigned int enabled) if (rtc->uie_rtctimer.enabled == enabled) goto out; - if (rtc->uie_unsupported || !test_bit(RTC_FEATURE_ALARM, rtc->features)) { + if (!test_bit(RTC_FEATURE_UPDATE_INTERRUPT, rtc->features) || + !test_bit(RTC_FEATURE_ALARM, rtc->features)) { mutex_unlock(&rtc->ops_lock); #ifdef CONFIG_RTC_INTF_DEV_UIE_EMUL return rtc_dev_update_irq_enable_emul(rtc, enabled); |