diff options
| author | Quentin Schulz <quentin.schulz@theobroma-systems.com> | 2022-05-23 16:53:20 +0200 |
|---|---|---|
| committer | Alexandre Belloni <alexandre.belloni@bootlin.com> | 2022-06-24 21:24:02 +0200 |
| commit | 2023c5c8fe2e85ec7491d5a470fcca48f8144c02 (patch) | |
| tree | 622d63a98a3bf021edf33a48652b4d67a48ffdf5 /drivers/rtc/rtc-isl1208.c | |
| parent | 139682400a2ac549ed717eac3a09759a1762366d (diff) | |
| download | linux-2023c5c8fe2e85ec7491d5a470fcca48f8144c02.tar.gz | |
rtc: isl1208: do not advertise update interrupt feature if no interrupt specified
If an ISL1208 device does not have an interrupt line routed, the feature
shouldn't be advertised (it is by default in rtc core) or it'll confuse
userspace requesting that feature (such as hwclock from util-linux).
Signed-off-by: Quentin Schulz <quentin.schulz@theobroma-systems.com>
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
Link: https://lore.kernel.org/r/20220523145320.123713-1-foss+kernel@0leil.net
Diffstat (limited to 'drivers/rtc/rtc-isl1208.c')
| -rw-r--r-- | drivers/rtc/rtc-isl1208.c | 10 |
1 files changed, 7 insertions, 3 deletions
diff --git a/drivers/rtc/rtc-isl1208.c b/drivers/rtc/rtc-isl1208.c index 182dfa6055155..f448a525333e1 100644 --- a/drivers/rtc/rtc-isl1208.c +++ b/drivers/rtc/rtc-isl1208.c @@ -880,10 +880,14 @@ isl1208_probe(struct i2c_client *client, const struct i2c_device_id *id) if (rc) return rc; - if (client->irq > 0) + if (client->irq > 0) { rc = isl1208_setup_irq(client, client->irq); - if (rc) - return rc; + if (rc) + return rc; + + } else { + clear_bit(RTC_FEATURE_UPDATE_INTERRUPT, isl1208->rtc->features); + } if (evdet_irq > 0 && evdet_irq != client->irq) rc = isl1208_setup_irq(client, evdet_irq); |