Messages in this thread Patch in this message | | | From | Quentin Schulz <> | Subject | [PATCH] rtc: isl1208: do not advertise update interrupt feature if no interrupt specified | Date | Mon, 23 May 2022 16:53:20 +0200 |
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From: Quentin Schulz <quentin.schulz@theobroma-systems.com>
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> --- drivers/rtc/rtc-isl1208.c | 10 +++++++--- 1 file 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); -- 2.36.1
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