[PATCH] rtc: amlogic-a4: clear unsupported update interrupt feature
Xianwei Zhao via B4 Relay <[email protected]>
| Newsgroups | org.infradead.lists.linux-amlogic,org.kernel.feeds.b4-sent,org.kernel.vger.linux-kernel,org.kernel.vger.linux-rtc |
|---|---|
| Message-ID | <[email protected]> |
From: Xianwei Zhao <[email protected]> The Amlogic A4 RTC does not support update interrupt. Clear RTC_FEATURE_UPDATE_INTERRUPT before registering the RTC device to prevent userspace from enabling an unsupported RTC UIE function. Signed-off-by: Xianwei Zhao <[email protected]> --- Clear RTC_FEATURE_UPDATE_INTERRUPT before registering the RTC device. --- drivers/rtc/rtc-amlogic-a4.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/rtc/rtc-amlogic-a4.c b/drivers/rtc/rtc-amlogic-a4.c index 50938c35af36..116cf095a9e9 100644 --- a/drivers/rtc/rtc-amlogic-a4.c +++ b/drivers/rtc/rtc-amlogic-a4.c @@ -379,6 +379,7 @@ static int aml_rtc_probe(struct platform_device *pdev) rtc->rtc_dev->ops = &aml_rtc_ops; rtc->rtc_dev->range_min = 0; rtc->rtc_dev->range_max = U32_MAX; + clear_bit(RTC_FEATURE_UPDATE_INTERRUPT, rtc->rtc_dev->features); return devm_rtc_register_device(rtc->rtc_dev); } --- base-commit: 851d961ff248218f681c53cf0f7f08cf8201a117 change-id: 20260624-rtc-feature-03ce3f3843a9 Best regards, -- Xianwei Zhao <[email protected]> _______________________________________________ linux-amlogic mailing list [email protected] http://lists.infradead.org/mailman/listinfo/linux-amlogic