This is a note to let you know that I've just added the patch titled rtc: pcf2127: fix a bug when not specify interrupts property to the 5.9-stable tree which can be found at: http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary The filename of the patch is: rtc-pcf2127-fix-a-bug-when-not-specify-interrupts-property.patch and it can be found in the queue-5.9 subdirectory. If you, or anyone else, feels it should not be added to the stable tree, please let <stable@xxxxxxxxxxxxxxx> know about it. >From 35425bafc772ee189e3c3790d7c672b80ba65909 Mon Sep 17 00:00:00 2001 From: Biwen Li <biwen.li@xxxxxxx> Date: Tue, 15 Sep 2020 15:32:09 +0800 Subject: rtc: pcf2127: fix a bug when not specify interrupts property From: Biwen Li <biwen.li@xxxxxxx> commit 35425bafc772ee189e3c3790d7c672b80ba65909 upstream. Fix a bug when not specify interrupts property in dts as follows, rtc-pcf2127-i2c 1-0051: failed to request alarm irq rtc-pcf2127-i2c: probe of 1-0051 failed with error -22 Signed-off-by: Biwen Li <biwen.li@xxxxxxx> Signed-off-by: Alexandre Belloni <alexandre.belloni@xxxxxxxxxxx> Link: https://lore.kernel.org/r/20200915073213.12779-1-biwen.li@xxxxxxxxxxx Cc: Rasmus Villemoes <rasmus.villemoes@xxxxxxxxx> Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx> --- drivers/rtc/rtc-pcf2127.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) --- a/drivers/rtc/rtc-pcf2127.c +++ b/drivers/rtc/rtc-pcf2127.c @@ -559,7 +559,7 @@ static int pcf2127_probe(struct device * pcf2127->rtc->set_start_time = true; /* Sets actual start to 1970 */ pcf2127->rtc->uie_unsupported = 1; - if (alarm_irq >= 0) { + if (alarm_irq > 0) { ret = devm_request_threaded_irq(dev, alarm_irq, NULL, pcf2127_rtc_irq, IRQF_TRIGGER_LOW | IRQF_ONESHOT, @@ -570,7 +570,7 @@ static int pcf2127_probe(struct device * } } - if (alarm_irq >= 0 || device_property_read_bool(dev, "wakeup-source")) { + if (alarm_irq > 0 || device_property_read_bool(dev, "wakeup-source")) { device_init_wakeup(dev, true); pcf2127->rtc->ops = &pcf2127_rtc_alrm_ops; } Patches currently in stable-queue which might be from biwen.li@xxxxxxx are queue-5.9/rtc-pcf2127-fix-a-bug-when-not-specify-interrupts-property.patch