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From: Biwen Li <biwen.li@oss.nxp.com>
To: alexandre.belloni@bootlin.com, leoyang.li@nxp.com,
	shawnguo@kernel.org, robh+dt@kernel.org, mark.rutland@arm.com
Cc: devicetree@vger.kernel.org, linux-kernel@vger.kernel.org,
	jiafei.pan@nxp.com, linux-rtc@vger.kernel.org,
	Biwen Li <biwen.li@nxp.com>
Subject: [PATCH 1/5] rtc: pcf2127: fix a bug when not specify interrupts property
Date: Tue, 15 Sep 2020 15:32:09 +0800	[thread overview]
Message-ID: <20200915073213.12779-1-biwen.li@oss.nxp.com> (raw)

From: Biwen Li <biwen.li@nxp.com>

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@nxp.com>
---
 drivers/rtc/rtc-pcf2127.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/rtc/rtc-pcf2127.c b/drivers/rtc/rtc-pcf2127.c
index ed6316992cbb..07a5630ec841 100644
--- a/drivers/rtc/rtc-pcf2127.c
+++ b/drivers/rtc/rtc-pcf2127.c
@@ -559,7 +559,7 @@ static int pcf2127_probe(struct device *dev, struct regmap *regmap,
 	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 *dev, struct regmap *regmap,
 		}
 	}
 
-	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;
 	}
-- 
2.17.1


             reply	other threads:[~2020-09-15  7:41 UTC|newest]

Thread overview: 11+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-09-15  7:32 Biwen Li [this message]
2020-09-15  7:32 ` [PATCH 2/5] arm64: dts: lx2160a-rdb: remove useless property of rtc Biwen Li
2020-09-22  3:02   ` Shawn Guo
2020-09-22  3:12     ` [EXT] " Biwen Li
2020-09-22  3:28       ` Leo Li
2020-09-22  3:31         ` Biwen Li
2020-09-22 22:28           ` Li Yang
2020-09-15  7:32 ` [PATCH 3/5] arm64: dts: ls1088a-rdb: " Biwen Li
2020-09-15  7:32 ` [PATCH 4/5] arm64: dts : ls1088a-qds: " Biwen Li
2020-09-15  7:32 ` [PATCH 5/5] arm64: dts: ls1046a-qds: " Biwen Li
2020-09-15 10:26 ` [PATCH 1/5] rtc: pcf2127: fix a bug when not specify interrupts property Alexandre Belloni

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