From: zhuguangqing83@gmail.com
To: Alessandro Zummo <a.zummo@towertech.it>,
Alexandre Belloni <alexandre.belloni@bootlin.com>,
Chanwoo Choi <cw00.choi@samsung.com>,
Krzysztof Kozlowski <krzysztof.kozlowski@canonical.com>,
Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com>
Cc: linux-rtc@vger.kernel.org, linux-kernel@vger.kernel.org,
linux-samsung-soc@vger.kernel.org,
Guangqing Zhu <zhuguangqing83@gmail.com>
Subject: [PATCH] rtc: Fix missing IRQF_ONESHOT as only threaded handler
Date: Fri, 16 Apr 2021 10:19:49 +0800 [thread overview]
Message-ID: <20210416021949.1569-1-zhuguangqing83@gmail.com> (raw)
From: Guangqing Zhu <zhuguangqing83@gmail.com>
Coccinelle noticed:
1. drivers/rtc/rtc-s5m.c:810:7-32: ERROR: Threaded IRQ with no primary
handler requested without IRQF_ONESHOT
2. drivers/rtc/rtc-rk808.c:441:7-32: ERROR: Threaded IRQ with no primary
handler requested without IRQF_ONESHOT
3. drivers/rtc/rtc-max77686.c:779:7-27: ERROR: Threaded IRQ with no primary
handler requested without IRQF_ONESHOT
4. drivers/rtc/rtc-tps65910.c:415:7-32: ERROR: Threaded IRQ with no primary
handler requested without IRQF_ONESHOT
5. drivers/rtc/rtc-lp8788.c:277:8-33: ERROR: Threaded IRQ with no primary
handler requested without IRQF_ONESHOT
6. drivers/rtc/rtc-max8998.c:283:7-32: ERROR: Threaded IRQ with no primary
handler requested without IRQF_ONESHOT
7. drivers/rtc/rtc-rc5t583.c:241:7-32: ERROR: Threaded IRQ with no primary
handler requested without IRQF_ONESHOT
8. drivers/rtc/rtc-max8997.c:495:7-32: ERROR: Threaded IRQ with no primary
handler requested without IRQF_ONESHOT
Signed-off-by: Guangqing Zhu <zhuguangqing83@gmail.com>
---
drivers/rtc/rtc-lp8788.c | 2 +-
drivers/rtc/rtc-max77686.c | 4 ++--
drivers/rtc/rtc-max8997.c | 2 +-
drivers/rtc/rtc-max8998.c | 3 ++-
drivers/rtc/rtc-rc5t583.c | 2 +-
drivers/rtc/rtc-rk808.c | 2 +-
drivers/rtc/rtc-s5m.c | 4 ++--
drivers/rtc/rtc-tps65910.c | 2 +-
8 files changed, 11 insertions(+), 10 deletions(-)
diff --git a/drivers/rtc/rtc-lp8788.c b/drivers/rtc/rtc-lp8788.c
index c0b8fbce1082..ebb717ae6c8b 100644
--- a/drivers/rtc/rtc-lp8788.c
+++ b/drivers/rtc/rtc-lp8788.c
@@ -276,7 +276,7 @@ static int lp8788_alarm_irq_register(struct platform_device *pdev,
return devm_request_threaded_irq(&pdev->dev, rtc->irq, NULL,
lp8788_alarm_irq_handler,
- 0, LP8788_ALM_IRQ, rtc);
+ IRQF_ONESHOT, LP8788_ALM_IRQ, rtc);
}
static int lp8788_rtc_probe(struct platform_device *pdev)
diff --git a/drivers/rtc/rtc-max77686.c b/drivers/rtc/rtc-max77686.c
index d51cc12114cb..a23825ccf62a 100644
--- a/drivers/rtc/rtc-max77686.c
+++ b/drivers/rtc/rtc-max77686.c
@@ -776,8 +776,8 @@ static int max77686_rtc_probe(struct platform_device *pdev)
goto err_rtc;
}
- ret = request_threaded_irq(info->virq, NULL, max77686_rtc_alarm_irq, 0,
- "rtc-alarm1", info);
+ ret = request_threaded_irq(info->virq, NULL, max77686_rtc_alarm_irq,
+ IRQF_ONESHOT, "rtc-alarm1", info);
if (ret < 0) {
dev_err(&pdev->dev, "Failed to request alarm IRQ: %d: %d\n",
info->virq, ret);
diff --git a/drivers/rtc/rtc-max8997.c b/drivers/rtc/rtc-max8997.c
index 20e50d9fdf88..15843ed12e36 100644
--- a/drivers/rtc/rtc-max8997.c
+++ b/drivers/rtc/rtc-max8997.c
@@ -493,7 +493,7 @@ static int max8997_rtc_probe(struct platform_device *pdev)
info->virq = virq;
ret = devm_request_threaded_irq(&pdev->dev, virq, NULL,
- max8997_rtc_alarm_irq, 0,
+ max8997_rtc_alarm_irq, IRQF_ONESHOT,
"rtc-alarm0", info);
if (ret < 0)
dev_err(&pdev->dev, "Failed to request alarm IRQ: %d: %d\n",
diff --git a/drivers/rtc/rtc-max8998.c b/drivers/rtc/rtc-max8998.c
index c873b4509b3c..28c5b367f633 100644
--- a/drivers/rtc/rtc-max8998.c
+++ b/drivers/rtc/rtc-max8998.c
@@ -281,7 +281,8 @@ static int max8998_rtc_probe(struct platform_device *pdev)
}
ret = devm_request_threaded_irq(&pdev->dev, info->irq, NULL,
- max8998_rtc_alarm_irq, 0, "rtc-alarm0", info);
+ max8998_rtc_alarm_irq, IRQF_ONESHOT,
+ "rtc-alarm0", info);
if (ret < 0)
dev_err(&pdev->dev, "Failed to request alarm IRQ: %d: %d\n",
diff --git a/drivers/rtc/rtc-rc5t583.c b/drivers/rtc/rtc-rc5t583.c
index 18684a7026c4..d9f4e0d4d943 100644
--- a/drivers/rtc/rtc-rc5t583.c
+++ b/drivers/rtc/rtc-rc5t583.c
@@ -239,7 +239,7 @@ static int rc5t583_rtc_probe(struct platform_device *pdev)
irq += RC5T583_IRQ_YALE;
ret = devm_request_threaded_irq(&pdev->dev, irq, NULL,
- rc5t583_rtc_interrupt, IRQF_TRIGGER_LOW,
+ rc5t583_rtc_interrupt, IRQF_TRIGGER_LOW | IRQF_ONESHOT,
"rtc-rc5t583", &pdev->dev);
if (ret < 0) {
dev_err(&pdev->dev, "IRQ is not free.\n");
diff --git a/drivers/rtc/rtc-rk808.c b/drivers/rtc/rtc-rk808.c
index e920da8c08da..753583cff5d4 100644
--- a/drivers/rtc/rtc-rk808.c
+++ b/drivers/rtc/rtc-rk808.c
@@ -439,7 +439,7 @@ static int rk808_rtc_probe(struct platform_device *pdev)
/* request alarm irq of rk808 */
ret = devm_request_threaded_irq(&pdev->dev, rk808_rtc->irq, NULL,
- rk808_alarm_irq, 0,
+ rk808_alarm_irq, IRQF_ONESHOT,
"RTC alarm", rk808_rtc);
if (ret) {
dev_err(&pdev->dev, "Failed to request alarm IRQ %d: %d\n",
diff --git a/drivers/rtc/rtc-s5m.c b/drivers/rtc/rtc-s5m.c
index 80b66f16db89..56e82987b4a2 100644
--- a/drivers/rtc/rtc-s5m.c
+++ b/drivers/rtc/rtc-s5m.c
@@ -808,8 +808,8 @@ static int s5m_rtc_probe(struct platform_device *pdev)
}
ret = devm_request_threaded_irq(&pdev->dev, info->irq, NULL,
- s5m_rtc_alarm_irq, 0, "rtc-alarm0",
- info);
+ s5m_rtc_alarm_irq, IRQF_ONESHOT,
+ "rtc-alarm0", info);
if (ret < 0) {
dev_err(&pdev->dev, "Failed to request alarm IRQ: %d: %d\n",
info->irq, ret);
diff --git a/drivers/rtc/rtc-tps65910.c b/drivers/rtc/rtc-tps65910.c
index bc89c62ccb9b..6ab67820d77c 100644
--- a/drivers/rtc/rtc-tps65910.c
+++ b/drivers/rtc/rtc-tps65910.c
@@ -413,7 +413,7 @@ static int tps65910_rtc_probe(struct platform_device *pdev)
}
ret = devm_request_threaded_irq(&pdev->dev, irq, NULL,
- tps65910_rtc_interrupt, IRQF_TRIGGER_LOW,
+ tps65910_rtc_interrupt, IRQF_TRIGGER_LOW | IRQF_ONESHOT,
dev_name(&pdev->dev), &pdev->dev);
if (ret < 0)
irq = -1;
--
2.17.1
next reply other threads:[~2021-04-16 2:19 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-04-16 2:19 zhuguangqing83 [this message]
2021-04-16 8:44 ` [PATCH] rtc: Fix missing IRQF_ONESHOT as only threaded handler Krzysztof Kozlowski
2021-04-16 9:13 ` Krzysztof Kozlowski
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