wm831x_power: Use IRQF_ONESHOT to request threaded IRQs
authorValentin Rothberg <valentinrothberg@gmail.com>
Tue, 22 Sep 2015 17:00:40 +0000 (19:00 +0200)
committerBen Hutchings <ben@decadent.org.uk>
Fri, 27 Nov 2015 12:48:19 +0000 (12:48 +0000)
commit 90adf98d9530054b8e665ba5a928de4307231d84 upstream.

Since commit 1c6c69525b40 ("genirq: Reject bogus threaded irq requests")
threaded IRQs without a primary handler need to be requested with
IRQF_ONESHOT, otherwise the request will fail.

scripts/coccinelle/misc/irqf_oneshot.cocci detected this issue.

Fixes: b5874f33bbaf ("wm831x_power: Use genirq")
Signed-off-by: Valentin Rothberg <valentinrothberg@gmail.com>
Signed-off-by: Sebastian Reichel <sre@kernel.org>
Signed-off-by: Ben Hutchings <ben@decadent.org.uk>
drivers/power/wm831x_power.c

index 6cc2ca6..cbee41c 100644 (file)
@@ -557,7 +557,7 @@ static __devinit int wm831x_power_probe(struct platform_device *pdev)
 
        irq = platform_get_irq_byname(pdev, "SYSLO");
        ret = request_threaded_irq(irq, NULL, wm831x_syslo_irq,
-                                  IRQF_TRIGGER_RISING, "System power low",
+                                  IRQF_TRIGGER_RISING | IRQF_ONESHOT, "System power low",
                                   power);
        if (ret != 0) {
                dev_err(&pdev->dev, "Failed to request SYSLO IRQ %d: %d\n",
@@ -567,7 +567,7 @@ static __devinit int wm831x_power_probe(struct platform_device *pdev)
 
        irq = platform_get_irq_byname(pdev, "PWR SRC");
        ret = request_threaded_irq(irq, NULL, wm831x_pwr_src_irq,
-                                  IRQF_TRIGGER_RISING, "Power source",
+                                  IRQF_TRIGGER_RISING | IRQF_ONESHOT, "Power source",
                                   power);
        if (ret != 0) {
                dev_err(&pdev->dev, "Failed to request PWR SRC IRQ %d: %d\n",
@@ -578,7 +578,7 @@ static __devinit int wm831x_power_probe(struct platform_device *pdev)
        for (i = 0; i < ARRAY_SIZE(wm831x_bat_irqs); i++) {
                irq = platform_get_irq_byname(pdev, wm831x_bat_irqs[i]);
                ret = request_threaded_irq(irq, NULL, wm831x_bat_irq,
-                                          IRQF_TRIGGER_RISING,
+                                          IRQF_TRIGGER_RISING | IRQF_ONESHOT,
                                           wm831x_bat_irqs[i],
                                           power);
                if (ret != 0) {