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    Subject[PATCH 3.13.y-ckt 73/86] wm831x_power: Use IRQF_ONESHOT to request threaded IRQs
    Date
    3.13.11-ckt31 -stable review patch.  If anyone has any objections, please let me know.

    ------------------

    From: Valentin Rothberg <valentinrothberg@gmail.com>

    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: Kamal Mostafa <kamal@canonical.com>
    ---
    drivers/power/wm831x_power.c | 6 +++---
    1 file changed, 3 insertions(+), 3 deletions(-)

    diff --git a/drivers/power/wm831x_power.c b/drivers/power/wm831x_power.c
    index 3bed2f5..3ccadf6 100644
    --- a/drivers/power/wm831x_power.c
    +++ b/drivers/power/wm831x_power.c
    @@ -567,7 +567,7 @@ static int wm831x_power_probe(struct platform_device *pdev)

    irq = wm831x_irq(wm831x, 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",
    @@ -577,7 +577,7 @@ static int wm831x_power_probe(struct platform_device *pdev)

    irq = wm831x_irq(wm831x, 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",
    @@ -590,7 +590,7 @@ static int wm831x_power_probe(struct platform_device *pdev)
    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) {
    --
    1.9.1


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