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watchdog: qcom: Use platform_get_irq_optional() for bark irq
platform_get_irq() prints an error message when the interrupt
is not available. So on platforms where bark interrupt is
not specified, following error message is observed on SDM845.
[ 2.975888] qcom_wdt 17980000.watchdog: IRQ index 0 not found
This is also seen on SC7180, SM8150 SoCs as well.
Fix this by using platform_get_irq_optional() instead.
Fixes: 36375491a4
("watchdog: qcom: support pre-timeout when the bark irq is available")
Signed-off-by: Sai Prakash Ranjan <saiprakash.ranjan@codeaurora.org>
Reviewed-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Reviewed-by: Guenter Roeck <linux@roeck-us.net>
Reviewed-by: Stephen Boyd <swboyd@chromium.org>
Link: https://lore.kernel.org/r/20191213064934.4112-1-saiprakash.ranjan@codeaurora.org
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Wim Van Sebroeck <wim@linux-watchdog.org>
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1 changed files with 1 additions and 1 deletions
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@ -246,7 +246,7 @@ static int qcom_wdt_probe(struct platform_device *pdev)
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}
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}
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/* check if there is pretimeout support */
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/* check if there is pretimeout support */
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irq = platform_get_irq(pdev, 0);
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irq = platform_get_irq_optional(pdev, 0);
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if (irq > 0) {
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if (irq > 0) {
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ret = devm_request_irq(dev, irq, qcom_wdt_isr,
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ret = devm_request_irq(dev, irq, qcom_wdt_isr,
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IRQF_TRIGGER_RISING,
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IRQF_TRIGGER_RISING,
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