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SubjectRe: [PATCH] watchdog: qcom: Use platform_get_irq_optional() for bark irq
On Thu 12 Dec 22:49 PST 2019, Sai Prakash Ranjan wrote:

> 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: 36375491a4395654 ("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>

> ---
> drivers/watchdog/qcom-wdt.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/watchdog/qcom-wdt.c b/drivers/watchdog/qcom-wdt.c
> index a494543d3ae1..eb47fe5ed280 100644
> --- a/drivers/watchdog/qcom-wdt.c
> +++ b/drivers/watchdog/qcom-wdt.c
> @@ -246,7 +246,7 @@ static int qcom_wdt_probe(struct platform_device *pdev)
> }
>
> /* check if there is pretimeout support */
> - irq = platform_get_irq(pdev, 0);
> + irq = platform_get_irq_optional(pdev, 0);
> if (irq > 0) {
> ret = devm_request_irq(dev, irq, qcom_wdt_isr,
> IRQF_TRIGGER_RISING,
> --
> QUALCOMM INDIA, on behalf of Qualcomm Innovation Center, Inc. is a member
> of Code Aurora Forum, hosted by The Linux Foundation

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