linux-kernel - Re: [PATCH] firmware: qcom: scm: fix bogus irq error at probe

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Date:   Fri, 10 Mar 2023 08:28:43 +0530
From:   Sibi Sankar <quic_sibis@...cinc.com>
To:     Johan Hovold <johan+linaro@...nel.org>,
        Bjorn Andersson <andersson@...nel.org>
CC:     Andy Gross <agross@...nel.org>,
        Konrad Dybcio <konrad.dybcio@...aro.org>,
        <linux-arm-msm@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
        "Guru Das Srinagesh" <quic_gurus@...cinc.com>
Subject: Re: [PATCH] firmware: qcom: scm: fix bogus irq error at probe

Hey Johan,

Thanks for the fix.

On 3/9/23 16:42, Johan Hovold wrote:
> A recent commit added support for an optional interrupt which is only
> available on some platforms.
> 
> Stop spamming the logs with bogus error messages on platforms that do
> not use this new optional resource:
> 
> 	qcom_scm firmware:scm: error -ENXIO: IRQ index 0 not found
> 
> Fixes: 6bf325992236 ("firmware: qcom: scm: Add wait-queue handling logic")
> Cc: Guru Das Srinagesh <quic_gurus@...cinc.com>
> Cc: Sibi Sankar <quic_sibis@...cinc.com>
> Signed-off-by: Johan Hovold <johan+linaro@...nel.org>

Reviewed-by: Sibi Sankar <quic_sibis@...cinc.com>

> ---
>   drivers/firmware/qcom_scm.c | 2 +-
>   1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/drivers/firmware/qcom_scm.c b/drivers/firmware/qcom_scm.c
> index 468d4d5ab550..b1e11f85b805 100644
> --- a/drivers/firmware/qcom_scm.c
> +++ b/drivers/firmware/qcom_scm.c
> @@ -1479,7 +1479,7 @@ static int qcom_scm_probe(struct platform_device *pdev)
>   
>   	init_completion(&__scm->waitq_comp);
>   
> -	irq = platform_get_irq(pdev, 0);
> +	irq = platform_get_irq_optional(pdev, 0);
>   	if (irq < 0) {
>   		if (irq != -ENXIO)
>   			return irq;