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

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Message-ID: <20230309175711.GA26431@quicinc.com>
Date:   Thu, 9 Mar 2023 09:57:11 -0800
From:   Guru Das Srinagesh <quic_gurus@...cinc.com>
To:     Johan Hovold <johan+linaro@...nel.org>
CC:     Bjorn Andersson <andersson@...nel.org>,
        Andy Gross <agross@...nel.org>,
        Konrad Dybcio <konrad.dybcio@...aro.org>,
        <linux-arm-msm@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
        Sibi Sankar <quic_sibis@...cinc.com>
Subject: Re: [PATCH] firmware: qcom: scm: fix bogus irq error at probe

On Mar 09 2023 12:12, 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>

Acked-by: Guru Das Srinagesh <quic_gurus@...cinc.com>

Thanks for catching this!

> ---
>  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;
> -- 
> 2.39.2
>