linux-kernel - Re: [PATCH v4 2/2 RESEND] extcon: qcom-spmi: Switch to platform_get_irq_byname

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Date:   Wed, 28 Dec 2022 23:54:10 +0100
From:   Marijn Suijten <marijn.suijten@...ainline.org>
To:     Bryan O'Donoghue <bryan.odonoghue@...aro.org>
Cc:     cw00.choi@...sung.com, myungjoo.ham@...sung.com,
        andersson@...nel.org, robh+dt@...nel.org,
        krzysztof.kozlowski+dt@...aro.org, gregkh@...uxfoundation.org,
        agross@...nel.org, konrad.dybcio@...aro.org,
        linux-arm-msm@...r.kernel.org, linux-kernel@...r.kernel.org,
        devicetree@...r.kernel.org
Subject: Re: [PATCH v4 2/2 RESEND] extcon: qcom-spmi: Switch to
 platform_get_irq_byname_optional

On 2022-12-28 13:30:58, Bryan O'Donoghue wrote:
> Valid configurations for the extcon interrupt declarations are
> 
> - usb_id
> - usb_vbus
> - (usb_id | usb_vbus)
> 
> In the case of a standalone usb_id or usb_vbus failure to find one of the
> interrupts shouldn't generate a warning message. A warning is already in
> place if both IRQs are missing.
> 
> Switch to using platform_get_irq_byname_optional() in order to facilitate
> this behaviour.
> 
> Suggested-by: Marijn Suijten <marijn.suijten@...ainline.org>
> Signed-off-by: Bryan O'Donoghue <bryan.odonoghue@...aro.org>

Reviewed-by: Marijn Suijten <marijn.suijten@...ainline.org>

> ---
>  drivers/extcon/extcon-qcom-spmi-misc.c | 4 ++--
>  1 file changed, 2 insertions(+), 2 deletions(-)
> 
> diff --git a/drivers/extcon/extcon-qcom-spmi-misc.c b/drivers/extcon/extcon-qcom-spmi-misc.c
> index eb02cb962b5e1..f72e90ceca53d 100644
> --- a/drivers/extcon/extcon-qcom-spmi-misc.c
> +++ b/drivers/extcon/extcon-qcom-spmi-misc.c
> @@ -123,7 +123,7 @@ static int qcom_usb_extcon_probe(struct platform_device *pdev)
>  	if (ret)
>  		return ret;
>  
> -	info->id_irq = platform_get_irq_byname(pdev, "usb_id");
> +	info->id_irq = platform_get_irq_byname_optional(pdev, "usb_id");
>  	if (info->id_irq > 0) {
>  		ret = devm_request_threaded_irq(dev, info->id_irq, NULL,
>  					qcom_usb_irq_handler,
> @@ -136,7 +136,7 @@ static int qcom_usb_extcon_probe(struct platform_device *pdev)
>  		}
>  	}
>  
> -	info->vbus_irq = platform_get_irq_byname(pdev, "usb_vbus");
> +	info->vbus_irq = platform_get_irq_byname_optional(pdev, "usb_vbus");
>  	if (info->vbus_irq > 0) {
>  		ret = devm_request_threaded_irq(dev, info->vbus_irq, NULL,
>  					qcom_usb_irq_handler,
> -- 
> 2.34.1
>