linux-kernel - Re: [PATCH v2] usb: chipidea: ci_hdrc_imx: use "wakeup" suffix for wakeup interrupt name

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Message-ID: <20260114005052.GA2295746@nchen-desktop>
Date: Wed, 14 Jan 2026 08:50:52 +0800
From: "Peter Chen (CIX)" <peter.chen@...nel.org>
To: Xu Yang <xu.yang_2@....com>
Cc: gregkh@...uxfoundation.org, shawnguo@...nel.org, s.hauer@...gutronix.de,
	kernel@...gutronix.de, festevam@...il.com,
	linux-usb@...r.kernel.org, imx@...ts.linux.dev,
	linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
	jun.li@....com
Subject: Re: [PATCH v2] usb: chipidea: ci_hdrc_imx: use "wakeup" suffix for
 wakeup interrupt name

On 26-01-12 19:04:08, Xu Yang wrote:
> Currently the wakeup and controller interrupt name are same. It's not
> easy to find the correct one in /proc/interrupt at the first glance.
> Rename the wakeup interrupt name for better distinction.
> 
> Signed-off-by: Xu Yang <xu.yang_2@....com>

Acked-by: Peter Chen <peter.chen@...nel.org>

Peter
> 
> ---
> Changs in v2:
>  - check return value
> ---
>  drivers/usb/chipidea/ci_hdrc_imx.c | 9 ++++++++-
>  1 file changed, 8 insertions(+), 1 deletion(-)
> 
> diff --git a/drivers/usb/chipidea/ci_hdrc_imx.c b/drivers/usb/chipidea/ci_hdrc_imx.c
> index d4ee9e16332f..56d2ba824a0b 100644
> --- a/drivers/usb/chipidea/ci_hdrc_imx.c
> +++ b/drivers/usb/chipidea/ci_hdrc_imx.c
> @@ -385,6 +385,7 @@ static int ci_hdrc_imx_probe(struct platform_device *pdev)
>  	const struct ci_hdrc_imx_platform_flag *imx_platform_flag;
>  	struct device_node *np = pdev->dev.of_node;
>  	struct device *dev = &pdev->dev;
> +	const char *irq_name;
>  
>  	imx_platform_flag = of_device_get_match_data(&pdev->dev);
>  
> @@ -525,10 +526,16 @@ static int ci_hdrc_imx_probe(struct platform_device *pdev)
>  
>  	data->wakeup_irq = platform_get_irq_optional(pdev, 1);
>  	if (data->wakeup_irq > 0) {
> +		irq_name = devm_kasprintf(dev, GFP_KERNEL, "%s:wakeup", pdata.name);
> +		if (!irq_name) {
> +			dev_err_probe(dev, -ENOMEM, "failed to create irq_name\n");
> +			goto err_clk;
> +		}
> +
>  		ret = devm_request_threaded_irq(dev, data->wakeup_irq,
>  						NULL, ci_wakeup_irq_handler,
>  						IRQF_ONESHOT | IRQF_NO_AUTOEN,
> -						pdata.name, data);
> +						irq_name, data);
>  		if (ret)
>  			goto err_clk;
>  	}
> -- 
> 2.34.1
> 

-- 

Best regards,
Peter