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

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Message-Id: <20260108103521.2139824-1-xu.yang_2@nxp.com>
Date: Thu,  8 Jan 2026 18:35:21 +0800
From: Xu Yang <xu.yang_2@....com>
To: peter.chen@...nel.org,
	gregkh@...uxfoundation.org,
	shawnguo@...nel.org,
	s.hauer@...gutronix.de,
	kernel@...gutronix.de,
	festevam@...il.com
Cc: linux-usb@...r.kernel.org,
	imx@...ts.linux.dev,
	linux-arm-kernel@...ts.infradead.org,
	linux-kernel@...r.kernel.org,
	jun.li@....com
Subject: [PATCH] usb: chipidea: ci_hdrc_imx: use "wakeup" suffix for wakeup interrupt name

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>
---
 drivers/usb/chipidea/ci_hdrc_imx.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/drivers/usb/chipidea/ci_hdrc_imx.c b/drivers/usb/chipidea/ci_hdrc_imx.c
index d4ee9e16332f..e4345e0eea59 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 +526,11 @@ 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);
 		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