linux-kernel - [PATCH] usb: chipidea: imx: avoid EPROBE

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Message-Id: <1453942545-3081-1-git-send-email-stefan@agner.ch>
Date:	Wed, 27 Jan 2016 16:55:45 -0800
From:	Stefan Agner <stefan@...er.ch>
To:	Peter.Chen@....com
Cc:	gregkh@...uxfoundation.org, linux-usb@...r.kernel.org,
	linux-kernel@...r.kernel.org, Stefan Agner <stefan@...er.ch>
Subject: [PATCH] usb: chipidea: imx: avoid EPROBE_DEFER printed as error

Avoid printing an error if adding the device failes with return
value EPROBE_DEFFER. This may happen e.g. due to missing GPIO for
the vbus-supply regulator.

Signed-off-by: Stefan Agner <stefan@...er.ch>
---
 drivers/usb/chipidea/ci_hdrc_imx.c | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/drivers/usb/chipidea/ci_hdrc_imx.c b/drivers/usb/chipidea/ci_hdrc_imx.c
index f14f4ab..0d66f1f 100644
--- a/drivers/usb/chipidea/ci_hdrc_imx.c
+++ b/drivers/usb/chipidea/ci_hdrc_imx.c
@@ -302,9 +302,9 @@ static int ci_hdrc_imx_probe(struct platform_device *pdev)
 				&pdata);
 	if (IS_ERR(data->ci_pdev)) {
 		ret = PTR_ERR(data->ci_pdev);
-		dev_err(&pdev->dev,
-			"Can't register ci_hdrc platform device, err=%d\n",
-			ret);
+		if (ret != -EPROBE_DEFER)
+			dev_err(&pdev->dev,
+				"ci_hdrc_add_device failed, err=%d\n", ret);
 		goto err_clk;
 	}
 
-- 
2.7.0