linux-kernel - [PATCH 5.4 063/110] usb: musb: jz4740: Silence error if code is -EPROBE

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Message-Id: <20200130183622.317918205@linuxfoundation.org>
Date:   Thu, 30 Jan 2020 19:38:39 +0100
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     linux-kernel@...r.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        stable@...r.kernel.org, Paul Cercueil <paul@...pouillou.net>,
        Bin Liu <b-liu@...com>, Sasha Levin <sashal@...nel.org>
Subject: [PATCH 5.4 063/110] usb: musb: jz4740: Silence error if code is -EPROBE_DEFER

From: Paul Cercueil <paul@...pouillou.net>

[ Upstream commit ce03cbcb4b4fd2a3817f32366001f1ca45d213b8 ]

Avoid printing any error message if the error code is -EPROBE_DEFER.

Signed-off-by: Paul Cercueil <paul@...pouillou.net>
Signed-off-by: Bin Liu <b-liu@...com>
Link: https://lore.kernel.org/r/20191216162432.1256-1-b-liu@ti.com
Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Signed-off-by: Sasha Levin <sashal@...nel.org>
---
 drivers/usb/musb/jz4740.c | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/drivers/usb/musb/jz4740.c b/drivers/usb/musb/jz4740.c
index 5261f8dfedecd..e3b8c84ccdb80 100644
--- a/drivers/usb/musb/jz4740.c
+++ b/drivers/usb/musb/jz4740.c
@@ -75,14 +75,17 @@ static struct musb_hdrc_platform_data jz4740_musb_platform_data = {
 static int jz4740_musb_init(struct musb *musb)
 {
 	struct device *dev = musb->controller->parent;
+	int err;
 
 	if (dev->of_node)
 		musb->xceiv = devm_usb_get_phy_by_phandle(dev, "phys", 0);
 	else
 		musb->xceiv = devm_usb_get_phy(dev, USB_PHY_TYPE_USB2);
 	if (IS_ERR(musb->xceiv)) {
-		dev_err(dev, "No transceiver configured\n");
-		return PTR_ERR(musb->xceiv);
+		err = PTR_ERR(musb->xceiv);
+		if (err != -EPROBE_DEFER)
+			dev_err(dev, "No transceiver configured: %d", err);
+		return err;
 	}
 
 	/* Silicon does not implement ConfigData register.
-- 
2.20.1