linux-kernel - [PATCH for-5.8 1/2] usb: dwc3: meson-g12a: fix error path when fetching the reset line fails

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Date:   Tue, 26 May 2020 22:29:42 +0200
From:   Martin Blumenstingl <martin.blumenstingl@...glemail.com>
To:     balbi@...nel.org, gregkh@...uxfoundation.org,
        linux-usb@...r.kernel.org, linux-amlogic@...ts.infradead.org,
        narmstrong@...libre.com
Cc:     hanjie.lin@...ogic.com, yue.wang@...ogic.com,
        linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
        Martin Blumenstingl <martin.blumenstingl@...glemail.com>
Subject: [PATCH for-5.8 1/2] usb: dwc3: meson-g12a: fix error path when fetching the reset line fails

Disable and unprepare the clocks when devm_reset_control_get_shared()
fails. This fixes the error path as this must disable the clocks which
were previously enabled.

Fixes: 1e355f21d3fb96 ("usb: dwc3: Add Amlogic A1 DWC3 glue")
Cc: Yue Wang <yue.wang@...ogic.com>
Cc: Hanjie Lin <hanjie.lin@...ogic.com>
Signed-off-by: Martin Blumenstingl <martin.blumenstingl@...glemail.com>
---
 drivers/usb/dwc3/dwc3-meson-g12a.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/usb/dwc3/dwc3-meson-g12a.c b/drivers/usb/dwc3/dwc3-meson-g12a.c
index bd744e82cad4..ce5388338389 100644
--- a/drivers/usb/dwc3/dwc3-meson-g12a.c
+++ b/drivers/usb/dwc3/dwc3-meson-g12a.c
@@ -738,7 +738,7 @@ static int dwc3_meson_g12a_probe(struct platform_device *pdev)
 	if (IS_ERR(priv->reset)) {
 		ret = PTR_ERR(priv->reset);
 		dev_err(dev, "failed to get device reset, err=%d\n", ret);
-		return ret;
+		goto err_disable_clks;
 	}
 
 	ret = reset_control_reset(priv->reset);
-- 
2.26.2