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@amlogic.com>
Cc: Hanjie Lin <hanjie.lin@amlogic.com>
Acked-by: Neil Armstrong <narmstrong@baylibre.com>
Signed-off-by: Martin Blumenstingl <martin.blumenstingl@googlemail.com>
Link: https://lore.kernel.org/r/20200526202943.715220-2-martin.blumenstingl@googlemail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/drivers/usb/dwc3/dwc3-meson-g12a.c b/drivers/usb/dwc3/dwc3-meson-g12a.c
index bd744e82cad49f9d1648e118dd9632a2e7beac07..ce5388338389bf49719604772efebda7ad91032b 100644 (file)
--- 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);