usb: dwc3: core: Add error log when core soft reset failed

DWC3 controller soft reset is important operation for USB functionality.
In case when it fails, currently there is no failure log. Hence add
error log when core soft reset failed.

Signed-off-by: Mayank Rana <quic_mrana@quicinc.com>
Link: https://lore.kernel.org/r/1652897572-14461-1-git-send-email-quic_mrana@quicinc.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/drivers/usb/dwc3/core.c b/drivers/usb/dwc3/core.c
index c78205c5e19f66ada20bfb6001b85ce1231dd398..e027c0420dc301922d7c2b47bd7df02eb953639b 100644 (file)
--- a/drivers/usb/dwc3/core.c
+++ b/drivers/usb/dwc3/core.c
@@ -298,6 +298,7 @@ int dwc3_core_soft_reset(struct dwc3 *dwc)
                        udelay(1);
        } while (--retries);
 
+       dev_warn(dwc->dev, "DWC3 controller soft reset failed.\n");
        return -ETIMEDOUT;
 
 done: