* [PATCH] usb: dwc3: core: Add error log when core soft reset failed
@ 2022-05-18 18:12 Mayank Rana
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From: Mayank Rana @ 2022-05-18 18:12 UTC (permalink / raw)
To: peter.chen, balbi, gregkh
Cc: linux-kernel, linux-usb, Thinh.Nguyen, quic_wcheng, quic_jackp,
Mayank Rana
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>
---
drivers/usb/dwc3/core.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/drivers/usb/dwc3/core.c b/drivers/usb/dwc3/core.c
index d28cd1a..8b87ff6 100644
--- a/drivers/usb/dwc3/core.c
+++ b/drivers/usb/dwc3/core.c
@@ -297,6 +297,7 @@ 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:
--
2.7.4
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2022-05-18 18:12 [PATCH] usb: dwc3: core: Add error log when core soft reset failed Mayank Rana
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