linux-kernel - [PATCH] usb: dwc3: don't log probe deferrals; but do log other error codes

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Date:   Wed,  7 Nov 2018 12:40:29 -0800
From:   Brian Norris <briannorris@...omium.org>
To:     Felipe Balbi <balbi@...nel.org>
Cc:     linux-usb@...r.kernel.org, <linux-kernel@...r.kernel.org>,
        Brian Norris <briannorris@...omium.org>
Subject: [PATCH] usb: dwc3: don't log probe deferrals; but do log other error codes

It's not very useful to repeat a bunch of probe deferral errors. And
it's also not very useful to log "failed" without telling the error
code.

Signed-off-by: Brian Norris <briannorris@...omium.org>
---
 drivers/usb/dwc3/core.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/drivers/usb/dwc3/core.c b/drivers/usb/dwc3/core.c
index 88c80fcc39f5..1ef346ba6a02 100644
--- a/drivers/usb/dwc3/core.c
+++ b/drivers/usb/dwc3/core.c
@@ -1482,7 +1482,8 @@ static int dwc3_probe(struct platform_device *pdev)
 
 	ret = dwc3_core_init(dwc);
 	if (ret) {
-		dev_err(dev, "failed to initialize core\n");
+		if (ret != -EPROBE_DEFER)
+			dev_err(dev, "failed to initialize core: %d\n", ret);
 		goto err4;
 	}
 
-- 
2.19.1.930.g4563a0d9d0-goog