From: Brian Norris <briannorris@chromium.org>
Date: Wed, 7 Nov 2018 20:40:29 +0000 (-0800)
Subject: usb: dwc3: don't log probe deferrals; but do log other error codes
X-Git-Tag: v4.19.89~154
X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=497411c5a43f5778fbd17b12f1c290f3e6bf009c;p=thirdparty%2Fkernel%2Fstable.git

usb: dwc3: don't log probe deferrals; but do log other error codes

[ Upstream commit 408d3ba006af57380fa48858b39f72fde6405031 ]

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@chromium.org>
Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---

diff --git a/drivers/usb/dwc3/core.c b/drivers/usb/dwc3/core.c
index aca7e7fa5e47d..f52fcbc5c9718 100644
--- a/drivers/usb/dwc3/core.c
+++ b/drivers/usb/dwc3/core.c
@@ -1481,7 +1481,8 @@ 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;
 	}