linux-kernel - [PATCH 4.9 040/199] usb: dwc3: dont log probe deferrals; but do log other error codes

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Message-Id: <20191219183217.148335286@linuxfoundation.org>
Date:   Thu, 19 Dec 2019 19:32:02 +0100
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     linux-kernel@...r.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        stable@...r.kernel.org, Brian Norris <briannorris@...omium.org>,
        Felipe Balbi <felipe.balbi@...ux.intel.com>,
        Sasha Levin <sashal@...nel.org>
Subject: [PATCH 4.9 040/199] usb: dwc3: dont log probe deferrals; but do log other error codes

From: Brian Norris <briannorris@...omium.org>

[ 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@...omium.org>
Signed-off-by: Felipe Balbi <felipe.balbi@...ux.intel.com>
Signed-off-by: Sasha Levin <sashal@...nel.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 7154a93f01143..30bc5996a2f23 100644
--- a/drivers/usb/dwc3/core.c
+++ b/drivers/usb/dwc3/core.c
@@ -1102,7 +1102,8 @@ 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;
 	}
 
-- 
2.20.1