[PATCH 4.19 100/243] usb: dwc3: dont log probe deferrals; but do log other error codes

Greg Kroah-Hartman
2019-12-11T15:20:13Z

From: Brian Norris <briannorris@chromium.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@chromium.org>
Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>
Signed-off-by: Sasha Levin <sashal@kernel.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 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;
}

--
2.20.1