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

diff --git a/drivers/usb/dwc3/core.c b/drivers/usb/dwc3/core.c
index 0807353..6acadd6 100644 (file)
--- a/drivers/usb/dwc3/core.c
+++ b/drivers/usb/dwc3/core.c
@@ -1486,7 +1486,8 @@ 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;
        }