usb: dwc2: Silence warning about supplies during deferred probe

Don't confuse user with meaningless warning about the failure in getting
supplies in case of deferred probe.

Acked-by: Minas Harutyunyan <hminas@synopsys.com>
Reviewed-by: Krzysztof Kozlowski <krzk@kernel.org>
Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com>
Signed-off-by: Felipe Balbi <balbi@kernel.org>

diff --git a/drivers/usb/dwc2/platform.c b/drivers/usb/dwc2/platform.c
index 8368d6d..8ea4a24 100644 (file)
--- a/drivers/usb/dwc2/platform.c
+++ b/drivers/usb/dwc2/platform.c
@@ -285,7 +285,9 @@ static int dwc2_lowlevel_hw_init(struct dwc2_hsotg *hsotg)
        ret = devm_regulator_bulk_get(hsotg->dev, ARRAY_SIZE(hsotg->supplies),
                                      hsotg->supplies);
        if (ret) {
-               dev_err(hsotg->dev, "failed to request supplies: %d\n", ret);
+               if (ret != -EPROBE_DEFER)
+                       dev_err(hsotg->dev, "failed to request supplies: %d\n",
+                               ret);
                return ret;
        }
        return 0;