udc: s3c-hsudc: 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.

Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com>
Reviewed-by: Krzysztof Kozlowski <krzk@kernel.org>
Link: https://lore.kernel.org/r/20200228092808.4580-1-m.szyprowski@samsung.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/drivers/usb/gadget/udc/s3c-hsudc.c b/drivers/usb/gadget/udc/s3c-hsudc.c
index 21252fb..aaca1b0 100644 (file)
--- a/drivers/usb/gadget/udc/s3c-hsudc.c
+++ b/drivers/usb/gadget/udc/s3c-hsudc.c
@@ -1285,7 +1285,8 @@ static int s3c_hsudc_probe(struct platform_device *pdev)
        ret = devm_regulator_bulk_get(dev, ARRAY_SIZE(hsudc->supplies),
                                 hsudc->supplies);
        if (ret != 0) {
-               dev_err(dev, "failed to request supplies: %d\n", ret);
+               if (ret != -EPROBE_DEFER)
+                       dev_err(dev, "failed to request supplies: %d\n", ret);
                goto err_supplies;
        }