usb: gadget: tegra-xudc: Do not print errors on probe deferral

Probe deferral is an expected condition and can happen multiple times
during boot. Make sure not to output an error message in that case
because they are not useful.

Signed-off-by: Thierry Reding <treding@nvidia.com>
Signed-off-by: Felipe Balbi <balbi@kernel.org>

diff --git a/drivers/usb/gadget/udc/tegra-xudc.c b/drivers/usb/gadget/udc/tegra-xudc.c
index 606b70c2dec8863eb4cd6484c53746289e3b6ecd..580bef8eb4cbcc5403c7a5660b33eccf1772da74 100644 (file)
--- a/drivers/usb/gadget/udc/tegra-xudc.c
+++ b/drivers/usb/gadget/udc/tegra-xudc.c
@@ -3781,7 +3781,9 @@ static int tegra_xudc_probe(struct platform_device *pdev)
 
        err = devm_clk_bulk_get(&pdev->dev, xudc->soc->num_clks, xudc->clks);
        if (err) {
-               dev_err(xudc->dev, "failed to request clocks: %d\n", err);
+               if (err != -EPROBE_DEFER)
+                       dev_err(xudc->dev, "failed to request clocks: %d\n", err);
+
                return err;
        }
 
@@ -3796,7 +3798,9 @@ static int tegra_xudc_probe(struct platform_device *pdev)
        err = devm_regulator_bulk_get(&pdev->dev, xudc->soc->num_supplies,
                                      xudc->supplies);
        if (err) {
-               dev_err(xudc->dev, "failed to request regulators: %d\n", err);
+               if (err != -EPROBE_DEFER)
+                       dev_err(xudc->dev, "failed to request regulators: %d\n", err);
+
                return err;
        }