usb: chipidea: msm: Be silent on probe defer errors

If something fails in ci_hdrc_add_device() due to probe defer, we
shouldn't print an error message. Be silent in this case as we'll
try probe again later.
Acked-by: Peter Chen <peter.chen@nxp.com>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Stephen Boyd <stephen.boyd@linaro.org>
Signed-off-by: Peter Chen <peter.chen@nxp.com>

drivers/usb/chipidea/ci_hdrc_msm.c

@@ -262,8 +262,9 @@ static int ci_hdrc_msm_probe(struct platform_device *pdev)
 	plat_ci = ci_hdrc_add_device(&pdev->dev, pdev->resource,
 				     pdev->num_resources, &ci->pdata);
 	if (IS_ERR(plat_ci)) {
-		dev_err(&pdev->dev, "ci_hdrc_add_device failed!\n");
 		ret = PTR_ERR(plat_ci);
+		if (ret != -EPROBE_DEFER)
+			dev_err(&pdev->dev, "ci_hdrc_add_device failed!\n");
 		goto err_mux;
 	}