950-0642-component-Silence-bind-error-on-EPROBE_DEFER.patch

From 8695764265eb6e749c9fdc901e98c2e7b4d2adfc Mon Sep 17 00:00:00 2001
From: James Hilliard <james.hilliard1@gmail.com>
Date: Fri, 10 Apr 2020 20:23:13 -0600
Subject: [PATCH] component: Silence bind error on -EPROBE_DEFER

If a component fails to bind due to -EPROBE_DEFER we should not log an
error as this is not a real failure.

Fixes:
vc4-drm soc:gpu: failed to bind 3f902000.hdmi (ops vc4_hdmi_ops): -517
vc4-drm soc:gpu: master bind failed: -517

Signed-off-by: James Hilliard <james.hilliard1@gmail.com>
---
 drivers/base/component.c | 8 +++++---
 1 file changed, 5 insertions(+), 3 deletions(-)

--- a/drivers/base/component.c
+++ b/drivers/base/component.c
@@ -257,7 +257,8 @@ static int try_to_bring_up_master(struct
 	ret = master->ops->bind(master->dev);
 	if (ret < 0) {
 		devres_release_group(master->dev, NULL);
-		dev_info(master->dev, "master bind failed: %d\n", ret);
+		if (ret != -EPROBE_DEFER)
+			dev_info(master->dev, "master bind failed: %d\n", ret);
 		return ret;
 	}
 
@@ -611,8 +612,9 @@ static int component_bind(struct compone
 		devres_release_group(component->dev, NULL);
 		devres_release_group(master->dev, NULL);
 
-		dev_err(master->dev, "failed to bind %s (ops %ps): %d\n",
-			dev_name(component->dev), component->ops, ret);
+		if (ret != -EPROBE_DEFER)
+			dev_err(master->dev, "failed to bind %s (ops %ps): %d\n",
+				dev_name(component->dev), component->ops, ret);
 	}
 
 	return ret;