From 8910c26bf3d2289ae666294052f26f40978b76f4 Mon Sep 17 00:00:00 2001
From: Alexander Stein <alexander.stein@ew.tq-group.com>
Date: Tue, 14 Jun 2022 11:58:34 +0200
Subject: drm/bridge: ti-sn65dsi83: add more dev_err_probe
Git-commit: 03e22ba090aa42dc029c25dbd58fa4b941c87ec3
Patch-mainline: v6.0-rc1
References: jsc#PED-1166 jsc#PED-1168 jsc#PED-1170 jsc#PED-1218 jsc#PED-1220 jsc#PED-1222 jsc#PED-1223 jsc#PED-1225 jsc#PED-2849
Add more warning/debug messages during probe. E.g. a single -EPROBE_DEFER
might have several causes, these messages help finding the origin.
Signed-off-by: Alexander Stein <alexander.stein@ew.tq-group.com>
Signed-off-by: Robert Foss <robert.foss@linaro.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20220614095835.1398708-1-alexander.stein@ew.tq-group.com
Reviewed-by: Robert Foss <robert.foss@linaro.org>
Acked-by: Patrik Jakobsson <pjakobsson@suse.de>
---
drivers/gpu/drm/bridge/ti-sn65dsi83.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/drivers/gpu/drm/bridge/ti-sn65dsi83.c b/drivers/gpu/drm/bridge/ti-sn65dsi83.c
index b27c0d7c451a..a306150a8027 100644
--- a/drivers/gpu/drm/bridge/ti-sn65dsi83.c
+++ b/drivers/gpu/drm/bridge/ti-sn65dsi83.c
@@ -677,7 +677,7 @@ static int sn65dsi83_probe(struct i2c_client *client,
ctx->enable_gpio = devm_gpiod_get_optional(ctx->dev, "enable",
GPIOD_OUT_LOW);
if (IS_ERR(ctx->enable_gpio))
- return PTR_ERR(ctx->enable_gpio);
+ return dev_err_probe(dev, PTR_ERR(ctx->enable_gpio), "failed to get enable GPIO\n");
usleep_range(10000, 11000);
@@ -687,7 +687,7 @@ static int sn65dsi83_probe(struct i2c_client *client,
ctx->regmap = devm_regmap_init_i2c(client, &sn65dsi83_regmap_config);
if (IS_ERR(ctx->regmap))
- return PTR_ERR(ctx->regmap);
+ return dev_err_probe(dev, PTR_ERR(ctx->regmap), "failed to get regmap\n");
dev_set_drvdata(dev, ctx);
i2c_set_clientdata(client, ctx);
--
2.38.1