* [PATCH] drm/bridge/tc358775: Make use of the helper function dev_err_probe()
@ 2021-09-16 10:13 Cai Huoqing
0 siblings, 0 replies; only message in thread
From: Cai Huoqing @ 2021-09-16 10:13 UTC (permalink / raw)
To: caihuoqing
Cc: Andrzej Hajda, Neil Armstrong, Robert Foss, Laurent Pinchart,
Jonas Karlman, Jernej Skrabec, David Airlie, Daniel Vetter,
dri-devel, linux-kernel
When possible use dev_err_probe help to properly deal with the
PROBE_DEFER error, the benefit is that DEFER issue will be logged
in the devices_deferred debugfs file.
And using dev_err_probe() can reduce code size, and the error value
gets printed.
Signed-off-by: Cai Huoqing <caihuoqing@baidu.com>
---
drivers/gpu/drm/bridge/tc358775.c | 32 ++++++++++++-------------------
1 file changed, 12 insertions(+), 20 deletions(-)
diff --git a/drivers/gpu/drm/bridge/tc358775.c b/drivers/gpu/drm/bridge/tc358775.c
index 2272adcc5b4a..39a5fda6a06a 100644
--- a/drivers/gpu/drm/bridge/tc358775.c
+++ b/drivers/gpu/drm/bridge/tc358775.c
@@ -676,32 +676,24 @@ static int tc_probe(struct i2c_client *client, const struct i2c_device_id *id)
return ret;
tc->vddio = devm_regulator_get(dev, "vddio-supply");
- if (IS_ERR(tc->vddio)) {
- ret = PTR_ERR(tc->vddio);
- dev_err(dev, "vddio-supply not found\n");
- return ret;
- }
+ if (IS_ERR(tc->vddio))
+ return dev_err_probe(dev, PTR_ERR(tc->vddio),
+ "vddio-supply not found\n");
tc->vdd = devm_regulator_get(dev, "vdd-supply");
- if (IS_ERR(tc->vdd)) {
- ret = PTR_ERR(tc->vdd);
- dev_err(dev, "vdd-supply not found\n");
- return ret;
- }
+ if (IS_ERR(tc->vdd))
+ return dev_err_probe(dev, PTR_ERR(tc->vdd),
+ "vdd-supply not found\n");
tc->stby_gpio = devm_gpiod_get(dev, "stby", GPIOD_OUT_HIGH);
- if (IS_ERR(tc->stby_gpio)) {
- ret = PTR_ERR(tc->stby_gpio);
- dev_err(dev, "cannot get stby-gpio %d\n", ret);
- return ret;
- }
+ if (IS_ERR(tc->stby_gpio))
+ return dev_err_probe(dev, PTR_ERR(tc->stby_gpio),
+ "cannot get stby-gpio\n");
tc->reset_gpio = devm_gpiod_get(dev, "reset", GPIOD_OUT_HIGH);
- if (IS_ERR(tc->reset_gpio)) {
- ret = PTR_ERR(tc->reset_gpio);
- dev_err(dev, "cannot get reset-gpios %d\n", ret);
- return ret;
- }
+ if (IS_ERR(tc->reset_gpio))
+ return dev_err_probe(dev, PTR_ERR(tc->reset_gpio),
+ "cannot get reset-gpios\n");
tc->bridge.funcs = &tc_bridge_funcs;
tc->bridge.of_node = dev->of_node;
--
2.25.1
^ permalink raw reply related [flat|nested] only message in thread
only message in thread, other threads:[~2021-09-16 10:14 UTC | newest]
Thread overview: (only message) (download: mbox.gz / follow: Atom feed)
-- links below jump to the message on this page --
2021-09-16 10:13 [PATCH] drm/bridge/tc358775: Make use of the helper function dev_err_probe() Cai Huoqing
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.