[PATCH v6 02/13] media: i2c: imx214: Simplify with dev_err_probe()

From: André Apitzsch via B4 Relay
Date: Fri Dec 20 2024 - 08:30:48 EST


From: André Apitzsch <git@xxxxxxxxxxx>

Error handling in probe() can be a bit simpler with dev_err_probe().

Acked-by: Ricardo Ribalda <ribalda@xxxxxxxxxxxx>
Signed-off-by: André Apitzsch <git@xxxxxxxxxxx>
---
drivers/media/i2c/imx214.c | 54 +++++++++++++++++++++-------------------------
1 file changed, 24 insertions(+), 30 deletions(-)

diff --git a/drivers/media/i2c/imx214.c b/drivers/media/i2c/imx214.c
index 646a25d9d3767c4c537fba47a5972269208150ee..13a442865a17b4148aaaeea0a06e38aaae8bb29a 100644
--- a/drivers/media/i2c/imx214.c
+++ b/drivers/media/i2c/imx214.c
@@ -933,14 +933,12 @@ static int imx214_parse_fwnode(struct device *dev)
int ret;

endpoint = fwnode_graph_get_next_endpoint(dev_fwnode(dev), NULL);
- if (!endpoint) {
- dev_err(dev, "endpoint node not found\n");
- return -EINVAL;
- }
+ if (!endpoint)
+ return dev_err_probe(dev, -EINVAL, "endpoint node not found\n");

ret = v4l2_fwnode_endpoint_alloc_parse(endpoint, &bus_cfg);
if (ret) {
- dev_err(dev, "parsing endpoint node failed\n");
+ dev_err_probe(dev, ret, "parsing endpoint node failed\n");
goto done;
}

@@ -949,8 +947,9 @@ static int imx214_parse_fwnode(struct device *dev)
break;

if (i == bus_cfg.nr_of_link_frequencies) {
- dev_err(dev, "link-frequencies %d not supported, Please review your DT\n",
- IMX214_DEFAULT_LINK_FREQ);
+ dev_err_probe(dev, -EINVAL,
+ "link-frequencies %d not supported, Please review your DT\n",
+ IMX214_DEFAULT_LINK_FREQ);
ret = -EINVAL;
goto done;
}
@@ -978,34 +977,28 @@ static int imx214_probe(struct i2c_client *client)
imx214->dev = dev;

imx214->xclk = devm_clk_get(dev, NULL);
- if (IS_ERR(imx214->xclk)) {
- dev_err(dev, "could not get xclk");
- return PTR_ERR(imx214->xclk);
- }
+ if (IS_ERR(imx214->xclk))
+ return dev_err_probe(dev, PTR_ERR(imx214->xclk),
+ "failed to get xclk\n");

ret = clk_set_rate(imx214->xclk, IMX214_DEFAULT_CLK_FREQ);
- if (ret) {
- dev_err(dev, "could not set xclk frequency\n");
- return ret;
- }
+ if (ret)
+ return dev_err_probe(dev, ret,
+ "failed to set xclk frequency\n");

ret = imx214_get_regulators(dev, imx214);
- if (ret < 0) {
- dev_err(dev, "cannot get regulators\n");
- return ret;
- }
+ if (ret < 0)
+ return dev_err_probe(dev, ret, "failed to get regulators\n");

imx214->enable_gpio = devm_gpiod_get(dev, "enable", GPIOD_OUT_LOW);
- if (IS_ERR(imx214->enable_gpio)) {
- dev_err(dev, "cannot get enable gpio\n");
- return PTR_ERR(imx214->enable_gpio);
- }
+ if (IS_ERR(imx214->enable_gpio))
+ return dev_err_probe(dev, PTR_ERR(imx214->enable_gpio),
+ "failed to get enable gpio\n");

imx214->regmap = devm_regmap_init_i2c(client, &sensor_regmap_config);
- if (IS_ERR(imx214->regmap)) {
- dev_err(dev, "regmap init failed\n");
- return PTR_ERR(imx214->regmap);
- }
+ if (IS_ERR(imx214->regmap))
+ return dev_err_probe(dev, PTR_ERR(imx214->regmap),
+ "regmap init failed\n");

v4l2_i2c_subdev_init(&imx214->sd, client, &imx214_subdev_ops);
imx214->sd.internal_ops = &imx214_internal_ops;
@@ -1031,20 +1024,21 @@ static int imx214_probe(struct i2c_client *client)

ret = media_entity_pads_init(&imx214->sd.entity, 1, &imx214->pad);
if (ret < 0) {
- dev_err(dev, "could not register media entity\n");
+ dev_err_probe(dev, ret, "failed to init entity pads\n");
goto free_ctrl;
}

imx214->sd.state_lock = imx214->ctrls.lock;
ret = v4l2_subdev_init_finalize(&imx214->sd);
if (ret < 0) {
- dev_err(dev, "subdev init error: %d\n", ret);
+ dev_err_probe(dev, ret, "subdev init error\n");
goto free_entity;
}

ret = v4l2_async_register_subdev_sensor(&imx214->sd);
if (ret < 0) {
- dev_err(dev, "could not register v4l2 device\n");
+ dev_err_probe(dev, ret,
+ "failed to register sensor sub-device\n");
goto error_subdev_cleanup;
}


--
2.47.1