diff options
author | Andy Shevchenko <andriy.shevchenko@linux.intel.com> | 2022-07-12 12:08:35 +0200 |
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committer | Pavel Machek <pavel@ucw.cz> | 2022-08-02 16:43:30 +0200 |
commit | 0d77252bc4d28b6b80b4c9b56927cbf74a4d0eb1 (patch) | |
tree | 9ea5fa911c8aca1e4e78eb83c988894536a651fe /drivers/leds | |
parent | leds: is31fl319x: Make use of device properties (diff) | |
download | linux-0d77252bc4d28b6b80b4c9b56927cbf74a4d0eb1.tar.xz linux-0d77252bc4d28b6b80b4c9b56927cbf74a4d0eb1.zip |
leds: is31fl319x: Make use of dev_err_probe()
Simplify the error handling in probe function by switching from
dev_err() to dev_err_probe().
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Vincent Knecht <vincent.knecht@mailoo.org>
Signed-off-by: Pavel Machek <pavel@ucw.cz>
Diffstat (limited to 'drivers/leds')
-rw-r--r-- | drivers/leds/leds-is31fl319x.c | 33 |
1 files changed, 13 insertions, 20 deletions
diff --git a/drivers/leds/leds-is31fl319x.c b/drivers/leds/leds-is31fl319x.c index b1a0ca340e24..d9cf70505c43 100644 --- a/drivers/leds/leds-is31fl319x.c +++ b/drivers/leds/leds-is31fl319x.c @@ -396,11 +396,9 @@ static int is31fl319x_parse_fw(struct device *dev, struct is31fl319x_chip *is31) int ret; is31->shutdown_gpio = devm_gpiod_get_optional(dev, "shutdown", GPIOD_OUT_HIGH); - if (IS_ERR(is31->shutdown_gpio)) { - ret = PTR_ERR(is31->shutdown_gpio); - dev_err(dev, "Failed to get shutdown gpio: %d\n", ret); - return ret; - } + if (IS_ERR(is31->shutdown_gpio)) + return dev_err_probe(dev, PTR_ERR(is31->shutdown_gpio), + "Failed to get shutdown gpio\n"); is31->cdef = device_get_match_data(dev); @@ -410,11 +408,10 @@ static int is31fl319x_parse_fw(struct device *dev, struct is31fl319x_chip *is31) dev_dbg(dev, "probing with %d leds defined in DT\n", count); - if (!count || count > is31->cdef->num_leds) { - dev_err(dev, "Number of leds defined must be between 1 and %u\n", - is31->cdef->num_leds); - return -ENODEV; - } + if (!count || count > is31->cdef->num_leds) + return dev_err_probe(dev, -ENODEV, + "Number of leds defined must be between 1 and %u\n", + is31->cdef->num_leds); fwnode_for_each_available_child_node(fwnode, child) { struct is31fl319x_led *led; @@ -422,27 +419,25 @@ static int is31fl319x_parse_fw(struct device *dev, struct is31fl319x_chip *is31) ret = fwnode_property_read_u32(child, "reg", ®); if (ret) { - dev_err(dev, "Failed to read led 'reg' property\n"); + ret = dev_err_probe(dev, ret, "Failed to read led 'reg' property\n"); goto put_child_node; } if (reg < 1 || reg > is31->cdef->num_leds) { - dev_err(dev, "invalid led reg %u\n", reg); - ret = -EINVAL; + ret = dev_err_probe(dev, -EINVAL, "invalid led reg %u\n", reg); goto put_child_node; } led = &is31->leds[reg - 1]; if (led->configured) { - dev_err(dev, "led %u is already configured\n", reg); - ret = -EINVAL; + ret = dev_err_probe(dev, -EINVAL, "led %u is already configured\n", reg); goto put_child_node; } ret = is31fl319x_parse_child_fw(dev, child, led, is31); if (ret) { - dev_err(dev, "led %u DT parsing failed\n", reg); + ret = dev_err_probe(dev, ret, "led %u DT parsing failed\n", reg); goto put_child_node; } @@ -530,8 +525,7 @@ static int is31fl319x_probe(struct i2c_client *client, is31->client = client; is31->regmap = devm_regmap_init_i2c(client, is31->cdef->is31fl319x_regmap_config); if (IS_ERR(is31->regmap)) { - dev_err(&client->dev, "failed to allocate register map\n"); - err = PTR_ERR(is31->regmap); + err = dev_err_probe(dev, PTR_ERR(is31->regmap), "failed to allocate register map\n"); goto free_mutex; } @@ -540,8 +534,7 @@ static int is31fl319x_probe(struct i2c_client *client, /* check for write-reply from chip (we can't read any registers) */ err = regmap_write(is31->regmap, is31->cdef->reset_reg, 0x00); if (err < 0) { - dev_err(&client->dev, "no response from chip write: err = %d\n", err); - err = -EIO; /* does not answer */ + err = dev_err_probe(dev, err, "no response from chip write\n"); goto free_mutex; } |