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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>
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parent
69a9b172ad
commit
0d77252bc4
1 changed files with 13 additions and 20 deletions
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@ -396,11 +396,9 @@ static int is31fl319x_parse_fw(struct device *dev, struct is31fl319x_chip *is31)
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int ret;
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is31->shutdown_gpio = devm_gpiod_get_optional(dev, "shutdown", GPIOD_OUT_HIGH);
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if (IS_ERR(is31->shutdown_gpio)) {
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ret = PTR_ERR(is31->shutdown_gpio);
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dev_err(dev, "Failed to get shutdown gpio: %d\n", ret);
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return ret;
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}
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if (IS_ERR(is31->shutdown_gpio))
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return dev_err_probe(dev, PTR_ERR(is31->shutdown_gpio),
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"Failed to get shutdown gpio\n");
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is31->cdef = device_get_match_data(dev);
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@ -410,11 +408,10 @@ static int is31fl319x_parse_fw(struct device *dev, struct is31fl319x_chip *is31)
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dev_dbg(dev, "probing with %d leds defined in DT\n", count);
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if (!count || count > is31->cdef->num_leds) {
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dev_err(dev, "Number of leds defined must be between 1 and %u\n",
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is31->cdef->num_leds);
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return -ENODEV;
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}
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if (!count || count > is31->cdef->num_leds)
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return dev_err_probe(dev, -ENODEV,
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"Number of leds defined must be between 1 and %u\n",
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is31->cdef->num_leds);
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fwnode_for_each_available_child_node(fwnode, child) {
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struct is31fl319x_led *led;
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@ -422,27 +419,25 @@ static int is31fl319x_parse_fw(struct device *dev, struct is31fl319x_chip *is31)
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ret = fwnode_property_read_u32(child, "reg", ®);
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if (ret) {
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dev_err(dev, "Failed to read led 'reg' property\n");
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ret = dev_err_probe(dev, ret, "Failed to read led 'reg' property\n");
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goto put_child_node;
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}
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if (reg < 1 || reg > is31->cdef->num_leds) {
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dev_err(dev, "invalid led reg %u\n", reg);
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ret = -EINVAL;
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ret = dev_err_probe(dev, -EINVAL, "invalid led reg %u\n", reg);
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goto put_child_node;
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}
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led = &is31->leds[reg - 1];
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if (led->configured) {
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dev_err(dev, "led %u is already configured\n", reg);
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ret = -EINVAL;
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ret = dev_err_probe(dev, -EINVAL, "led %u is already configured\n", reg);
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goto put_child_node;
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}
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ret = is31fl319x_parse_child_fw(dev, child, led, is31);
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if (ret) {
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dev_err(dev, "led %u DT parsing failed\n", reg);
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ret = dev_err_probe(dev, ret, "led %u DT parsing failed\n", reg);
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goto put_child_node;
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}
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@ -530,8 +525,7 @@ static int is31fl319x_probe(struct i2c_client *client,
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is31->client = client;
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is31->regmap = devm_regmap_init_i2c(client, is31->cdef->is31fl319x_regmap_config);
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if (IS_ERR(is31->regmap)) {
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dev_err(&client->dev, "failed to allocate register map\n");
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err = PTR_ERR(is31->regmap);
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err = dev_err_probe(dev, PTR_ERR(is31->regmap), "failed to allocate register map\n");
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goto free_mutex;
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}
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@ -540,8 +534,7 @@ static int is31fl319x_probe(struct i2c_client *client,
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/* check for write-reply from chip (we can't read any registers) */
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err = regmap_write(is31->regmap, is31->cdef->reset_reg, 0x00);
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if (err < 0) {
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dev_err(&client->dev, "no response from chip write: err = %d\n", err);
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err = -EIO; /* does not answer */
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err = dev_err_probe(dev, err, "no response from chip write\n");
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goto free_mutex;
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}
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