leds: various: use device_get_match_data

Simply use device_get_match_data instead of matching against the match
table again.

Signed-off-by: Marek Behún <marek.behun@nic.cz>
Cc: H. Nikolaus Schaller <hns@goldelico.com>
Cc: David Rivshin <drivshin@allworx.com>
Cc: Sebastian Reichel <sre@kernel.org>
Cc: Christian Mauderer <oss@c-mauderer.de>
Cc: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: Pavel Machek <pavel@ucw.cz>

drivers/leds/leds-cpcap.c

@@ -158,19 +158,14 @@ MODULE_DEVICE_TABLE(of, cpcap_led_of_match);
 
 static int cpcap_led_probe(struct platform_device *pdev)
 {
-	const struct of_device_id *match;
 	struct cpcap_led *led;
 	int err;
 
-	match = of_match_device(of_match_ptr(cpcap_led_of_match), &pdev->dev);
-	if (!match || !match->data)
-		return -EINVAL;
-
 	led = devm_kzalloc(&pdev->dev, sizeof(*led), GFP_KERNEL);
 	if (!led)
 		return -ENOMEM;
 	platform_set_drvdata(pdev, led);
-	led->info = match->data;
+	led->info = device_get_match_data(&pdev->dev);
 	led->dev = &pdev->dev;
 
 	if (led->info->reg == 0x0000) {

drivers/leds/leds-is31fl319x.c

@@ -203,7 +203,6 @@ static int is31fl319x_parse_dt(struct device *dev,
 			       struct is31fl319x_chip *is31)
 {
 	struct device_node *np = dev->of_node, *child;
-	const struct of_device_id *of_dev_id;
 	int count;
 	int ret;
 
@@ -219,18 +218,11 @@ static int is31fl319x_parse_dt(struct device *dev,
 		return ret;
 	}
 
-	of_dev_id = of_match_device(of_is31fl319x_match, dev);
+	is31->cdef = device_get_match_data(dev);
-	if (!of_dev_id) {
-		dev_err(dev, "Failed to match device with supported chips\n");
-		return -EINVAL;
-	}
-
-	is31->cdef = of_dev_id->data;
 
 	count = of_get_child_count(np);
 
-	dev_dbg(dev, "probe %s with %d leds defined in DT\n",
+	dev_dbg(dev, "probing with %d leds defined in DT\n", count);
-		of_dev_id->compatible, count);
 
 	if (!count || count > is31->cdef->num_leds) {
 		dev_err(dev, "Number of leds defined must be between 1 and %u\n",

drivers/leds/leds-is31fl32xx.c

@@ -428,17 +428,12 @@ static int is31fl32xx_probe(struct i2c_client *client,
 			    const struct i2c_device_id *id)
 {
 	const struct is31fl32xx_chipdef *cdef;
-	const struct of_device_id *of_dev_id;
 	struct device *dev = &client->dev;
 	struct is31fl32xx_priv *priv;
 	int count;
 	int ret = 0;
 
-	of_dev_id = of_match_device(of_is31fl32xx_match, dev);
+	cdef = device_get_match_data(dev);
-	if (!of_dev_id)
-		return -EINVAL;
-
-	cdef = of_dev_id->data;
 
 	count = of_get_child_count(dev->of_node);
 	if (!count)

drivers/leds/leds-spi-byte.c

@@ -80,7 +80,6 @@ static int spi_byte_brightness_set_blocking(struct led_classdev *dev,
 
 static int spi_byte_probe(struct spi_device *spi)
 {
-	const struct of_device_id *of_dev_id;
 	struct device_node *child;
 	struct device *dev = &spi->dev;
 	struct spi_byte_led *led;
@@ -88,10 +87,6 @@ static int spi_byte_probe(struct spi_device *spi)
 	const char *state;
 	int ret;
 
-	of_dev_id = of_match_device(spi_byte_dt_ids, dev);
-	if (!of_dev_id)
-		return -EINVAL;
-
 	if (of_get_child_count(dev->of_node) != 1) {
 		dev_err(dev, "Device must have exactly one LED sub-node.");
 		return -EINVAL;
@@ -106,7 +101,7 @@ static int spi_byte_probe(struct spi_device *spi)
 	strlcpy(led->name, name, sizeof(led->name));
 	led->spi = spi;
 	mutex_init(&led->mutex);
-	led->cdef = of_dev_id->data;
+	led->cdef = device_get_match_data(dev);
 	led->ldev.name = led->name;
 	led->ldev.brightness = LED_OFF;
 	led->ldev.max_brightness = led->cdef->max_value - led->cdef->off_value;

drivers/leds/leds-tlc591xx.c

@@ -150,16 +150,11 @@ tlc591xx_probe(struct i2c_client *client,
 {
 	struct device_node *np = client->dev.of_node, *child;
 	struct device *dev = &client->dev;
-	const struct of_device_id *match;
 	const struct tlc591xx *tlc591xx;
 	struct tlc591xx_priv *priv;
 	int err, count, reg;
 
-	match = of_match_device(of_tlc591xx_leds_match, dev);
+	tlc591xx = device_get_match_data(dev);
-	if (!match)
-		return -ENODEV;
-
-	tlc591xx = match->data;
 	if (!np)
 		return -ENODEV;