mfd: da9062: Simplify getting of_device_id match data

Use of_device_get_match_data() to make the code slightly smaller.
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@canonical.com>
Acked-by: Adam Thomson <Adam.Thomson.Opensource@diasemi.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>

drivers/mfd/da9062-core.c

@@ -9,6 +9,7 @@
 #include <linux/init.h>
 #include <linux/device.h>
 #include <linux/interrupt.h>
+#include <linux/of_device.h>
 #include <linux/regmap.h>
 #include <linux/irq.h>
 #include <linux/mfd/core.h>
@@ -622,7 +623,6 @@ static int da9062_i2c_probe(struct i2c_client *i2c,
 	const struct i2c_device_id *id)
 {
 	struct da9062 *chip;
-	const struct of_device_id *match;
 	unsigned int irq_base;
 	const struct mfd_cell *cell;
 	const struct regmap_irq_chip *irq_chip;
@@ -635,15 +635,10 @@ static int da9062_i2c_probe(struct i2c_client *i2c,
 	if (!chip)
 		return -ENOMEM;
 
-	if (i2c->dev.of_node) {
-		match = of_match_node(da9062_dt_ids, i2c->dev.of_node);
-		if (!match)
-			return -EINVAL;
-
-		chip->chip_type = (uintptr_t)match->data;
-	} else {
+	if (i2c->dev.of_node)
+		chip->chip_type = (uintptr_t)of_device_get_match_data(&i2c->dev);
+	else
 		chip->chip_type = id->driver_data;
-	}
 
 	i2c_set_clientdata(i2c, chip);
 	chip->dev = &i2c->dev;