hwmon: (lm70) Use device_get_match_data()

Use the more modern API to get the match data out of the of match table.
This saves some code, lines, and nicely avoids referencing the match
table when it is undefined with configurations where CONFIG_OF=n.

Signed-off-by: Stephen Boyd <swboyd@chromium.org>
Cc: Arnd Bergmann <arnd@arndb.de>
Cc: Geert Uytterhoeven <geert@linux-m68k.org>
Cc: Jean Delvare <jdelvare@suse.com>
Cc: Guenter Roeck <linux@roeck-us.net>
Cc: Rob Herring <robh+dt@kernel.org>
Cc: Frank Rowand <frowand.list@gmail.com>
Cc: <linux-hwmon@vger.kernel.org>
[robh: rework to use device_get_match_data()]
Signed-off-by: Rob Herring <robh@kernel.org>

drivers/hwmon/lm70.c

@@ -22,9 +22,9 @@
 #include <linux/hwmon.h>
 #include <linux/mutex.h>
 #include <linux/mod_devicetable.h>
+#include <linux/property.h>
 #include <linux/spi/spi.h>
 #include <linux/slab.h>
-#include <linux/of_device.h>
 #include <linux/acpi.h>
 
 #define DRVNAME		"lm70"
@@ -173,25 +173,15 @@ MODULE_DEVICE_TABLE(acpi, lm70_acpi_ids);
 
 static int lm70_probe(struct spi_device *spi)
 {
-	const struct of_device_id *of_match;
 	struct device *hwmon_dev;
 	struct lm70 *p_lm70;
 	int chip;
 
-	of_match = of_match_device(lm70_of_ids, &spi->dev);
-	if (of_match)
-		chip = (int)(uintptr_t)of_match->data;
-	else {
-#ifdef CONFIG_ACPI
-		const struct acpi_device_id *acpi_match;
+	if (dev_fwnode(&spi->dev))
+		chip = (int)(uintptr_t)device_get_match_data(&spi->dev);
+	else
+		chip = spi_get_device_id(spi)->driver_data;
 
-		acpi_match = acpi_match_device(lm70_acpi_ids, &spi->dev);
-		if (acpi_match)
-			chip = (int)(uintptr_t)acpi_match->driver_data;
-		else
-#endif
-			chip = spi_get_device_id(spi)->driver_data;
-	}
 
 	/* signaling is SPI_MODE_0 */
 	if (spi->mode & (SPI_CPOL | SPI_CPHA))