drivers/misc/lis3lv02d/lis3lv02d_spi.c: add lis3lv02d device tree init

Add lis3lv02d device tree initialization code/API to take pdata from
device node.  Also remove CONFIG_OF ifdef from the driver, if CONFIG_OF is
not defined then OF APIs returns 0.

[akpm@linux-foundation.org: fix CONFIG_OF=n build[
Signed-off-by: AnilKumar Ch <anilkumar@ti.com>
Cc: Eric Piel <eric.piel@tremplin-utc.net>
Reviewed-by: Arnd Bergmann <arnd@arndb.de>
Cc: Mark Brown <broonie@opensource.wolfsonmicro.com>
Cc: Tony Lindgren <tony@atomide.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/misc/lis3lv02d/lis3lv02d_spi.c

@@ -19,6 +19,7 @@
 #include <linux/pm.h>
 #include <linux/of.h>
 #include <linux/of_platform.h>
+#include <linux/of_device.h>
 
 #include "lis3lv02d.h"
 
@@ -87,10 +88,13 @@ static int __devinit lis302dl_spi_probe(struct spi_device *spi)
 	lis3_dev.pdata		= spi->dev.platform_data;
 
 #ifdef CONFIG_OF
-	if (of_match_device(lis302dl_spi_dt_ids, &spi->dev))
+	if (of_match_device(lis302dl_spi_dt_ids, &spi->dev)) {
 		lis3_dev.of_node = spi->dev.of_node;
+		ret = lis3lv02d_init_dt(&lis3_dev);
+		if (ret)
+			return ret;
+	}
 #endif
-
 	spi_set_drvdata(spi, &lis3_dev);
 
 	return lis3lv02d_init_device(&lis3_dev);