spi: use platform_{get,set}_drvdata()

Use the wrapper functions for getting and setting the driver data using
platform_device instead of using dev_{get,set}_drvdata() with &pdev->dev,
so we can directly pass a struct platform_device.

Signed-off-by: Jingoo Han <jg1.han@samsung.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
diff --git a/drivers/spi/spi-omap-100k.c b/drivers/spi/spi-omap-100k.c
index 78d29a1..9236764 100644
--- a/drivers/spi/spi-omap-100k.c
+++ b/drivers/spi/spi-omap-100k.c
@@ -510,7 +510,7 @@
 	master->num_chipselect = 2;
 	master->mode_bits = MODEBITS;
 
-	dev_set_drvdata(&pdev->dev, master);
+	platform_set_drvdata(pdev, master);
 
 	spi100k = spi_master_get_devdata(master);
 	spi100k->master = master;
@@ -569,7 +569,7 @@
 	unsigned long		flags;
 	int			status = 0;
 
-	master = dev_get_drvdata(&pdev->dev);
+	master = platform_get_drvdata(pdev);
 	spi100k = spi_master_get_devdata(master);
 
 	spin_lock_irqsave(&spi100k->lock, flags);