ps3flash: Use ps3_system_bus_[gs]et_drvdata() instead of direct access

Signed-off-by: Geert Uytterhoeven <Geert.Uytterhoeven@sonycom.com>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>

drivers/char/ps3flash.c

@@ -108,7 +108,7 @@ static ssize_t ps3flash_read(struct file *file, char __user *buf, size_t count,
 			     loff_t *pos)
 {
 	struct ps3_storage_device *dev = ps3flash_dev;
-	struct ps3flash_private *priv = dev->sbd.core.driver_data;
+	struct ps3flash_private *priv = ps3_system_bus_get_drvdata(&dev->sbd);
 	u64 size, start_sector, end_sector, offset;
 	ssize_t sectors_read;
 	size_t remaining, n;
@@ -173,7 +173,7 @@ static ssize_t ps3flash_write(struct file *file, const char __user *buf,
 			      size_t count, loff_t *pos)
 {
 	struct ps3_storage_device *dev = ps3flash_dev;
-	struct ps3flash_private *priv = dev->sbd.core.driver_data;
+	struct ps3flash_private *priv = ps3_system_bus_get_drvdata(&dev->sbd);
 	u64 size, chunk_sectors, start_write_sector, end_write_sector,
 	    end_read_sector, start_read_sector, head, tail, offset;
 	ssize_t res;
@@ -366,7 +366,7 @@ static int __devinit ps3flash_probe(struct ps3_system_bus_device *_dev)
 		goto fail;
 	}
 
-	dev->sbd.core.driver_data = priv;
+	ps3_system_bus_set_drvdata(&dev->sbd, priv);
 	mutex_init(&priv->mutex);
 
 	dev->bounce_size = ps3flash_bounce_buffer.size;
@@ -392,7 +392,7 @@ static int __devinit ps3flash_probe(struct ps3_system_bus_device *_dev)
 	ps3stor_teardown(dev);
 fail_free_priv:
 	kfree(priv);
-	dev->sbd.core.driver_data = NULL;
+	ps3_system_bus_set_drvdata(&dev->sbd, NULL);
 fail:
 	ps3flash_dev = NULL;
 	return error;
@@ -404,8 +404,8 @@ static int ps3flash_remove(struct ps3_system_bus_device *_dev)
 
 	misc_deregister(&ps3flash_misc);
 	ps3stor_teardown(dev);
-	kfree(dev->sbd.core.driver_data);
-	dev->sbd.core.driver_data = NULL;
+	kfree(ps3_system_bus_get_drvdata(&dev->sbd));
+	ps3_system_bus_set_drvdata(&dev->sbd, NULL);
 	ps3flash_dev = NULL;
 	return 0;
 }