platform: make better use of to_platform_{device,driver}() macros
This helps the code look more consistent and cleaner.
Signed-off-by: Eric Miao <eric.miao@marvell.com>
Cc: Kay Sievers <kay.sievers@vrfy.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
diff --git a/drivers/block/floppy.c b/drivers/block/floppy.c
index 83d8ed3..c2c95e6 100644
--- a/drivers/block/floppy.c
+++ b/drivers/block/floppy.c
@@ -4135,10 +4135,9 @@
static ssize_t floppy_cmos_show(struct device *dev,
struct device_attribute *attr, char *buf)
{
- struct platform_device *p;
+ struct platform_device *p = to_platform_device(dev);
int drive;
- p = container_of(dev, struct platform_device,dev);
drive = p->id;
return sprintf(buf, "%X\n", UDP->cmos);
}