Use the wrapper function for retrieving the platform data instead of
accessing dev->platform_data directly.  This is a cosmetic change to make
the code simpler and enhance the readability.
Signed-off-by: Jingoo Han <jg1.han@samsung.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
        struct i2c_adapter      *adapter = to_i2c_adapter(client->dev.parent);
        int                     want_irq = false;
        unsigned char           *buf;
-       struct ds1307_platform_data *pdata = client->dev.platform_data;
+       struct ds1307_platform_data *pdata = dev_get_platdata(&client->dev);
        static const int        bbsqi_bitpos[] = {
                [ds_1337] = 0,
                [ds_1339] = DS1339_BIT_BBSQI,