mg_disk: use setup_timer

Use setup_timer() instead of init_timer() to simplify the code.
Signed-off-by: Geliang Tang <geliangtang@gmail.com>
Signed-off-by: Jens Axboe <axboe@fb.com>

drivers/block/mg_disk.c

@@ -989,9 +989,7 @@ static int mg_probe(struct platform_device *plat_dev)
 	blk_queue_max_hw_sectors(host->breq, MG_MAX_SECTS);
 	blk_queue_logical_block_size(host->breq, MG_SECTOR_SIZE);
 
-	init_timer(&host->timer);
-	host->timer.function = mg_times_out;
-	host->timer.data = (unsigned long)host;
+	setup_timer(&host->timer, mg_times_out, (unsigned long)host);
 
 	host->gd = alloc_disk(MG_DISK_MAX_PART);
 	if (!host->gd) {