mmc: clean up unused parts of block driver

Remove dead code and unused structs from the block driver.

Signed-off-by: Pierre Ossman <drzeus@drzeus.cx>

1 files changed, 8 insertions, 27 deletions

diff --git a/drivers/mmc/card/queue.c b/drivers/mmc/card/queue.c
index 2e77963db334..dd97bc798409 100644
--- a/drivers/mmc/card/queue.c
+++ b/drivers/mmc/card/queue.c
@@ -20,40 +20,21 @@
 #define MMC_QUEUE_SUSPENDED     (1 << 0)
 
 /*
- * Prepare a MMC request.  Essentially, this means passing the
- * preparation off to the media driver.  The media driver will
- * create a mmc_io_request in req->special.
+ * Prepare a MMC request. This just filters out odd stuff.
  */
 static int mmc_prep_request(struct request_queue *q, struct request *req)
 {
-        struct mmc_queue *mq = q->queuedata;
-        int ret = BLKPREP_KILL;
-
-        if (blk_special_request(req)) {
-                /*
-                 * Special commands already have the command
-                 * blocks already setup in req->special.
-                 */
-                BUG_ON(!req->special);
-
-                ret = BLKPREP_OK;
-        } else if (blk_fs_request(req) || blk_pc_request(req)) {
-                /*
-                 * Block I/O requests need translating according
-                 * to the protocol.
-                 */
-                ret = mq->prep_fn(mq, req);
-        } else {
-                /*
-                 * Everything else is invalid.
-                 */
+        /*
+         * We only like normal block requests.
+         */
+        if (!blk_fs_request(req) && !blk_pc_request(req)) {
                 blk_dump_rq_flags(req, "MMC bad request");
+                return BLKPREP_KILL;
         }
 
-        if (ret == BLKPREP_OK)
-                req->cmd_flags |= REQ_DONTPREP;
+        req->cmd_flags |= REQ_DONTPREP;
 
-        return ret;
+        return BLKPREP_OK;
 }
 
 static int mmc_queue_thread(void *d)