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>

3 files changed, 8 insertions, 53 deletions

diff --git a/drivers/mmc/card/block.c b/drivers/mmc/card/block.c
index a7562f7fc0b3..540ff4bea54c 100644
--- a/drivers/mmc/card/block.c
+++ b/drivers/mmc/card/block.c
@@ -135,23 +135,6 @@ struct mmc_blk_request {
         struct mmc_data         data;
 };
 
-static int mmc_blk_prep_rq(struct mmc_queue *mq, struct request *req)
-{
-        struct mmc_blk_data *md = mq->data;
-        int stat = BLKPREP_OK;
-
-        /*
-         * If we have no device, we haven't finished initialising.
-         */
-        if (!md || !mq->card) {
-                printk(KERN_ERR "%s: killing request - no device/host\n",
-                       req->rq_disk->disk_name);
-                stat = BLKPREP_KILL;
-        }
-
-        return stat;
-}
-
 static u32 mmc_sd_num_wr_blocks(struct mmc_card *card)
 {
         int err;
@@ -460,7 +443,6 @@ static struct mmc_blk_data *mmc_blk_alloc(struct mmc_card *card)
         if (ret)
                 goto err_putdisk;
 
-        md->queue.prep_fn = mmc_blk_prep_rq;
         md->queue.issue_fn = mmc_blk_issue_rq;
         md->queue.data = md;
 
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)
diff --git a/drivers/mmc/card/queue.h b/drivers/mmc/card/queue.h
index c9f139e764f6..1590b3f3f1f7 100644
--- a/drivers/mmc/card/queue.h
+++ b/drivers/mmc/card/queue.h
@@ -10,20 +10,12 @@ struct mmc_queue {
         struct semaphore        thread_sem;
         unsigned int            flags;
         struct request          *req;
-        int                     (*prep_fn)(struct mmc_queue *, struct request *);
         int                     (*issue_fn)(struct mmc_queue *, struct request *);
         void                    *data;
         struct request_queue    *queue;
         struct scatterlist      *sg;
 };
 
-struct mmc_io_request {
-        struct request          *rq;
-        int                     num;
-        struct mmc_command      selcmd;         /* mmc_queue private */
-        struct mmc_command      cmd[4];         /* max 4 commands */
-};
-
 extern int mmc_init_queue(struct mmc_queue *, struct mmc_card *, spinlock_t *);
 extern void mmc_cleanup_queue(struct mmc_queue *);
 extern void mmc_queue_suspend(struct mmc_queue *);