Merge branch 'akpm' (patches from Andrew)

[cascardo/linux.git] / drivers / mmc / card / block.c

diff --git a/drivers/mmc/card/block.c b/drivers/mmc/card/block.c
index c5472e3..2206d44 100644 (file)
--- a/drivers/mmc/card/block.c
+++ b/drivers/mmc/card/block.c
@@ -93,6 +93,7 @@ static DEFINE_SPINLOCK(mmc_blk_lock);
  */
 struct mmc_blk_data {
        spinlock_t      lock;
+       struct device   *parent;
        struct gendisk  *disk;
        struct mmc_queue queue;
        struct list_head part;
@@ -1724,8 +1725,9 @@ static u8 mmc_blk_prep_packed_list(struct mmc_queue *mq, struct request *req)
                    !IS_ALIGNED(blk_rq_sectors(next), 8))
                        break;
 
-               if (next->cmd_flags & REQ_DISCARD ||
-                   next->cmd_flags & REQ_FLUSH)
+               if (req_op(next) == REQ_OP_DISCARD ||
+                   req_op(next) == REQ_OP_SECURE_ERASE ||
+                   req_op(next) == REQ_OP_FLUSH)
                        break;
 
                if (rq_data_dir(cur) != rq_data_dir(next))
@@ -1800,8 +1802,7 @@ static void mmc_blk_packed_hdr_wrq_prep(struct mmc_queue_req *mqrq,
                do_data_tag = (card->ext_csd.data_tag_unit_size) &&
                        (prq->cmd_flags & REQ_META) &&
                        (rq_data_dir(prq) == WRITE) &&
-                       ((brq->data.blocks * brq->data.blksz) >=
-                        card->ext_csd.data_tag_unit_size);
+                       blk_rq_bytes(prq) >= card->ext_csd.data_tag_unit_size;
                /* Argument of CMD23 */
                packed_cmd_hdr[(i * 2)] = cpu_to_le32(
                        (do_rel_wr ? MMC_CMD23_ARG_REL_WR : 0) |
@@ -1976,8 +1977,8 @@ static int mmc_blk_issue_rw_rq(struct mmc_queue *mq, struct request *rqc)
                         * When 4KB native sector is enabled, only 8 blocks
                         * multiple read or write is allowed
                         */
-                       if ((brq->data.blocks & 0x07) &&
-                           (card->ext_csd.data_sector_size == 4096)) {
+                       if (mmc_large_sector(card) &&
+                               !IS_ALIGNED(blk_rq_sectors(rqc), 8)) {
                                pr_err("%s: Transfer size is not 4KB sector size aligned\n",
                                        req->rq_disk->disk_name);
                                mq_rq = mq->mqrq_cur;
@@ -2150,7 +2151,7 @@ static int mmc_blk_issue_rq(struct mmc_queue *mq, struct request *req)
        struct mmc_card *card = md->queue.card;
        struct mmc_host *host = card->host;
        unsigned long flags;
-       unsigned int cmd_flags = req ? req->cmd_flags : 0;
+       bool req_is_special = mmc_req_is_special(req);
 
        if (req && !mq->mqrq_prev->req)
                /* claim host only for the first request */
@@ -2166,15 +2167,17 @@ static int mmc_blk_issue_rq(struct mmc_queue *mq, struct request *req)
        }
 
        mq->flags &= ~MMC_QUEUE_NEW_REQUEST;
-       if (cmd_flags & REQ_DISCARD) {
+       if (req && req_op(req) == REQ_OP_DISCARD) {
                /* complete ongoing async transfer before issuing discard */
                if (card->host->areq)
                        mmc_blk_issue_rw_rq(mq, NULL);
-               if (req->cmd_flags & REQ_SECURE)
-                       ret = mmc_blk_issue_secdiscard_rq(mq, req);
-               else
-                       ret = mmc_blk_issue_discard_rq(mq, req);
-       } else if (cmd_flags & REQ_FLUSH) {
+               ret = mmc_blk_issue_discard_rq(mq, req);
+       } else if (req && req_op(req) == REQ_OP_SECURE_ERASE) {
+               /* complete ongoing async transfer before issuing secure erase*/
+               if (card->host->areq)
+                       mmc_blk_issue_rw_rq(mq, NULL);
+               ret = mmc_blk_issue_secdiscard_rq(mq, req);
+       } else if (req && req_op(req) == REQ_OP_FLUSH) {
                /* complete ongoing async transfer before issuing flush */
                if (card->host->areq)
                        mmc_blk_issue_rw_rq(mq, NULL);
@@ -2189,8 +2192,7 @@ static int mmc_blk_issue_rq(struct mmc_queue *mq, struct request *req)
        }
 
 out:
-       if ((!req && !(mq->flags & MMC_QUEUE_NEW_REQUEST)) ||
-            (cmd_flags & MMC_REQ_SPECIAL_MASK))
+       if ((!req && !(mq->flags & MMC_QUEUE_NEW_REQUEST)) || req_is_special)
                /*
                 * Release host when there are no more requests
                 * and after special request(discard, flush) is done.
@@ -2271,7 +2273,7 @@ again:
        md->disk->fops = &mmc_bdops;
        md->disk->private_data = md;
        md->disk->queue = md->queue.queue;
-       md->disk->driverfs_dev = parent;
+       md->parent = parent;
        set_disk_ro(md->disk, md->read_only || default_ro);
        md->disk->flags = GENHD_FL_EXT_DEVT;
        if (area_type & (MMC_BLK_DATA_AREA_RPMB | MMC_BLK_DATA_AREA_BOOT))
@@ -2459,7 +2461,7 @@ static int mmc_add_disk(struct mmc_blk_data *md)
        int ret;
        struct mmc_card *card = md->queue.card;
 
-       add_disk(md->disk);
+       device_add_disk(md->parent, md->disk);
        md->force_ro.show = force_ro_show;
        md->force_ro.store = force_ro_store;
        sysfs_attr_init(&md->force_ro.attr);
@@ -2499,12 +2501,6 @@ force_ro_fail:
        return ret;
 }
 
-#define CID_MANFID_SANDISK     0x2
-#define CID_MANFID_TOSHIBA     0x11
-#define CID_MANFID_MICRON      0x13
-#define CID_MANFID_SAMSUNG     0x15
-#define CID_MANFID_KINGSTON    0x70
-
 static const struct mmc_fixup blk_fixups[] =
 {
        MMC_FIXUP("SEM02G", CID_MANFID_SANDISK, 0x100, add_quirk,