diff options
Diffstat (limited to 'drivers/mmc/core/block.c')
| -rw-r--r-- | drivers/mmc/core/block.c | 41 |
1 files changed, 21 insertions, 20 deletions
diff --git a/drivers/mmc/core/block.c b/drivers/mmc/core/block.c index c35b5b08bb33..62e7619d5a4d 100644 --- a/drivers/mmc/core/block.c +++ b/drivers/mmc/core/block.c @@ -100,7 +100,6 @@ static DEFINE_IDA(mmc_rpmb_ida); * There is one mmc_blk_data per slot. */ struct mmc_blk_data { - spinlock_t lock; struct device *parent; struct gendisk *disk; struct mmc_queue queue; @@ -472,7 +471,7 @@ out: static int __mmc_blk_ioctl_cmd(struct mmc_card *card, struct mmc_blk_data *md, struct mmc_blk_ioc_data *idata) { - struct mmc_command cmd = {}; + struct mmc_command cmd = {}, sbc = {}; struct mmc_data data = {}; struct mmc_request mrq = {}; struct scatterlist sg; @@ -550,10 +549,15 @@ static int __mmc_blk_ioctl_cmd(struct mmc_card *card, struct mmc_blk_data *md, } if (idata->rpmb) { - err = mmc_set_blockcount(card, data.blocks, - idata->ic.write_flag & (1 << 31)); - if (err) - return err; + sbc.opcode = MMC_SET_BLOCK_COUNT; + /* + * We don't do any blockcount validation because the max size + * may be increased by a future standard. We just copy the + * 'Reliable Write' bit here. + */ + sbc.arg = data.blocks | (idata->ic.write_flag & BIT(31)); + sbc.flags = MMC_RSP_R1 | MMC_CMD_AC; + mrq.sbc = &sbc; } if ((MMC_EXTRACT_INDEX_FROM_ARG(cmd.arg) == EXT_CSD_SANITIZE_START) && @@ -1483,7 +1487,7 @@ static void mmc_blk_cqe_complete_rq(struct mmc_queue *mq, struct request *req) blk_mq_end_request(req, BLK_STS_OK); } - spin_lock_irqsave(q->queue_lock, flags); + spin_lock_irqsave(&mq->lock, flags); mq->in_flight[mmc_issue_type(mq, req)] -= 1; @@ -1491,7 +1495,7 @@ static void mmc_blk_cqe_complete_rq(struct mmc_queue *mq, struct request *req) mmc_cqe_check_busy(mq); - spin_unlock_irqrestore(q->queue_lock, flags); + spin_unlock_irqrestore(&mq->lock, flags); if (!mq->cqe_busy) blk_mq_run_hw_queues(q, true); @@ -1988,17 +1992,16 @@ static void mmc_blk_mq_poll_completion(struct mmc_queue *mq, static void mmc_blk_mq_dec_in_flight(struct mmc_queue *mq, struct request *req) { - struct request_queue *q = req->q; unsigned long flags; bool put_card; - spin_lock_irqsave(q->queue_lock, flags); + spin_lock_irqsave(&mq->lock, flags); mq->in_flight[mmc_issue_type(mq, req)] -= 1; put_card = (mmc_tot_in_flight(mq) == 0); - spin_unlock_irqrestore(q->queue_lock, flags); + spin_unlock_irqrestore(&mq->lock, flags); if (put_card) mmc_put_card(mq->card, &mq->ctx); @@ -2094,11 +2097,11 @@ static void mmc_blk_mq_req_done(struct mmc_request *mrq) * request does not need to wait (although it does need to * complete complete_req first). */ - spin_lock_irqsave(q->queue_lock, flags); + spin_lock_irqsave(&mq->lock, flags); mq->complete_req = req; mq->rw_wait = false; waiting = mq->waiting; - spin_unlock_irqrestore(q->queue_lock, flags); + spin_unlock_irqrestore(&mq->lock, flags); /* * If 'waiting' then the waiting task will complete this @@ -2117,10 +2120,10 @@ static void mmc_blk_mq_req_done(struct mmc_request *mrq) /* Take the recovery path for errors or urgent background operations */ if (mmc_blk_rq_error(&mqrq->brq) || mmc_blk_urgent_bkops_needed(mq, mqrq)) { - spin_lock_irqsave(q->queue_lock, flags); + spin_lock_irqsave(&mq->lock, flags); mq->recovery_needed = true; mq->recovery_req = req; - spin_unlock_irqrestore(q->queue_lock, flags); + spin_unlock_irqrestore(&mq->lock, flags); wake_up(&mq->wait); schedule_work(&mq->recovery_work); return; @@ -2136,7 +2139,6 @@ static void mmc_blk_mq_req_done(struct mmc_request *mrq) static bool mmc_blk_rw_wait_cond(struct mmc_queue *mq, int *err) { - struct request_queue *q = mq->queue; unsigned long flags; bool done; @@ -2144,7 +2146,7 @@ static bool mmc_blk_rw_wait_cond(struct mmc_queue *mq, int *err) * Wait while there is another request in progress, but not if recovery * is needed. Also indicate whether there is a request waiting to start. */ - spin_lock_irqsave(q->queue_lock, flags); + spin_lock_irqsave(&mq->lock, flags); if (mq->recovery_needed) { *err = -EBUSY; done = true; @@ -2152,7 +2154,7 @@ static bool mmc_blk_rw_wait_cond(struct mmc_queue *mq, int *err) done = !mq->rw_wait; } mq->waiting = !done; - spin_unlock_irqrestore(q->queue_lock, flags); + spin_unlock_irqrestore(&mq->lock, flags); return done; } @@ -2329,12 +2331,11 @@ static struct mmc_blk_data *mmc_blk_alloc_req(struct mmc_card *card, goto err_kfree; } - spin_lock_init(&md->lock); INIT_LIST_HEAD(&md->part); INIT_LIST_HEAD(&md->rpmbs); md->usage = 1; - ret = mmc_init_queue(&md->queue, card, &md->lock, subname); + ret = mmc_init_queue(&md->queue, card); if (ret) goto err_putdisk; |