diff options
Diffstat (limited to 'drivers/mmc/host/mmc_hsq.c')
| -rw-r--r-- | drivers/mmc/host/mmc_hsq.c | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/drivers/mmc/host/mmc_hsq.c b/drivers/mmc/host/mmc_hsq.c index 424dc7b078..79836705c1 100644 --- a/drivers/mmc/host/mmc_hsq.c +++ b/drivers/mmc/host/mmc_hsq.c @@ -21,6 +21,25 @@ static void mmc_hsq_retry_handler(struct work_struct *work) mmc->ops->request(mmc, hsq->mrq); } +static void mmc_hsq_modify_threshold(struct mmc_hsq *hsq) +{ + struct mmc_host *mmc = hsq->mmc; + struct mmc_request *mrq; + unsigned int tag, need_change = 0; + + mmc->hsq_depth = HSQ_NORMAL_DEPTH; + for (tag = 0; tag < HSQ_NUM_SLOTS; tag++) { + mrq = hsq->slot[tag].mrq; + if (mrq && mrq->data && + (mrq->data->blksz * mrq->data->blocks == 4096) && + (mrq->data->flags & MMC_DATA_WRITE) && + (++need_change == 2)) { + mmc->hsq_depth = HSQ_PERFORMANCE_DEPTH; + break; + } + } +} + static void mmc_hsq_pump_requests(struct mmc_hsq *hsq) { struct mmc_host *mmc = hsq->mmc; @@ -42,6 +61,8 @@ static void mmc_hsq_pump_requests(struct mmc_hsq *hsq) return; } + mmc_hsq_modify_threshold(hsq); + slot = &hsq->slot[hsq->next_tag]; hsq->mrq = slot->mrq; hsq->qcnt--; @@ -337,6 +358,7 @@ int mmc_hsq_init(struct mmc_hsq *hsq, struct mmc_host *mmc) hsq->mmc = mmc; hsq->mmc->cqe_private = hsq; mmc->cqe_ops = &mmc_hsq_ops; + mmc->hsq_depth = HSQ_NORMAL_DEPTH; for (i = 0; i < HSQ_NUM_SLOTS; i++) hsq->tag_slot[i] = HSQ_INVALID_TAG; |