[RFC PATCH 1/2] remove field use_cqe in mmc_queue

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Remove usage of use_cqe parameter in mmc_queue
and use more appropriate mmc_host->cqe_enabled

Signed-off-by: Luca Porzio <lporzio@xxxxxxxxxx>
Signed-off-by: Zhan Liu <zliua@xxxxxxxxxx>
---
 drivers/mmc/core/block.c |  7 ++++---
 drivers/mmc/core/queue.c | 11 +++++------
 drivers/mmc/core/queue.h |  1 -
 3 files changed, 9 insertions(+), 10 deletions(-)

diff --git a/drivers/mmc/core/block.c b/drivers/mmc/core/block.c
index b877f62df366..08b3c4c4b9f6 100644
--- a/drivers/mmc/core/block.c
+++ b/drivers/mmc/core/block.c
@@ -1933,8 +1933,9 @@ static void mmc_blk_hsq_req_done(struct mmc_request *mrq)
 void mmc_blk_mq_complete(struct request *req)
 {
 	struct mmc_queue *mq = req->q->queuedata;
+	struct mmc_host *host = mq->card->host;
 
-	if (mq->use_cqe)
+	if (host->cqe_enabled)
 		mmc_blk_cqe_complete_rq(mq, req);
 	else if (likely(!blk_should_fake_timeout(req->q)))
 		mmc_blk_mq_complete_rq(mq, req);
@@ -2179,7 +2180,7 @@ static int mmc_blk_mq_issue_rw_rq(struct mmc_queue *mq,
 
 static int mmc_blk_wait_for_idle(struct mmc_queue *mq, struct mmc_host *host)
 {
-	if (mq->use_cqe)
+	if (host->cqe_enabled)
 		return host->cqe_ops->cqe_wait_for_idle(host);
 
 	return mmc_blk_rw_wait(mq, NULL);
@@ -2228,7 +2229,7 @@ enum mmc_issued mmc_blk_mq_issue_rq(struct mmc_queue *mq, struct request *req)
 			break;
 		case REQ_OP_READ:
 		case REQ_OP_WRITE:
-			if (mq->use_cqe)
+			if (host->cqe_enabled)
 				ret = mmc_blk_cqe_issue_rw_rq(mq, req);
 			else
 				ret = mmc_blk_mq_issue_rw_rq(mq, req);
diff --git a/drivers/mmc/core/queue.c b/drivers/mmc/core/queue.c
index 27d2b8ed9484..d600e0a4a460 100644
--- a/drivers/mmc/core/queue.c
+++ b/drivers/mmc/core/queue.c
@@ -60,7 +60,7 @@ enum mmc_issue_type mmc_issue_type(struct mmc_queue *mq, struct request *req)
 {
 	struct mmc_host *host = mq->card->host;
 
-	if (mq->use_cqe && !host->hsq_enabled)
+	if (host->cqe_enabled && !host->hsq_enabled)
 		return mmc_cqe_issue_type(host, req);
 
 	if (req_op(req) == REQ_OP_READ || req_op(req) == REQ_OP_WRITE)
@@ -127,7 +127,7 @@ static enum blk_eh_timer_return mmc_mq_timed_out(struct request *req,
 	bool ignore_tout;
 
 	spin_lock_irqsave(&mq->lock, flags);
-	ignore_tout = mq->recovery_needed || !mq->use_cqe || host->hsq_enabled;
+	ignore_tout = mq->recovery_needed || !host->cqe_enabled || host->hsq_enabled;
 	spin_unlock_irqrestore(&mq->lock, flags);
 
 	return ignore_tout ? BLK_EH_RESET_TIMER : mmc_cqe_timed_out(req);
@@ -144,7 +144,7 @@ static void mmc_mq_recovery_handler(struct work_struct *work)
 
 	mq->in_recovery = true;
 
-	if (mq->use_cqe && !host->hsq_enabled)
+	if (host->cqe_enabled && !host->hsq_enabled)
 		mmc_blk_cqe_recovery(mq);
 	else
 		mmc_blk_mq_recovery(mq);
@@ -315,7 +315,7 @@ static blk_status_t mmc_mq_queue_rq(struct blk_mq_hw_ctx *hctx,
 	if (get_card)
 		mmc_get_card(card, &mq->ctx);
 
-	if (mq->use_cqe) {
+	if (host->cqe_enabled) {
 		host->retune_now = host->need_retune && cqe_retune_ok &&
 				   !host->hold_retune;
 	}
@@ -430,7 +430,6 @@ int mmc_init_queue(struct mmc_queue *mq, struct mmc_card *card)
 	int ret;
 
 	mq->card = card;
-	mq->use_cqe = host->cqe_enabled;
 	
 	spin_lock_init(&mq->lock);
 
@@ -440,7 +439,7 @@ int mmc_init_queue(struct mmc_queue *mq, struct mmc_card *card)
 	 * The queue depth for CQE must match the hardware because the request
 	 * tag is used to index the hardware queue.
 	 */
-	if (mq->use_cqe && !host->hsq_enabled)
+	if (host->cqe_enabled && !host->hsq_enabled)
 		mq->tag_set.queue_depth =
 			min_t(int, card->ext_csd.cmdq_depth, host->cqe_qdepth);
 	else
diff --git a/drivers/mmc/core/queue.h b/drivers/mmc/core/queue.h
index 57c59b6cb1b9..3319d8ab57d0 100644
--- a/drivers/mmc/core/queue.h
+++ b/drivers/mmc/core/queue.h
@@ -82,7 +82,6 @@ struct mmc_queue {
 	unsigned int		cqe_busy;
 #define MMC_CQE_DCMD_BUSY	BIT(0)
 	bool			busy;
-	bool			use_cqe;
 	bool			recovery_needed;
 	bool			in_recovery;
 	bool			rw_wait;
-- 
2.17.1




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