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Commit fbfbcf8e authored by Maya Erez's avatar Maya Erez
Browse files

mmc: card: stop BKOPS in mmc_blk_cmdq_issue_rq 



In case there are no pending requests, runtime idle API can be
invoked and start manual BKOPS.
We need to check if manual BKOPS is enabled on the device and stop
it before serving new incoming requests in CQ mode.

Change-Id: I870eff40ea9fa91eedb4c0d2600c32d8534a3868
Signed-off-by: default avatarMaya Erez <merez@codeaurora.org>
parent ee630a97

drivers/mmc/card/block.c

+24 −5
Original line number Diff line number Diff line
@@ -3340,14 +3340,27 @@ static int mmc_blk_cmdq_issue_rq(struct mmc_queue *mq, struct request *req) 
	unsigned int cmd_flags = req ? req->cmd_flags : 0;



	mmc_get_card(card);



	if (!card->host->cmdq_ctx.active_reqs && mmc_card_doing_bkops(card)) {

		ret = mmc_cmdq_halt(card->host, true);

		if (ret)

			goto out;

		ret = mmc_stop_bkops(card);

		if (ret) {

			pr_err("%s: %s: mmc_stop_bkops failed %d\n",

					md->disk->disk_name, __func__, ret);

			goto out;

		}

		ret = mmc_cmdq_halt(card->host, false);

		if (ret)

			goto out;

	}



	ret = mmc_blk_cmdq_part_switch(card, md);

	if (ret) {

		pr_err("%s: %s: partition switch failed %d\n",

				md->disk->disk_name, __func__, ret);

		if (req)

			blk_end_request_all(req, ret);

		mmc_put_card(card);

		goto switch_failure;

		goto out;

	}



	if (req) {
@@ -3364,7 +3377,13 @@ static int mmc_blk_cmdq_issue_rq(struct mmc_queue *mq, struct request *req) 
		}

	}



switch_failure:

	return ret;



out:

	if (req)

		blk_end_request_all(req, ret);

	mmc_put_card(card);



	return ret;

}