linux-kernel - [PATCH v3 4/6] mmc: block: use mmc

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Message-Id: <20250716-mobileye-emmc-for-upstream-4-v3-4-dc979d8edef0@bootlin.com>
Date: Wed, 16 Jul 2025 17:47:15 +0200
From: Benoît Monin <benoit.monin@...tlin.com>
To: Ulf Hansson <ulf.hansson@...aro.org>, 
 Adrian Hunter <adrian.hunter@...el.com>
Cc: linux-mmc@...r.kernel.org, linux-kernel@...r.kernel.org, 
 Vladimir Kondratiev <vladimir.kondratiev@...ileye.com>, 
 Tawfik Bayouk <tawfik.bayouk@...ileye.com>, 
 Gregory CLEMENT <gregory.clement@...tlin.com>, 
 Thomas Petazzoni <thomas.petazzoni@...tlin.com>, 
 Benoît Monin <benoit.monin@...tlin.com>
Subject: [PATCH v3 4/6] mmc: block: use mmc_card cmd23 helpers

Use the dedicated helpers for CMD23 card support.

Signed-off-by: Benoît Monin <benoit.monin@...tlin.com>
---
 drivers/mmc/core/block.c | 12 +++---------
 1 file changed, 3 insertions(+), 9 deletions(-)

diff --git a/drivers/mmc/core/block.c b/drivers/mmc/core/block.c
index 9cc47bf94804b64a9cc60c7a5d95a0082d546ea9..8fd9891462054da8c00bdbb93e3414614441644d 100644
--- a/drivers/mmc/core/block.c
+++ b/drivers/mmc/core/block.c
@@ -1768,8 +1768,7 @@ static void mmc_blk_rw_rq_prep(struct mmc_queue_req *mqrq,
 	 * these, while retaining features like reliable writes.
 	 */
 	if ((md->flags & MMC_BLK_CMD23) && mmc_op_multi(brq->cmd.opcode) &&
-	    (do_rel_wr || !(card->quirks & MMC_QUIRK_BLK_NO_CMD23) ||
-	     do_data_tag)) {
+	    (do_rel_wr || !mmc_card_blk_no_cmd23(card) || do_data_tag)) {
 		brq->sbc.opcode = MMC_SET_BLOCK_COUNT;
 		brq->sbc.arg = brq->data.blocks |
 			(do_rel_wr ? (1 << 31) : 0) |
@@ -2618,13 +2617,8 @@ static struct mmc_blk_data *mmc_blk_alloc_req(struct mmc_card *card,
 	 */
 	md->read_only = mmc_blk_readonly(card);
 
-	if (mmc_host_can_cmd23(card->host)) {
-		if ((mmc_card_mmc(card) &&
-		     card->csd.mmca_vsn >= CSD_SPEC_VER_3) ||
-		    (mmc_card_sd(card) && !mmc_card_ult_capacity(card) &&
-		     card->scr.cmds & SD_SCR_CMD23_SUPPORT))
-			md->flags |= MMC_BLK_CMD23;
-	}
+	if (mmc_host_can_cmd23(card->host) && mmc_card_can_cmd23(card))
+		md->flags |= MMC_BLK_CMD23;
 
 	if (md->flags & MMC_BLK_CMD23 &&
 	    ((card->ext_csd.rel_param & EXT_CSD_WR_REL_PARAM_EN) ||

-- 
2.50.1