linux-kernel - [PATCH v2 2/2] mmc: renesas_sdhi: Enable 64-bit polling mode

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Message-ID: <20250727160731.106312-3-biju.das.jz@bp.renesas.com>
Date: Sun, 27 Jul 2025 17:07:27 +0100
From: Biju <biju.das.au@...il.com>
To: Wolfram Sang <wsa+renesas@...g-engineering.com>,
	Ulf Hansson <ulf.hansson@...aro.org>
Cc: Biju Das <biju.das.jz@...renesas.com>,
	linux-mmc@...r.kernel.org,
	linux-renesas-soc@...r.kernel.org,
	linux-kernel@...r.kernel.org,
	Geert Uytterhoeven <geert+renesas@...der.be>,
	Prabhakar Mahadev Lad <prabhakar.mahadev-lad.rj@...renesas.com>,
	Biju Das <biju.das.au@...il.com>
Subject: [PATCH v2 2/2] mmc: renesas_sdhi: Enable 64-bit polling mode

From: Biju Das <biju.das.jz@...renesas.com>

Enable 64-bit polling mode for R-Car gen3 and RZ/G2L SoCs.

Reviewed-by: Wolfram Sang <wsa+renesas@...g-engineering.com>
Tested-by: Wolfram Sang <wsa+renesas@...g-engineering.com>
Signed-off-by: Biju Das <biju.das.jz@...renesas.com>
---
RFT->v2:
 * Collected tags
---
 drivers/mmc/host/renesas_sdhi_internal_dmac.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/drivers/mmc/host/renesas_sdhi_internal_dmac.c b/drivers/mmc/host/renesas_sdhi_internal_dmac.c
index 4b389e92399e..9e3ed0bcddd6 100644
--- a/drivers/mmc/host/renesas_sdhi_internal_dmac.c
+++ b/drivers/mmc/host/renesas_sdhi_internal_dmac.c
@@ -107,7 +107,8 @@ static const struct renesas_sdhi_of_data of_data_rza2 = {
 
 static const struct renesas_sdhi_of_data of_data_rcar_gen3 = {
 	.tmio_flags	= TMIO_MMC_HAS_IDLE_WAIT | TMIO_MMC_CLK_ACTUAL |
-			  TMIO_MMC_HAVE_CBSY | TMIO_MMC_MIN_RCAR2,
+			  TMIO_MMC_HAVE_CBSY | TMIO_MMC_MIN_RCAR2 |
+			  TMIO_MMC_64BIT_DATA_PORT,
 	.capabilities	= MMC_CAP_SD_HIGHSPEED | MMC_CAP_SDIO_IRQ |
 			  MMC_CAP_CMD23 | MMC_CAP_WAIT_WHILE_BUSY,
 	.capabilities2	= MMC_CAP2_NO_WRITE_PROTECT | MMC_CAP2_MERGE_CAPABLE,
-- 
2.43.0