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mmc: renesas_sdhi: enable bigger data ports where available

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R-Car Gen2 SoCs have a 32 bit dataport, V3M even 64 bit. Make use of
the bigger size in the rare case DMA is failing.

Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
This commit is contained in:
Wolfram Sang
2025-09-23 18:17:19 +02:00
committed by Ulf Hansson
parent f7f3715488
commit ad41223b18
2 changed files with 4 additions and 2 deletions
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3
drivers/mmc/host/renesas_sdhi_internal_dmac.c
View File

@@ -124,7 +124,8 @@ static const struct renesas_sdhi_of_data of_data_rcar_gen3 = {
static const struct renesas_sdhi_of_data of_data_rcar_gen3_no_sdh_fallback = {
.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,

3
drivers/mmc/host/renesas_sdhi_sys_dmac.c
View File

@@ -60,7 +60,8 @@ static struct renesas_sdhi_scc rcar_gen2_scc_taps[] = {
static const struct renesas_sdhi_of_data of_rcar_gen2_compatible = {
.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_32BIT_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,