From ad41223b185a0e72bfb7a8de7b20c6b1dff239f5 Mon Sep 17 00:00:00 2001 From: Wolfram Sang Date: Tue, 23 Sep 2025 18:17:19 +0200 Subject: [PATCH] mmc: renesas_sdhi: enable bigger data ports where available 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 Signed-off-by: Ulf Hansson --- drivers/mmc/host/renesas_sdhi_internal_dmac.c | 3 ++- drivers/mmc/host/renesas_sdhi_sys_dmac.c | 3 ++- 2 files changed, 4 insertions(+), 2 deletions(-) diff --git a/drivers/mmc/host/renesas_sdhi_internal_dmac.c b/drivers/mmc/host/renesas_sdhi_internal_dmac.c index 9e3ed0bcddd6c..73c84fd8a2d80 100644 --- a/drivers/mmc/host/renesas_sdhi_internal_dmac.c +++ b/drivers/mmc/host/renesas_sdhi_internal_dmac.c @@ -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, diff --git a/drivers/mmc/host/renesas_sdhi_sys_dmac.c b/drivers/mmc/host/renesas_sdhi_sys_dmac.c index 822a310c9bbae..543ad1d0ed1cf 100644 --- a/drivers/mmc/host/renesas_sdhi_sys_dmac.c +++ b/drivers/mmc/host/renesas_sdhi_sys_dmac.c @@ -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, -- 2.47.3