Commit ad41223b authored by Wolfram Sang's avatar Wolfram Sang Committed by Ulf Hansson
Browse files

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: default avatarWolfram Sang <wsa+renesas@sang-engineering.com>
Signed-off-by: default avatarUlf Hansson <ulf.hansson@linaro.org>
parent f7f37154

drivers/mmc/host/renesas_sdhi_internal_dmac.c

+2 −1
Original line number Diff line number Diff line
@@ -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,

drivers/mmc/host/renesas_sdhi_sys_dmac.c

+2 −1
Original line number Diff line number Diff line
@@ -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,