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git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
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 <wsa+renesas@sang-engineering.com>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
authored by
Wolfram Sang
and committed by
Ulf Hansson
ad41223b
f7f37154
+4
-2
+2
-1
drivers/mmc/host/renesas_sdhi_internal_dmac.c
+2
-1
drivers/mmc/host/renesas_sdhi_internal_dmac.c
···
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static const struct renesas_sdhi_of_data of_data_rcar_gen3_no_sdh_fallback = {
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.tmio_flags = TMIO_MMC_HAS_IDLE_WAIT | TMIO_MMC_CLK_ACTUAL |
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-
TMIO_MMC_HAVE_CBSY | TMIO_MMC_MIN_RCAR2,
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+
TMIO_MMC_HAVE_CBSY | TMIO_MMC_MIN_RCAR2 |
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+
TMIO_MMC_64BIT_DATA_PORT,
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.capabilities = MMC_CAP_SD_HIGHSPEED | MMC_CAP_SDIO_IRQ |
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MMC_CAP_CMD23 | MMC_CAP_WAIT_WHILE_BUSY,
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.capabilities2 = MMC_CAP2_NO_WRITE_PROTECT | MMC_CAP2_MERGE_CAPABLE,
+2
-1
drivers/mmc/host/renesas_sdhi_sys_dmac.c
+2
-1
drivers/mmc/host/renesas_sdhi_sys_dmac.c
···
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static const struct renesas_sdhi_of_data of_rcar_gen2_compatible = {
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.tmio_flags = TMIO_MMC_HAS_IDLE_WAIT | TMIO_MMC_CLK_ACTUAL |
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-
TMIO_MMC_HAVE_CBSY | TMIO_MMC_MIN_RCAR2,
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+
TMIO_MMC_HAVE_CBSY | TMIO_MMC_MIN_RCAR2 |
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+
TMIO_MMC_32BIT_DATA_PORT,
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.capabilities = MMC_CAP_SD_HIGHSPEED | MMC_CAP_SDIO_IRQ |
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MMC_CAP_CMD23 | MMC_CAP_WAIT_WHILE_BUSY,
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.capabilities2 = MMC_CAP2_NO_WRITE_PROTECT,