Hi Simon,
On Thu, Jun 8, 2017 at 3:13 PM, Simon Horman <horms+renesas@xxxxxxxxxxxx> wrote:
> R-Car Gen3 has a dedicated DMA controller for SDHI module. Since
> the DMAC is in a part of SDHI module and is not suitable as dmaengine,
the DMAC is part of the SDHI module?
> this patch adds a different code as tmio_mmc_dma_gen3.c.
adds different code?
> --- a/drivers/mmc/host/Kconfig
> +++ b/drivers/mmc/host/Kconfig
> @@ -575,10 +575,27 @@ config MMC_SDHI
> depends on SUPERH || ARM || ARM64
> depends on SUPERH || ARCH_RENESAS || COMPILE_TEST
> select MMC_TMIO_CORE
> + select MMC_SDHI_SYS_DMAC if (SUPERH || ARM)
> + select MMC_SDHI_INTERNAL_DMAC if ARM64
> help
> This provides support for the SDHI SD/SDIO controller found in
> Renesas SuperH, ARM and ARM64 based SoCs
>
> +config MMC_SDHI_SYS_DMAC
> + tristate "DMA support use of SYS DMAC with SDHI SD/SDIO controller"
DMA support for SYS_DMAC?
Gr{oetje,eeting}s,
Geert
--
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@xxxxxxxxxxxxxx
In personal conversations with technical people, I call myself a hacker. But
when I'm talking to journalists I just say "programmer" or something like that.
-- Linus Torvalds
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