[U-Boot] [PATCH v5 1/4] mmc: mmc_spi: Use SPI_XFER_BEGIN and SPI_XFER_END flags

[Jagan Teki]

On Wed, Jul 17, 2019 at 9:20 AM Anup Patel <Anup.Patel at wdc.com> wrote:
>
> Most DM based SPI host controller drivers use SPI_XFER_BEGIN and
> SPI_XFER_END flags to enable/disable slave chip select.
>
> This patch extends MMC SPI driver to pass SPI_XFER_BEGIN flag when
> MMC command is send at start and pass SPI_XFER_END flag using a
> dummy transfer (of bitlen = 0) at the end of MMC command.
>
> Suggested-by: Jagan Teki <jagan at amarulasolutions.com>
> Signed-off-by: Anup Patel <anup.patel at wdc.com>

Reviewed-by: Jagan Teki <jagan at amarulasolutions.com>