[U-Boot] [U-Boot, 1/2] mmc: stm32: sdmmc2: add hardware flow control support

[Tom Rini]

On Wed, Feb 07, 2018 at 05:19:58PM +0100, patrice.chotard at st.com wrote:

> From: Patrick Delaunay <patrick.delaunay at st.com>
> 
> The hardware flow control functionality is used to avoid
> FIFO underrun (TX mode) and overrun (RX mode) errors.
> The behavior is to stop SDMMC_CK during data transfer and
> freeze the SDMMC state machines.
> 
> Signed-off-by: Patrick Delaunay <patrick.delaunay at st.com>
> Signed-off-by: Patrice Chotard <patrice.chotard at st.com>

Applied to u-boot/master, thanks!

-- 
Tom
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