Re: [PATCH] mmc: mmci: Add new VE MMCI variant

Chris Ball
2013-01-24T12:57:39Z

Hi Pawel,

On Fri, Dec 14 2012, Pawel Moll wrote:
> The Versatile Express IOFPGA as shipped on VECD 5.0 (bitfiles v108/208
> and v116/216) contains a modified version of the PL180 MMCI, with
> PeriphID Configuration value changed to 0x2.
>
> This version adds an optional "hardware flow control" feature. When
> enabled MMC card clock will be automatically disabled when FIFO is
> about to over/underflow and re-enabled once the host retrieved some
> data. This makes the controller immune to over/underrun errors caused
> by big interrupt handling latencies.
>
> This patch adds relevant device variant in the driver.
>
> Signed-off-by: Pawel Moll <pawel.moll@arm.com>
> ---
> drivers/mmc/host/mmci.c | 13 +++++++++++++
> drivers/mmc/host/mmci.h | 2 ++
> 2 files changed, 15 insertions(+)

Thanks for the reminder -- Russell's been reviewing and merging MMCI
patches lately, please can you add it to his patch tracker?

- Chris.
--
Chris Ball <cjb@laptop.org> <http://printf.net/>
One Laptop Per Child