Re: MMC: Add 8-bit bus width support

From: Pierre Ossman
Date: Sun Nov 30 2008 - 14:12:12 EST


On Mon, 17 Nov 2008 14:35:21 +0200
Jarkko Lavinen <jarkko.lavinen@xxxxxxxxx> wrote:

> Hi Pierre
>
> Here is a patch which adds 8-bit bus width suport to the mmc
> driver common part.
>
> I've tested it with a test board with 8-bit eMMC device on Omap
> 3420 HSMMC controller. It speeds up DMA transfer from host to the
> card and most of the time is spent in busy polling for the card
> to become ready.
>

Patch looks ok. I'll see if I can do some testing here. Not sure my MMC
cards are fast enough to notice any difference though...

Rgds
--
-- Pierre Ossman

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