Re: [PATCH v3] mmc-omap: Add support for 16-bit and 32-bit registers

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2009/11/23 Ladislav Michl <Ladislav.Michl@xxxxxxxxx>:

> And sorry to ask again. This very driver works reliable and there are no
> timeouts like this
> mmci-omap mmci-omap.0: command timeout (CMD8)
> mmci-omap mmci-omap.0: command timeout (CMD5)
> mmci-omap mmci-omap.0: command timeout (CMD5)
> mmci-omap mmci-omap.0: command timeout (CMD5)
> mmci-omap mmci-omap.0: command timeout (CMD5)
> mmci-omap mmci-omap.0: command timeout (CMD55)
> mmci-omap mmci-omap.0: command timeout (CMD55)
> mmci-omap mmci-omap.0: command timeout (CMD55)
> mmci-omap mmci-omap.0: command timeout (CMD55)
> while detecting MMC card on OMAP730? (because I can see them on 5910). This question
> is unrelated to your patch.
>

Yes, this driver (after patching) works reliably on OMAP7XX. The
CMD5/8 timeouts seem normal and non-fatal. CMD55 is the "init" command
that has to work. We had an old problem causing output just like what
you report - it turned out we missed a GPIO to power up the MMC card.

-- 
Alistair Buxton
a.j.buxton@xxxxxxxxx
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