Re: [PATCH v2] Enable DMA for Ricoh reader on Lenovo laptops

Maxim Levitsky
2010-02-17T00:35:41Z

On Mon, 2010-02-15 at 18:20 +0200, Vasily Khoruzhick wrote:
> В сообщении от 15 февраля 2010 17:58:24 автор Maxim Levitsky написал:
> > Not sure if I need the SDHCI_QUIRK_CLOCK_BEFORE_RESET.
>
> Driver sometimes doesn't detect card without this quirk for me.
>
> > What I don't get is why DMA capability isn't advertised?
> >
> > Since xD and memstick portions do support DMA, I can't belive that they
> > don't use DMA in SD/SDHCI portion.
> >
> > Ah, I forgot that SDHCI is handled by microsoft driver.... Maybe it
> > doesn't test the DMA bits.
> >
> > If we were to follow the way MS driver works, we wouldn't need the
> > quirks, right?
>
> We need generic quirk for ricoh readers, see attached patch
>
> Regards
> Vasily
Tested-by: Maxim Levitsky <maximlevitsky@gmail.com>

Best regards,
Maxim Levitsky