From: Maxim Levitsky <maximlevitsky@gmail.com>
To: Vasily Khoruzhick <anarsoul@gmail.com>
Cc: linux-mmc@vger.kernel.org
Subject: Re: [PATCH v2] Enable DMA for Ricoh reader on Lenovo laptops
Date: Wed, 17 Feb 2010 02:35:35 +0200 [thread overview]
Message-ID: <1266366935.4820.0.camel@maxim-laptop> (raw)
In-Reply-To: <201002151820.45110.anarsoul@gmail.com>
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
next prev parent reply other threads:[~2010-02-17 0:35 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-02-01 9:10 [PATCH] Enable DMA for Ricoh reader on Lenovo laptops Vasily Khoruzhick
2010-02-02 16:17 ` [PATCH v2] " Vasily Khoruzhick
2010-02-13 22:38 ` Vasily Khoruzhick
2010-02-14 16:39 ` Maxim Levitsky
2010-02-14 23:06 ` Vasily Khoruzhick
2010-02-14 23:20 ` Maxim Levitsky
2010-02-15 9:49 ` Vasily Khoruzhick
2010-02-15 15:58 ` Maxim Levitsky
2010-02-15 16:20 ` Vasily Khoruzhick
2010-02-17 0:35 ` Maxim Levitsky [this message]
2010-02-20 8:49 ` Vasily Khoruzhick
2010-02-20 22:21 ` Maxim Levitsky
2010-02-24 20:00 ` Andrew Morton
2010-02-26 21:25 ` [PATCH] Subject: MMC: Enable DMA on Ricoh sdhci reader by default Maxim Levitsky
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