From: Haavard Skinnemoen <hskinnemoen@atmel.com>
To: David Brownell <david-b@pacbell.net>
Cc: Pierre Ossman <drzeus-list@drzeus.cx>,
linux-kernel@vger.kernel.org,
Shannon Nelson <shannon.nelson@intel.com>,
Dan Williams <dan.j.williams@intel.com>,
kernel@avr32linux.org, linux-arm-kernel@lists.arm.linux.org.uk
Subject: Re: [RFC 4/4] Atmel MCI: Driver for Atmel on-chip MMC controllers
Date: Sat, 24 Nov 2007 20:24:59 +0100 [thread overview]
Message-ID: <20071124202459.4780da17@siona> (raw)
In-Reply-To: <200711241048.39990.david-b@pacbell.net>
On Sat, 24 Nov 2007 10:48:39 -0800
David Brownell <david-b@pacbell.net> wrote:
> On Saturday 24 November 2007, Haavard Skinnemoen wrote:
> > >
> > > Why is this needed and is it perhaps something that can be moved
> > > to the MMC core?
> >
> > We used to have lots of problems with overruns and underruns and
> > those parameters were useful to limit the transfer rate. Now that
> > the RDPROOF and WRPROOF bits seem to have taken care of these
> > problems for good, I guess we can remove this parameter.
>
> Not all silicon *has* those bits though, right? Like at91rm9200.
Right. The at91rm9200 doesn't have them, and I believe one of the
at91sam926x chips (at91sam9261?) doesn't have them. So if we're going to
merge this driver with at91_mci, I suppose it makes sense to keep this
parameter.
Haavard
next prev parent reply other threads:[~2007-11-24 19:28 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-11-23 12:20 [RFC 0/4] dmaengine: Slave DMA interface and example users Haavard Skinnemoen
2007-11-23 12:20 ` [RFC 1/4] dmaengine: Add slave DMA interface Haavard Skinnemoen
2007-11-23 12:20 ` [RFC 2/4] dmaengine: Make DMA Engine menu visible for AVR32 users Haavard Skinnemoen
2007-11-23 12:20 ` [RFC 3/4] dmaengine: Driver for the Synopsys DesignWare DMA controller Haavard Skinnemoen
2007-11-23 12:20 ` [RFC 4/4] Atmel MCI: Driver for Atmel on-chip MMC controllers Haavard Skinnemoen
2007-11-24 17:00 ` Pierre Ossman
2007-11-24 18:16 ` Haavard Skinnemoen
2007-11-24 18:48 ` David Brownell
2007-11-24 19:24 ` Haavard Skinnemoen [this message]
2007-12-03 19:20 ` [RFC 1/4] dmaengine: Add slave DMA interface Dan Williams
2007-12-05 15:53 ` Haavard Skinnemoen
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