From: mika.westerberg@iki.fi (Mika Westerberg)
To: linux-arm-kernel@lists.infradead.org
Subject: ep93xx SPI driver v3
Date: Mon, 19 Apr 2010 09:48:09 +0300 [thread overview]
Message-ID: <20100419064809.GF19534@gw.healthdatacare.com> (raw)
In-Reply-To: <4BCB7148.5040600@bluewatersys.com>
On Mon, Apr 19, 2010 at 08:53:28AM +1200, Ryan Mallon wrote:
> Martin Guy wrote:
> > If we can get that working, a reasonable second stage would make it
> > work for ep93xx-SPI transfers, making SD card access even less
> > CPU-intensive
>
> Sine the M2M DMA support for the ep93xx is not in the mainline yet, I
> would be happy for the SPI driver to be merged without DMA support, and
> to have it added at a later date.
Yeah. This discussion actually referred to future improvements. We
can implement DMA support later on.
BTW: do you guys think that there is any real use of polling mode
in the driver or should I drop it out completely? I mean, if we are
going to add proper timeout / error reporting for polling, it makes
the driver more complex.
Thanks,
MW
next prev parent reply other threads:[~2010-04-19 6:48 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <20100415173905.GJ2685@gw.healthdatacare.com>
[not found] ` <j2u56d259a01004151645y47ec8254ree59189aaa6b5baa@mail.gmail.com>
[not found] ` <20100416042658.GK2685@gw.healthdatacare.com>
[not found] ` <l2p56d259a01004160211m17bc0f10gc63a5ca82436c8e3@mail.gmail.com>
[not found] ` <20100416094444.GC6718@gw.healthdatacare.com>
[not found] ` <p2l56d259a01004160455jdf290557yd102cf78d9f1252e@mail.gmail.com>
[not found] ` <20100416171032.GD6718@gw.healthdatacare.com>
2010-04-17 3:23 ` ep93xx SPI driver v3 Martin Guy
2010-04-17 5:15 ` Mika Westerberg
2010-04-18 20:53 ` Ryan Mallon
2010-04-19 6:48 ` Mika Westerberg [this message]
2010-04-19 9:25 ` Martin Guy
2010-04-19 9:55 ` Mika Westerberg
2010-04-19 19:38 ` Ryan Mallon
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