From: maxime.ripard@free-electrons.com (Maxime Ripard)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH v7] spi: sun4i: Allow transfers larger than FIFO size
Date: Wed, 2 Nov 2016 18:47:53 +0100 [thread overview]
Message-ID: <20161102174753.elbukxnrc3x27xxc@lukather> (raw)
In-Reply-To: <20161027224712.GY25322@sirena.org.uk>
Hi Mark,
On Thu, Oct 27, 2016 at 11:47:12PM +0100, Mark Brown wrote:
> > > If the concern from the previous reviews to do with not using DMA is
> > > there some reason it's hard to do DMA?
>
> > I think just like Alexandru that it is orthogonal. But to really
> > answer, no, it's not difficult. There's just been some fundamental
> > disagreement on whether DMA was supposed to be optional or not that
> > stalled everything I guess.
>
> Oh, I seem to remember some patches adding DMA support that were doing
> some strange special snowflake thing with ignoring errors now that I
> think about it but that's not this one... why did nobody ever follow up
> on those?
I have no idea. I think last time we discussed this was last
July. Especially with this in now, there's probably no rush anyway.
Maxime
--
Maxime Ripard, Free Electrons
Embedded Linux and Kernel engineering
http://free-electrons.com
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next prev parent reply other threads:[~2016-11-02 17:47 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-10-26 7:00 [PATCH v7] spi: sun4i: Allow transfers larger than FIFO size Alexandru Gagniuc
2016-10-26 7:00 ` [PATCH] " Alexandru Gagniuc
2016-10-29 18:12 ` Applied "spi: sun4i: Allow transfers larger than FIFO size" to the spi tree Mark Brown
2016-10-26 8:55 ` [PATCH v7] spi: sun4i: Allow transfers larger than FIFO size Maxime Ripard
2016-10-27 11:14 ` Mark Brown
2016-10-27 21:27 ` Maxime Ripard
2016-10-27 22:47 ` Mark Brown
2016-11-02 17:47 ` Maxime Ripard [this message]
2016-10-26 10:07 ` Mark Brown
2016-10-26 16:06 ` Alex Gagniuc
2016-10-26 16:45 ` Mark Brown
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