From: Maxime Ripard <maxime.ripard@free-electrons.com>
To: Alexandru Gagniuc <mr.nuke.me@gmail.com>
Cc: broonie@kernel.org, wens@csie.org, linux-spi@vger.kernel.org,
linux-arm-kernel@lists.infradead.org,
linux-kernel@vger.kernel.org
Subject: Re: [PATCH v7] spi: sun4i: Allow transfers larger than FIFO size
Date: Wed, 26 Oct 2016 10:55:28 +0200 [thread overview]
Message-ID: <20161026085528.vjjypbfmfbhvileb@lukather> (raw)
In-Reply-To: <1477465231-17704-1-git-send-email-mr.nuke.me@gmail.com>
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On Wed, Oct 26, 2016 at 12:00:30AM -0700, Alexandru Gagniuc wrote:
> This is the seventh attempt to get this patch in. I was prompted to look
> into this again as someone recently remarked:
>
> " cool, to bad spi does not work properly on allwinner..."
>
> Two and a half years ago, we were told this will all be handled with DMA.
> A year or so ago, we were told this will all be handled with DMA.
> A week or so ago, we were told this will all be handled with DMA.
>
> See the pattern?
> When DMA finally takes over, this fallback path is not mutually exclusive.
I definitely agree, and we had this patch in the CHIP kernel for quite
some time, working like a charm.
I was planning to respin it in the next few days, glad to see you took
care of it :)
Mark, any comments on this? For the record, it already has my Acked-by.
Thanks,
Maxime
--
Maxime Ripard, Free Electrons
Embedded Linux and Kernel engineering
http://free-electrons.com
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next prev parent reply other threads:[~2016-10-26 22:11 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 ` Maxime Ripard [this message]
2016-10-27 11:14 ` [PATCH v7] spi: sun4i: Allow transfers larger than FIFO size Mark Brown
2016-10-27 21:27 ` Maxime Ripard
2016-10-27 22:47 ` Mark Brown
2016-11-02 17:47 ` Maxime Ripard
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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