linux-kernel - Re: [PATCH v6] ARM: sun4i: spi: Allow transfers larger than FIFO size

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Message-ID: <20160721112701.GB6610@weiser.dinsnail.net>
Date:	Thu, 21 Jul 2016 13:27:01 +0200
From:	Michael Weiser <michael.weiser@....de>
To:	Olliver Schinagl <oliver@...inagl.nl>
Cc:	Mark Brown <broonie@...nel.org>,
	Maxime Ripard <maxime.ripard@...e-electrons.com>,
	dev@...ux-sunxi.org, linux-kernel@...r.kernel.org,
	linux-spi@...r.kernel.org, linux-arm-kernel@...ts.infradead.org
Subject: Re: [PATCH v6] ARM: sun4i: spi: Allow transfers larger than FIFO size

Hi all,

On Sat, Aug 08, 2015 at 09:41:51PM +0200, Olliver Schinagl wrote:

> Alexandru sent this patch over a year and a half ago, and I believe several
> tree's have been carrying it since. We've been using this patch on an
> Olimex OLinuxIno Lime1 and Lime2 using the mmc-spi driver to access SD cards
> without problems. So bumping this and adding my

I also have a need for this addition since it makes an ENC28J60 SPI
ethernet controller work on the Cubieboard2. I've successfully tested it
with 4.6.3 where it still applies cleanly.

(There's is a very minor conflict when applying against current Linus
master (EINVAL was changed to EMSGSIZE). I can supply a rebased version
if so desired.)

What is keeping the patch from being merged (i.e. into mainline)?

Thanks!
Michael

> Tested-by: Olliver Schinagl <oliver@...inagl.nl>

Tested-by: Michael Weiser <michael.weiser@....de>

> Changes from v5as warned by checkpatch. No functional changes.
>  * Added some newlines to make checkpatch happy. No functional changes.

> Changes from v4:
>  * use min3() instead of two if statements in sun4i_spi_fill_fifo()
>  * fix trivial whitespace issue in if statement in sun4i_spi_handler()
>  * use consistent style in assigning 'reg' in the added functions.

> Alexandru Gagniuc (1):
>   ARM: sun4i: spi: Allow transfers larger than FIFO size

>  drivers/spi/spi-sun4i.c | 76 +++++++++++++++++++++++++++++++++++++++++++------
>  1 file changed, 67 insertions(+), 9 deletions(-)
-- 
Thanks,
Michael