linux-kernel - Re: [PATCH] spi: sun6i: Allow transfers larger than FIFO size

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Date:   Tue, 7 Mar 2017 11:18:52 +0100
From:   Maxime Ripard <maxime.ripard@...e-electrons.com>
To:     Icenowy Zheng <icenowy@...c.xyz>
Cc:     Mark Brown <broonie@...nel.org>, Chen-Yu Tsai <wens@...e.org>,
        Alexandru Gagniuc <mr.nuke.me@...il.com>,
        linux-spi@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH] spi: sun6i: Allow transfers larger than FIFO size

On Mon, Mar 06, 2017 at 08:14:43PM +0800, Icenowy Zheng wrote:
> The spi-sun6i driver have the same problem that spi-sun4i used to have
> -- SPI transfers are limited to one FIFO depth.
> 
> This commit fixes this problem in the same way it's fixed in spi-sun4i.
> See commit 196737912da5 ("spi: sun4i: Allow transfers larger than FIFO size")
> for more information.
> 
> The sun6i SPI controllers features changeable interrupt trigger level, but I
> set it to 3/4 of fifo depth, as same as the the sun4i SPI controllers.
> 
> Signed-off-by: Icenowy Zheng <icenowy@...c.xyz>

Acked-by: Maxime Ripard <maxime.ripard@...e-electrons.com>

Maxime

-- 
Maxime Ripard, Free Electrons
Embedded Linux and Kernel engineering
http://free-electrons.com

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