linux-kernel - Re: [PATCH 3/3] spi: img-spfi: Increase DMA burst size

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Message-ID: <20141222175423.GE17800@sirena.org.uk>
Date:	Mon, 22 Dec 2014 17:54:23 +0000
From:	Mark Brown <broonie@...nel.org>
To:	Andrew Bresticker <abrestic@...omium.org>
Cc:	Sifan Naeem <sifan.naeem@...tec.com>, linux-spi@...r.kernel.org,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH 3/3] spi: img-spfi: Increase DMA burst size

On Tue, Dec 16, 2014 at 01:05:46PM -0800, Andrew Bresticker wrote:

> A 1-byte burst size is rather inefficient and has been shown to cause
> TX issues during testing.  Increase the DMA burst size to 4-bytes for
> both RX and TX DMA when using the 8-bit FIFO.

This sounds like a fix for transmit issues so should go before patch 2
(which seems like it is a performance improvement rather than a bug fix)
but it depends on that patch - can you respin in the opposite order
please?

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