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

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Date:	Mon, 22 Dec 2014 11:22:39 -0800
From:	Andrew Bresticker <abrestic@...omium.org>
To:	Mark Brown <broonie@...nel.org>
Cc:	Sifan Naeem <sifan.naeem@...tec.com>, linux-spi@...r.kernel.org,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH 3/3] spi: img-spfi: Increase DMA burst size

On Mon, Dec 22, 2014 at 9:54 AM, Mark Brown <broonie@...nel.org> wrote:
>
> 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?

Yes, will do.
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