linux-kernel - Re: [PATCH] spi: spidev: Use separate TX and RX bounce buffers

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Message-ID: <543C92FF.80201@broadcom.com>
Date:	Mon, 13 Oct 2014 20:05:35 -0700
From:	Ray Jui <rjui@...adcom.com>
To:	Mark Brown <broonie@...nel.org>
CC:	<linux-spi@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
	JD Zheng <jdzheng@...adcom.com>,
	Scott Branden <sbranden@...adcom.com>,
	"Geert Uytterhoeven" <geert.uytterhoeven@...il.com>
Subject: Re: [PATCH] spi: spidev: Use separate TX and RX bounce buffers

On 10/13/2014 4:07 AM, Mark Brown wrote:
> On Thu, Oct 09, 2014 at 11:19:25AM -0700, Ray Jui wrote:
>> By using separate TX and RX bounce buffers, we avoid potential cache
>> flush and invalidation sequence issue that may be encountered when a
>> single bounce buffer is shared between TX and RX
>
> Applied, thanks.
>
Thanks, Mark.
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