linux-kernel - Re: [PATCH v4 1/5] spi: introduce accelerated read support for spi flash devices

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Date:	Wed, 2 Dec 2015 19:41:25 +0000
From:	Mark Brown <broonie@...nel.org>
To:	Vignesh R <vigneshr@...com>
Cc:	Tony Lindgren <tony@...mide.com>,
	Brian Norris <computersforpeace@...il.com>,
	Rob Herring <robh+dt@...nel.org>,
	Russell King <linux@....linux.org.uk>, hramrach@...il.com,
	devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
	linux-omap@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
	linux-mtd@...ts.infradead.org, linux-spi@...r.kernel.org
Subject: Re: [PATCH v4 1/5] spi: introduce accelerated read support for spi
 flash devices

On Mon, Nov 30, 2015 at 10:45:11AM +0530, Vignesh R wrote:
> In addition to providing direct access to SPI bus, some spi controller
> hardwares (like ti-qspi) provide special port (like memory mapped port)
> that are optimized to improve SPI flash read performance.

I'm reasonably OK with this from the SPI side but I'd really like to see
people working on MTD say that this makes sense.

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