linux-kernel - Re: [RFC PATCH v2 08/14] mtd: nand: add sunxi NAND flash controller support

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Message-ID: <20140129191005.GG1427@obsidianresearch.com>
Date:	Wed, 29 Jan 2014 12:10:05 -0700
From:	Jason Gunthorpe <jgunthorpe@...idianresearch.com>
To:	Ezequiel Garcia <ezequiel.garcia@...e-electrons.com>
Cc:	Boris BREZILLON <b.brezillon.dev@...il.com>,
	devicetree@...r.kernel.org, Russell King <linux@....linux.org.uk>,
	Arnd Bergmann <arnd@...db.de>, linux-doc@...r.kernel.org,
	dev@...ux-sunxi.org, linux-kernel@...r.kernel.org,
	linux-mtd@...ts.infradead.org, Rob Landley <rob@...dley.net>,
	Grant Likely <grant.likely@...aro.org>,
	Maxime Ripard <maxime.ripard@...e-electrons.com>,
	Brian Norris <computersforpeace@...il.com>,
	David Woodhouse <dwmw2@...radead.org>,
	linux-arm-kernel@...ts.infradead.org
Subject: Re: [RFC PATCH v2 08/14] mtd: nand: add sunxi NAND flash controller
 support

On Wed, Jan 29, 2014 at 03:46:20PM -0300, Ezequiel Garcia wrote:

> After CE# has been pulled high and then transitioned low again, the host
> should issue a Set Features to select the appropriate asynchronous timing mode.
> """

Oh, I had forgot you should do a set feature too

Boris, I think the core core should handle this dance and the driver
should just implement a call back to change the timing mode on the
interface..

If I ever get a moment I can work on support for timing setting in the
mvebu driver, I have boards here with ONFI NAND..

Regards,
Jason
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