linux-kernel - RE: [PATCH 1/2] mtdpart: memory accessor interface for MTD layer

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Date:	Wed, 04 Aug 2010 11:12:05 +0100
From:	David Woodhouse <dwmw2@...radead.org>
To:	David Brownell <david-b@...bell.net>
Cc:	'Kevin Hilman' <khilman@...prootsystems.com>,
	Sudhakar Rajashekhara <sudhakar.raj@...com>,
	'Bernd Schmidt' <bernd.schmidt@...log.com>,
	'Nicolas Pitre' <nico@...xnic.net>,
	linux-kernel@...r.kernel.org,
	'David Howells' <dhowells@...hat.com>,
	'David Brownell' <dbrownell@...rs.sourceforge.net>,
	linux-mtd@...ts.infradead.org,
	'Andrew Morton' <akpm@...ux-foundation.org>
Subject: RE: [PATCH 1/2] mtdpart: memory accessor interface for MTD layer

On Wed, 2010-07-07 at 04:08 -0700, David Brownell wrote:
> 
> I think the short answer is that the callout is
> what provides the board drivers enough information
> to make the correct calls. 

I don't see how.

The only information it passes to the callout is the information it was
already *given* in the partition structure.

I'm more inclined to believe Sudhakar's claim that you'll get an
'initialization sequence problem', although I'm not sure I believe it
can't be solved in a better way than this.

I'm also unhappy that it only works on partitioned devices -- that seems
wrong.

-- 
David Woodhouse                            Open Source Technology Centre
David.Woodhouse@...el.com                              Intel Corporation


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