linux-kernel - Re: [PATCH 00/16] mtd: nand: sunxi: various improvements/fixes

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Message-ID: <20160413172747.5b4a4502@bbrezillon>
Date:	Wed, 13 Apr 2016 17:27:47 +0200
From:	Boris Brezillon <boris.brezillon@...e-electrons.com>
To:	David Woodhouse <dwmw2@...radead.org>,
	Brian Norris <computersforpeace@...il.com>,
	linux-mtd@...ts.infradead.org
Cc:	linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
	Maxime Ripard <maxime.ripard@...e-electrons.com>,
	Chen-Yu Tsai <wens@...e.org>, linux-sunxi@...glegroups.com
Subject: Re: [PATCH 00/16] mtd: nand: sunxi: various improvements/fixes

On Mon,  7 Mar 2016 17:18:17 +0100
Boris Brezillon <boris.brezillon@...e-electrons.com> wrote:

> Hi,
> 
> This patchset aims at fixing a few minor bugs, and improving performances
> of NAND accesses going through the sunxi NAND controller.
> 
> Note that patch 5 exports functions provided by the core which are needed
> in patch 6 to still support raw OOB accesses. Other patches are just
> fixes or improvements only touching the sunxi driver itself.
> 
> Here are the main improvements:
> - queue CLE/ALE requests instead of forcing the controller to issue each
>   cmd and address cycle separately
> - benefit from ECC correction on protected OOB bytes
> - use polling instead of interrupt-based waiting (avoid scheduling
>   overhead for short wait period)

I'm applying this series since it only touches the sunxi NAND driver,
and I don't expect to have any external reviews :).

-- 
Boris Brezillon, Free Electrons
Embedded Linux and Kernel engineering
http://free-electrons.com