linux-kernel - Re: [PATCHv2 1/1] mtd: gpmi: make blockmark swapping optional

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Date:	Fri, 28 Mar 2014 18:09:10 +0800
From:	Huang Shijie <b32955@...escale.com>
To:	Lothar Waßmann <LW@...O-electronics.de>
CC:	Sascha Hauer <s.hauer@...gutronix.de>,
	Fabio Estevam <fabio.estevam@...escale.com>,
	Mark Rutland <mark.rutland@....com>,
	Brian Norris <computersforpeace@...il.com>,
	Russell King <linux@....linux.org.uk>,
	Pawel Moll <pawel.moll@....com>, Arnd Bergmann <arnd@...db.de>,
	Ian Campbell <ijc+devicetree@...lion.org.uk>,
	Artem Bityutskiy <artem.bityutskiy@...ux.intel.com>,
	<linux-doc@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
	<devicetree@...r.kernel.org>, Rob Herring <robh+dt@...nel.org>,
	<linux-mtd@...ts.infradead.org>,
	Shawn Guo <shawn.guo@...escale.com>,
	Rob Landley <rob@...dley.net>,
	Kumar Gala <galak@...eaurora.org>,
	Shawn Guo <shawn.guo@...aro.org>,
	David Woodhouse <dwmw2@...radead.org>,
	Sascha Hauer <kernel@...gutronix.de>,
	<linux-arm-kernel@...ts.infradead.org>
Subject: Re: [PATCHv2 1/1] mtd: gpmi: make blockmark swapping optional

于 2014年03月28日 17:31, Lothar Waßmann 写道:
> Hi,
>
> Huang Shijie wrote:
>> 于 2014年03月28日 17:00, Sascha Hauer 写道:
>>> - disables swapping of BB marks in the FCB the ROM won't swap bytes.
>> We can not disable the swapping in the FCB in the imx28.
>> The DISBBM bit in the FCB does _NOT_ exit in the imx28's FCB.
>>
> The Linux kernel does not have any business with the FCB, so it is
> completely irrelevant for Linux whether byte swapping can be disabled
> in the FCB or not.
>
But the gpmi is relevant to the ROM.
the gpmi driver should keep consistency with the ROM.

I do not object you add the swapping optional the gpmi driver(since it's 
ok for imx50/imx6q/imx6sx),
i just object that you enable this feature for imx28.



thanks
Huang Shijie

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