linux-kernel - Re: [PATCH] mtd: gpmi: make blockmark swapping optional

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Message-ID: <532BCFCC.4080205@freescale.com>
Date:	Fri, 21 Mar 2014 13:36:12 +0800
From:	Huang Shijie <b32955@...escale.com>
To:	<y@...o-electronics.de>
CC:	Arnd Bergmann <arnd@...db.de>,
	Artem Bityutskiy <artem.bityutskiy@...ux.intel.com>,
	Brian Norris <computersforpeace@...il.com>,
	David Woodhouse <dwmw2@...radead.org>,
	Fabio Estevam <fabio.estevam@...escale.com>,
	Ian Campbell <ijc+devicetree@...lion.org.uk>,
	Kumar Gala <galak@...eaurora.org>,
	Lothar Waßmann <LW@...o-electronics.de>,
	Mark Rutland <mark.rutland@....com>,
	Pawel Moll <pawel.moll@....com>,
	Rob Herring <robh+dt@...nel.org>,
	Rob Landley <rob@...dley.net>,
	Russell King <linux@....linux.org.uk>,
	Sascha Hauer <kernel@...gutronix.de>,
	Shawn Guo <shawn.guo@...escale.com>,
	<devicetree@...r.kernel.org>,
	<linux-arm-kernel@...ts.infradead.org>,
	<linux-doc@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
	<linux-mtd@...ts.infradead.org>
Subject: Re: [PATCH] mtd: gpmi: make blockmark swapping optional

于 2014年03月19日 21:23, y@...o-electronics.de 写道:
> +	/* Set up swap_block_mark, must be set before the gpmi_set_geometry() */
> +	if (!of_property_read_bool(this->dev->of_node, "fsl,no-blockmark-swap"))
> +		this->swap_block_mark = !GPMI_IS_MX23(this);


Our ROM guy had confirmed that the Rom will disable the swapping if we 
set the DISBBM bit.
But please do not change any logic for imx23/imx28.

I really do not know what's the benefit we can get from this patch.
Please send the new version about this patch if you want this feature.


thanks
Huang Shijie

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