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

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Message-ID: <20140328111350.003b9fce@ipc1.ka-ro>
Date:	Fri, 28 Mar 2014 11:13:50 +0100
From:	Lothar Waßmann <LW@...O-electronics.de>
To:	Huang Shijie <b32955@...escale.com>
Cc:	Fabio Estevam <fabio.estevam@...escale.com>,
	Mark Rutland <mark.rutland@....com>,
	Shawn Guo <shawn.guo@...aro.org>,
	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>,
	<linux-arm-kernel@...ts.infradead.org>,
	Rob Landley <rob@...dley.net>,
	Kumar Gala <galak@...eaurora.org>,
	Brian Norris <computersforpeace@...il.com>,
	David Woodhouse <dwmw2@...radead.org>,
	Sascha Hauer <kernel@...gutronix.de>,
	Shawn Guo <shawn.guo@...escale.com>
Subject: Re: [PATCHv2 1/1] mtd: gpmi: make blockmark swapping optional

Hi,

Huang Shijie wrote:
> 于 2014年03月28日 17:33, Huang Shijie 写道:
> > 于 2014年03月28日 17:01, Lothar Waßmann 写道:
> >> There is no need for the ROM code to access any other partition than
> >> the bootloader itself. Thus Linux can perfectly well be booted from
> > Assume the ROM only access the partition which contains the 
> > bootloader, and
> > the ROM does the swapping for the pages(but we do not do the swapping 
> > to these pages),
> I mean the kernel do not do the swapping when we burn the uboot to the NAND.
> 
The kernel need not be able to write the bootloader to NAND. 
If you want a kernel that can do it, you just need to boot it with one
line in the DTB removed.


Lothar Waßmann
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