linux-kernel - Re: [PATCH 2/6] pm: at91: move the copying the sram function to the sram initializationi phase

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Date:	Thu, 12 Mar 2015 19:53:36 +0100
From:	Sylvain Rochet <sylvain.rochet@...secur.com>
To:	Wenyou Yang <wenyou.yang@...el.com>
Cc:	nicolas.ferre@...el.com, linux@...im.org.za,
	linux@....linux.org.uk, linux-arm-kernel@...ts.infradead.org,
	linux-kernel@...r.kernel.org, alexandre.belloni@...e-electrons.com,
	patrice.vilchez@...el.com, sergei.shtylyov@...entembedded.com,
	mark.rutland@....com, lorenzo.pieralisi@....com
Subject: Re: [PATCH 2/6] pm: at91: move the copying the sram function to the
 sram initializationi phase

Hello Wenyou,

On Sat, Mar 07, 2015 at 12:22:24AM +0100, Sylvain Rochet wrote:
> Hello Wenyou,
> 
> On Thu, Feb 12, 2015 at 10:46:49AM +0800, Wenyou Yang wrote:
> > To decrease the suspend time, move copying the sram function to the sram
> > initialization phase, instead of every time go to suspend.
> > 
> > In the meanwhile, substitute fncpy() for memcpy().
> > 
> > If there is no sram allocated for PM, the PM is not supported.
> 
> My board doesn't boot anymore with this change, I am not equipped enough 
> to debug more, looks like fncpy() is writing the function on top of 
> existing kernel code.
> 
> You said you had issues with fncpy(), I guess I am having the issue you 
> had.

A make clean later, it works… sorry for the mess.

Sylvain
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