linux-kernel - Re: [PATCH v5] ARM: cache-l2x0.c: save the final aux ctrl value for resuming

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Message-ID: <20120503125955.GE27872@arm.com>
Date:	Thu, 3 May 2012 13:59:55 +0100
From:	Catalin Marinas <catalin.marinas@....com>
To:	Yilu Mao <ylmao@...vell.com>
Cc:	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	"linux@....linux.org.uk" <linux@....linux.org.uk>,
	"Baohua.Song@....com" <Baohua.Song@....com>,
	"santosh.shilimkar@...com" <santosh.shilimkar@...com>,
	"robherring2@...il.com" <robherring2@...il.com>,
	"linux-arm-kernel@...ts.infradead.org" 
	<linux-arm-kernel@...ts.infradead.org>
Subject: Re: [PATCH v5] ARM: cache-l2x0.c: save the final aux ctrl value
 for resuming

On Thu, May 03, 2012 at 01:07:37PM +0100, Yilu Mao wrote:
> There is a bug if l2x0 controller has been enabled when calling
> l2x0_init, the aux ctrl register will not be saved in l2x0_saved_regs.
> Therefore we will use uninitialized l2x0_saved_regs.aux_ctrl for
> resuming later.
> 
> In this patch, the aux ctrl value is read and saved after it is
> initialized. So we have the real value being set for resuming.
> 
> Signed-off-by: Yilu Mao <ylmao@...vell.com>

Acked-by: Catalin Marinas <catalin.marinas@....com>
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