From mboxrd@z Thu Jan  1 00:00:00 1970
From: nico@fluxnic.net (Nicolas Pitre)
Date: Wed, 30 Dec 2009 13:06:05 -0500 (EST)
Subject: [PATCH 2/2] pxa: enable L2 if present in XSC3
In-Reply-To: <f17812d70912300050p24c0fb2ayd6f68ffc01a67529@mail.gmail.com>
References: <771cded00912292328j459b5218r64703d59165fe98f@mail.gmail.com>
	<f17812d70912300050p24c0fb2ayd6f68ffc01a67529@mail.gmail.com>
Message-ID: <alpine.LFD.2.00.0912301305170.4177@xanadu.home>
To: linux-arm-kernel@lists.infradead.org
List-Id: linux-arm-kernel.lists.infradead.org

On Wed, 30 Dec 2009, Eric Miao wrote:

> On Wed, Dec 30, 2009 at 3:28 PM, Haojian Zhuang
> <haojian.zhuang@gmail.com> wrote:
> > From 2c4a7d0e907df9a762c5c9f0ec48b3b7860e1f7c Mon Sep 17 00:00:00 2001
> > From: Haojian Zhuang <haojian.zhuang@marvell.com>
> > Date: Wed, 30 Dec 2009 10:02:57 -0500
> > Subject: [PATCH] [ARM] pxa: enable L2 if present in XSC3
> >
> > Check whether L2 is present or not in XSC3. If it's present, enable L2
> > immediately.
> >
> > Disabling L2 after L2 is enabled that would result in unpredicatable behavior
> > of XSC3 processor.
> >
> 
> You may want to enclose this with #ifdef CONFIG_CACHE_XSC3L2 .. #endif
> at least, to allow L2 to remain disabled even if L2 is present.

Also... might be a good idea to invalidate L2 before enabling it.


Nicolas