From: nico@fluxnic.net (Nicolas Pitre)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH 2/2] pxa: enable L2 if present in XSC3
Date: Wed, 30 Dec 2009 13:06:05 -0500 (EST) [thread overview]
Message-ID: <alpine.LFD.2.00.0912301305170.4177@xanadu.home> (raw)
In-Reply-To: <f17812d70912300050p24c0fb2ayd6f68ffc01a67529@mail.gmail.com>
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
next prev parent reply other threads:[~2009-12-30 18:06 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-12-30 7:28 [PATCH 2/2] pxa: enable L2 if present in XSC3 Haojian Zhuang
2009-12-30 8:50 ` Eric Miao
2009-12-30 9:05 ` Haojian Zhuang
2010-01-01 7:56 ` Eric Miao
2009-12-30 18:06 ` Nicolas Pitre [this message]
2009-12-31 1:57 ` Haojian Zhuang
2009-12-31 2:19 ` Nicolas Pitre
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