From: Arnd Bergmann <arnd@arndb.de>
To: Geert Uytterhoeven <geert@linux-m68k.org>
Cc: "linux-arm-kernel@lists.infradead.org"
<linux-arm-kernel@lists.infradead.org>,
Geert Uytterhoeven <geert+renesas@glider.be>,
Simon Horman <horms+renesas@verge.net.au>,
Magnus Damm <magnus.damm@gmail.com>,
"devicetree@vger.kernel.org" <devicetree@vger.kernel.org>,
Linux-sh list <linux-sh@vger.kernel.org>,
Russell King <rmk@arm.linux.org.uk>
Subject: Re: [PATCH v2 2/5] ARM: shmobile: r8a7740: Migrate to generic l2c OF initialization
Date: Wed, 04 Feb 2015 17:36:09 +0100 [thread overview]
Message-ID: <3598552.qKIyokxIlF@wuerfel> (raw)
In-Reply-To: <CAMuHMdVi3kq2p30cNFYW2WCM-OvMSFC1W0r5nYkaN5Np=zW4_Q@mail.gmail.com>
On Wednesday 04 February 2015 15:43:43 Geert Uytterhoeven wrote:
>
> Indeed. Note that I only try to preserve the register value before and after
> migrating to generic l2c OF initialization. I did read (part of) the pl310
> documentation, but it's still not clear to me if we really need
> L2C_AUX_CTRL_SHARED_OVERRIDE. Perhaps this was just copied from
> somewhere else without much afterthought?
Have you checked what the hardware/bootloader actually sets in that bit?
Maybe you can remove that override completely and the initial Linux
default was just set to the same that is already set on powerup?
Arnd
next prev parent reply other threads:[~2015-02-04 16:36 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-02-04 14:15 [PATCH v2 0/5] ARM: shmobile: r8a7740/armadillo: Migrate to generic l2c OF Geert Uytterhoeven
2015-02-04 14:15 ` [PATCH v2 2/5] ARM: shmobile: r8a7740: Migrate to generic l2c OF initialization Geert Uytterhoeven
2015-02-04 14:34 ` Arnd Bergmann
2015-02-04 14:43 ` Geert Uytterhoeven
2015-02-04 16:36 ` Arnd Bergmann [this message]
2015-02-04 17:04 ` Geert Uytterhoeven
[not found] ` <CAMuHMdU-GahSaQj6v2Yhmxsj8gmt1sbwrPfqm=ydMCc=uDcenA-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2015-02-04 18:33 ` Arnd Bergmann
2015-02-04 18:40 ` Geert Uytterhoeven
2015-02-04 14:15 ` [PATCH v2 3/5] ARM: shmobile: armadillo legacy: " Geert Uytterhoeven
[not found] ` <1423059315-28519-1-git-send-email-geert+renesas-gXvu3+zWzMSzQB+pC5nmwQ@public.gmane.org>
2015-02-04 14:15 ` [PATCH v2 1/5] ARM: shmobile: r8a7740 dtsi: Add cache-controller node Geert Uytterhoeven
2015-02-04 14:15 ` [PATCH v2 4/5] ARM: shmobile: r8a7740: Remove mapping of L2 cache controller registers Geert Uytterhoeven
2015-02-04 14:15 ` [PATCH v2 5/5] ARM: shmobile: r8a7740: Add L1 cache information to CPU node Geert Uytterhoeven
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