linux-kernel - Re: [PATCH v2 1/6] ARM: mm: cache-l2x0: Add base address argument to write

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Message-ID: <CACRpkdaA2oDOTBcL=S2j5bUTSB7oaS8ZWN0Rnf9Pbwtf3fTKjQ@mail.gmail.com>
Date:	Fri, 27 Jun 2014 09:44:28 +0200
From:	Linus Walleij <linus.walleij@...aro.org>
To:	Tomasz Figa <t.figa@...sung.com>
Cc:	linux-samsung-soc <linux-samsung-soc@...r.kernel.org>,
	"linux-arm-kernel@...ts.infradead.org" 
	<linux-arm-kernel@...ts.infradead.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	Linux-OMAP <linux-omap@...r.kernel.org>,
	Kukjin Kim <kgene.kim@...sung.com>,
	Laura Abbott <lauraa@...eaurora.org>,
	Russell King - ARM Linux <linux@....linux.org.uk>,
	Santosh Shilimkar <santosh.shilimkar@...com>,
	Tony Lindgren <tony@...mide.com>,
	Tomasz Figa <tomasz.figa@...il.com>,
	Daniel Drake <drake@...lessm.com>,
	Marek Szyprowski <m.szyprowski@...sung.com>
Subject: Re: [PATCH v2 1/6] ARM: mm: cache-l2x0: Add base address argument to
 write_sec callback

On Wed, Jun 25, 2014 at 3:37 PM, Tomasz Figa <t.figa@...sung.com> wrote:

> For certain platforms (e.g. Exynos) it is necessary to read back some
> values from registers before they can be written (i.e. SMC calls that
> set multiple registers per call), so base address of L2C controller is
> needed for .write_sec operation. This patch adds base argument to
> .write_sec callback so that its implementation can also access registers
> directly.
>
> Signed-off-by: Tomasz Figa <t.figa@...sung.com>

>  arch/arm/mach-ux500/cache-l2x0.c   | 3 ++-

In our case just changing the signature of the function I see so:
Acked-by: Linus Walleij <linus.walleij@...aro.org>

Yours,
Linus Walleij
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