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From: Mark Rutland <mark.rutland@arm.com>
To: Sudeep Holla <sudeep.holla@arm.com>
Cc: Geert Uytterhoeven <geert+renesas@glider.be>,
	Simon Horman <horms@verge.net.au>,
	Magnus Damm <magnus.damm@gmail.com>,
	Rob Herring <robh+dt@kernel.org>, Pawel Moll <pawel.moll@arm.com>,
	Ian Campbell <ijc+devicetree@hellion.org.uk>,
	Kumar Gala <galak@codeaurora.org>,
	Catalin Marinas <catalin.marinas@arm.com>,
	Will Deacon <will.deacon@arm.com>,
	Lina Iyer <lina.iyer@linaro.org>,
	linux-arm-kernel@lists.infradead.org, devicetree@vger.kernel.org,
	linux-sh@vger.kernel.org, linux-pm@vger.kernel.org
Subject: Re: [PATCH v2 6/6] arm64: renesas: r8a7795: Add L2 cache-controller nodes
Date: Mon, 7 Dec 2015 19:03:55 +0000	[thread overview]
Message-ID: <20151207190355.GE28024@leverpostej> (raw)
In-Reply-To: <5665D4C7.1050705@arm.com>

On Mon, Dec 07, 2015 at 06:49:43PM +0000, Sudeep Holla wrote:
> 
> On 07/12/15 18:24, Geert Uytterhoeven wrote:
> >+	L2_CA57: cache-controller@0 {
> >+		compatible = "cache";
> >+		arm,data-latency = <4 4 1>;
> >+		arm,tag-latency = <3 3 3>;
> 
> Interesting, only PL2xx/3xx cache controller driver reads this from the
> DT and configures the controller. The integrated L2 found in
> A15/A7/A57/A53 needs doesn't make use of these values from the DT.

These properties seem to be from l2cc.txt, which really only corresponds
to PL210/PL220/PL310 (and variants) and isn't as generic as it sounds.

I don't see that these are necessary at all.

Thanks,
Mark.

  reply	other threads:[~2015-12-07 19:03 UTC|newest]

Thread overview: 20+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2015-12-07 18:24 [PATCH v2 0/6] ARM/arm64 : shmobile/renesas: Add L2 cache-controller nodes Geert Uytterhoeven
2015-12-07 18:24 ` [PATCH v2 1/6] ARM: shmobile: r8a73a4 dtsi: " Geert Uytterhoeven
2015-12-07 18:24 ` [PATCH v2 2/6] ARM: shmobile: r8a7790 " Geert Uytterhoeven
2015-12-07 18:24 ` [PATCH v2 3/6] ARM: shmobile: r8a7791 dtsi: Add L2 cache-controller node Geert Uytterhoeven
2015-12-07 18:24 ` [PATCH v2 4/6] ARM: shmobile: r8a7793 " Geert Uytterhoeven
     [not found] ` <1449512659-16688-1-git-send-email-geert+renesas-gXvu3+zWzMSzQB+pC5nmwQ@public.gmane.org>
2015-12-07 18:24   ` [PATCH v2 5/6] ARM: shmobile: r8a7794 " Geert Uytterhoeven
2015-12-07 18:24 ` [PATCH v2 6/6] arm64: renesas: r8a7795: Add L2 cache-controller nodes Geert Uytterhoeven
2015-12-07 18:49   ` Sudeep Holla
2015-12-07 19:03     ` Mark Rutland [this message]
2015-12-07 20:18       ` Geert Uytterhoeven
2015-12-15  8:45         ` Geert Uytterhoeven
2015-12-08 18:50       ` Dirk Behme
2015-12-08 18:58         ` Sudeep Holla
2015-12-08 19:16         ` Mark Rutland
2015-12-09 16:58           ` Dirk Behme
2015-12-09 17:16             ` Sudeep Holla
2015-12-09 17:21             ` Mark Rutland
2015-12-09 17:34               ` Sudeep Holla
2016-02-15  1:58 ` [PATCH v2 0/6] ARM/arm64 : shmobile/renesas: " Simon Horman
2016-02-15 10:15   ` Geert Uytterhoeven

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