From mboxrd@z Thu Jan 1 00:00:00 1970 From: Tushar Behera Subject: Re: [PATCH-RESEND] ARM: dts: Add arm-pmu node for exynos4412 Date: Tue, 29 Apr 2014 13:33:59 +0530 Message-ID: <535F5CEF.10504@linaro.org> References: <1376044914-1759-1-git-send-email-chanho61.park@samsung.com> <535F41B1.70404@linaro.org> <00f501cf6378$2efd6ee0$8cf84ca0$@samsung.com> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Return-path: Received: from mail-pb0-f51.google.com ([209.85.160.51]:53420 "EHLO mail-pb0-f51.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1756034AbaD2IEF (ORCPT ); Tue, 29 Apr 2014 04:04:05 -0400 Received: by mail-pb0-f51.google.com with SMTP id rq2so1905014pbb.10 for ; Tue, 29 Apr 2014 01:04:03 -0700 (PDT) In-Reply-To: <00f501cf6378$2efd6ee0$8cf84ca0$@samsung.com> Sender: linux-samsung-soc-owner@vger.kernel.org List-Id: linux-samsung-soc@vger.kernel.org To: Chanho Park , kgene.kim@samsung.com Cc: linux-samsung-soc@vger.kernel.org, thomas.abraham@linaro.org, linux-arm-kernel@lists.infradead.org, 'Kyungmin Park' On 04/29/2014 12:26 PM, Chanho Park wrote: > Hi Tushar, > >> -----Original Message----- >> From: Tushar Behera [mailto:tushar.behera@linaro.org] >> Sent: Tuesday, April 29, 2014 3:08 PM >> To: Chanho Park; kgene.kim@samsung.com >> Cc: linux-samsung-soc@vger.kernel.org; thomas.abraham@linaro.org; linux- >> arm-kernel@lists.infradead.org; Kyungmin Park >> Subject: Re: [PATCH-RESEND] ARM: dts: Add arm-pmu node for exynos4412 >> >> On 08/09/2013 04:11 PM, Chanho Park wrote: >>> The Exynos4412 has 4 cpus and each has a performance counter. >>> Thus, we should define 4 interrupts which are combined by irq-combiner >> for arm >>> pmu. >>> >>> Signed-off-by: Chanho Park >>> Signed-off-by: Kyungmin Park >>> --- >>> arch/arm/boot/dts/exynos4412.dtsi | 6 ++++++ >>> 1 file changed, 6 insertions(+) >>> >>> diff --git a/arch/arm/boot/dts/exynos4412.dtsi >> b/arch/arm/boot/dts/exynos4412.dtsi >>> index e743e67..cfad655 100644 >>> --- a/arch/arm/boot/dts/exynos4412.dtsi >>> +++ b/arch/arm/boot/dts/exynos4412.dtsi >>> @@ -35,6 +35,12 @@ >>> <0 107 0>, <0 108 0>, <0 48 0>, <0 42 0>; >>> }; >>> >>> + pmu { >>> + compatible = "arm,cortex-a9-pmu"; >>> + interrupt-parent = <&combiner>; >>> + interrupts = <2 2>, <3 2>, <18 2>, <19 2>; >>> + }; >>> + >>> mct@10050000 { >>> compatible = "samsung,exynos4412-mct"; >>> reg = <0x10050000 0x800>; >>> >> >> Tested on Exynos4412 based Origen-Quad board. You would required to >> rebase it on latest code though. >> >> Tested-by: Tushar Behera > > You took old patch which I cannot remember now:) Actually, arm-pmu support > for exynos4412 was already merged in the latest code.[1]. I sent a clean-up > patch recently[2]. It could be more readable for exynos4412. > Thanks. > I realized that a little late. I have replied to the new patch with my Tested-by. > [1] : https://lkml.org/lkml/2014/3/12/27 > [2] : http://www.spinics.net/linux/lists/arm-kernel/msg325565.html > > Best Regards, > Chanho Park > -- Tushar Behera