Hi Tushar, > -----Original Message----- > From: Tushar Behera [mailto:tushar.behera@xxxxxxxxxx] > Sent: Tuesday, April 29, 2014 3:08 PM > To: Chanho Park; kgene.kim@xxxxxxxxxxx > Cc: linux-samsung-soc@xxxxxxxxxxxxxxx; thomas.abraham@xxxxxxxxxx; linux- > arm-kernel@xxxxxxxxxxxxxxxxxxx; 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 <chanho61.park@xxxxxxxxxxx> > > Signed-off-by: Kyungmin Park <kyungmin.park@xxxxxxxxxxx> > > --- > > 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 <tushar.behera@xxxxxxxxxx> 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. [1] : https://lkml.org/lkml/2014/3/12/27 [2] : http://www.spinics.net/linux/lists/arm-kernel/msg325565.html Best Regards, Chanho Park -- To unsubscribe from this list: send the line "unsubscribe linux-samsung-soc" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
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