| Message ID | 1376044914-1759-1-git-send-email-chanho61.park@samsung.com (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
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@samsung.com> > Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com> > --- > 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@linaro.org>
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 <chanho61.park@samsung.com> > > Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com> > > --- > > 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@linaro.org> 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
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 <chanho61.park@samsung.com> >>> Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com> >>> --- >>> 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@linaro.org> > > 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 >
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>;