linux-kernel - Re: [PATCH 2/5] ARM: dts: exynos4x12: Add PMU dt data to support PMU(Perforamnce Monitoring Unit)

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Date:	Tue, 11 Mar 2014 13:21:17 +0100
From:	Tomasz Figa <t.figa@...sung.com>
To:	Chanwoo Choi <cw00.choi@...sung.com>, kgene.kim@...sung.com
Cc:	linux-samsung-soc@...r.kernel.org,
	linux-arm-kernel@...ts.infradead.org, devicetree@...r.kernel.org,
	linux-kernel@...r.kernel.org, kyungmin.park@...sung.com,
	rob.herring@...xeda.com, pawel.moll@....com, mark.rutland@....com,
	swarren@...dotorg.org, ijc+devicetree@...lion.org.uk,
	linux@....linux.org.uk
Subject: Re: [PATCH 2/5] ARM: dts: exynos4x12: Add PMU dt data to support
 PMU(Perforamnce Monitoring Unit)

Hi Chanwoo,

On 11.03.2014 08:54, Chanwoo Choi wrote:
> ARM CPU has its own performance profiling unit(PMU, Perforamnce Monitoring Unit).
> This patch add PMU dt data to support PMU which count cache hit and miss events.
>
> PMU interrput list of Exynos4212
> - <2 2> : INTG2[2] - PMUIRQ[0] for CPU0
> - <3 2> : INTG3[2] - PMUIRQ[1] for CPU1
>
> PMU interrput list of Exynos4412
> - <2 2> : INTG2[2], PMUIRQ[0] for CPU0
> - <3 2> : INTG3[2], PMUIRQ[1] for CPU1
> - <18 2> : INTG18[2], PMUIRQ[2] : CPU2
> - <19 2> : INTG19[2], PMUIRQ[3] : CPU3
>
> Signed-off-by: Chanwoo Choi <cw00.choi@...sung.com>
> Signed-off-by: Kyungmin Park <kyungmin.park@...sung.com>
> ---
>   arch/arm/boot/dts/exynos4x12.dtsi | 6 ++++++
>   1 file changed, 6 insertions(+)

Reviewed-by: Tomasz Figa <t.figa@...sung.com>

Best regards,
Tomasz
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