From mboxrd@z Thu Jan 1 00:00:00 1970 From: Krzysztof Kozlowski Subject: Re: [RFC PATCH 3/3] ARM: dts: add MCT property use-cp15-phys-counter for exynos5422-odroidxu3 Date: Tue, 28 Jul 2015 14:53:14 +0900 Message-ID: <55B718CA.3050103@samsung.com> References: <1438032528.17734.49.camel@gmail.com> Mime-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 7bit Return-path: Received: from mailout4.w1.samsung.com ([210.118.77.14]:17364 "EHLO mailout4.w1.samsung.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751152AbbG1FxU (ORCPT ); Tue, 28 Jul 2015 01:53:20 -0400 Received: from eucpsbgm1.samsung.com (unknown [203.254.199.244]) by mailout4.w1.samsung.com (Oracle Communications Messaging Server 7.0.5.31.0 64bit (built May 5 2014)) with ESMTP id <0NS600D2GOCT6KA0@mailout4.w1.samsung.com> for linux-samsung-soc@vger.kernel.org; Tue, 28 Jul 2015 06:53:17 +0100 (BST) In-reply-to: <1438032528.17734.49.camel@gmail.com> Sender: linux-samsung-soc-owner@vger.kernel.org List-Id: linux-samsung-soc@vger.kernel.org To: Alexey Klimov , linux-samsung-soc@vger.kernel.org, daniel.lezcano@linaro.org, dianders@chromium.org, chirantan@chromium.org Cc: t.dakhran@gmail.com, kgene@kernel.org, tglx@linutronix.de, linux-arm-kernel@lists.infradead.org, yury.norov@gmail.com On 28.07.2015 06:28, Alexey Klimov wrote: > Speedup MCT operation on odroid-xu3 dev board by using > coprocessor 64-bit counter instead of reading same counter > located in mmio region. > > Tested on Odroid-xu3. > > Signed-off-by: Alexey Klimov > --- > arch/arm/boot/dts/exynos5422-odroidxu3.dts | 4 ++++ Please do this in Odroid XU3 common DTSI: arch/arm/boot/dts/exynos5422-odroidxu3-common.dtsi > 1 file changed, 4 insertions(+) > > diff --git a/arch/arm/boot/dts/exynos5422-odroidxu3.dts b/arch/arm/boot/dts/exynos5422-odroidxu3.dts > index 78e6a50..b7f6c8f 100644 > --- a/arch/arm/boot/dts/exynos5422-odroidxu3.dts > +++ b/arch/arm/boot/dts/exynos5422-odroidxu3.dts > @@ -18,6 +18,10 @@ > compatible = "hardkernel,odroid-xu3", "samsung,exynos5800", "samsung,exynos5"; > }; > > +&mct { > + use-cp15-phys-counter; > +}; > + Put the node in alphabetical position. Best regards, Krzysztof > &i2c_0 { > status = "okay"; > > From mboxrd@z Thu Jan 1 00:00:00 1970 From: k.kozlowski@samsung.com (Krzysztof Kozlowski) Date: Tue, 28 Jul 2015 14:53:14 +0900 Subject: [RFC PATCH 3/3] ARM: dts: add MCT property use-cp15-phys-counter for exynos5422-odroidxu3 In-Reply-To: <1438032528.17734.49.camel@gmail.com> References: <1438032528.17734.49.camel@gmail.com> Message-ID: <55B718CA.3050103@samsung.com> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org On 28.07.2015 06:28, Alexey Klimov wrote: > Speedup MCT operation on odroid-xu3 dev board by using > coprocessor 64-bit counter instead of reading same counter > located in mmio region. > > Tested on Odroid-xu3. > > Signed-off-by: Alexey Klimov > --- > arch/arm/boot/dts/exynos5422-odroidxu3.dts | 4 ++++ Please do this in Odroid XU3 common DTSI: arch/arm/boot/dts/exynos5422-odroidxu3-common.dtsi > 1 file changed, 4 insertions(+) > > diff --git a/arch/arm/boot/dts/exynos5422-odroidxu3.dts b/arch/arm/boot/dts/exynos5422-odroidxu3.dts > index 78e6a50..b7f6c8f 100644 > --- a/arch/arm/boot/dts/exynos5422-odroidxu3.dts > +++ b/arch/arm/boot/dts/exynos5422-odroidxu3.dts > @@ -18,6 +18,10 @@ > compatible = "hardkernel,odroid-xu3", "samsung,exynos5800", "samsung,exynos5"; > }; > > +&mct { > + use-cp15-phys-counter; > +}; > + Put the node in alphabetical position. Best regards, Krzysztof > &i2c_0 { > status = "okay"; > >