From: k.kozlowski@samsung•com (Krzysztof Kozlowski)
To: linux-arm-kernel@lists•infradead.org
Subject: [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 [thread overview]
Message-ID: <55B718CA.3050103@samsung.com> (raw)
In-Reply-To: <1438032528.17734.49.camel@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 <klimov.linux@gmail•com>
> ---
> 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";
>
>
next prev parent reply other threads:[~2015-07-28 5:53 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-07-27 21:28 [RFC PATCH 3/3] ARM: dts: add MCT property use-cp15-phys-counter for exynos5422-odroidxu3 Alexey Klimov
2015-07-28 5:53 ` Krzysztof Kozlowski [this message]
2015-07-28 12:34 ` Alexey Klimov
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