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* [RFC PATCH 3/3] ARM: dts: add MCT property use-cp15-phys-counter for exynos5422-odroidxu3
@ 2015-07-27 21:28 ` Alexey Klimov
  0 siblings, 0 replies; 6+ messages in thread
From: Alexey Klimov @ 2015-07-27 21:28 UTC (permalink / raw)
  To: linux-samsung-soc, daniel.lezcano, dianders, chirantan
  Cc: klimov.linux, t.dakhran, k.kozlowski, kgene, tglx,
	linux-arm-kernel, yury.norov

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 ++++
 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;
+};
+
 &i2c_0 {
 	status = "okay";
 
-- 
2.1.4

^ permalink raw reply related	[flat|nested] 6+ messages in thread

end of thread, other threads:[~2015-07-28 12:34 UTC | newest]

Thread overview: 6+ messages (download: mbox.gz follow: Atom feed
-- links below jump to the message on this page --
2015-07-27 21:28 [RFC PATCH 3/3] ARM: dts: add MCT property use-cp15-phys-counter for exynos5422-odroidxu3 Alexey Klimov
2015-07-27 21:28 ` Alexey Klimov
2015-07-28  5:53 ` Krzysztof Kozlowski
2015-07-28  5:53   ` Krzysztof Kozlowski
2015-07-28 12:34   ` Alexey Klimov
2015-07-28 12:34     ` Alexey Klimov

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