| Message ID | 1438032528.17734.49.camel@gmail.com (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
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"; > >
Hi Krzysztof, On Tue, Jul 28, 2015 at 8:53 AM, Krzysztof Kozlowski <k.kozlowski@samsung.com> wrote: > 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 Thanks. Will do it.
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";
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(+)