Hi, > -----Original Message----- > From: linux-arm-kernel [mailto:linux-arm-kernel- > [email protected]] On Behalf Of Chanwoo Choi > Sent: Thursday, April 10, 2014 7:06 PM > To: [email protected]; [email protected]; linux-samsung- > [email protected] > Cc: [email protected]; [email protected]; linux- > [email protected]; [email protected]; [email protected]; > [email protected]; [email protected]; linux-arm- > [email protected] > Subject: [PATCH 21/27] ARM: dts: exynos3250: Add PMU dt data > > From: Hyunhee Kim <[email protected]> > > ARM CPU has its own PMU (Performance Monitoring Unit). This patch add > PMU dt > data to support PMU for CPU. Exynos3250 has four PMU interrupts. > > Signed-off-by: Hyunhee Kim <[email protected]> > Signed-off-by: Kyungmin Park <[email protected]> > --- > arch/arm/boot/dts/exynos3250.dtsi | 5 +++++ > 1 file changed, 5 insertions(+) > > diff --git a/arch/arm/boot/dts/exynos3250.dtsi > b/arch/arm/boot/dts/exynos3250.dtsi > index ceed761..2f0ca32 100644 > --- a/arch/arm/boot/dts/exynos3250.dtsi > +++ b/arch/arm/boot/dts/exynos3250.dtsi > @@ -280,4 +280,9 @@ > pinctrl-0 = <&i2c7_bus>; > status = "disabled"; > }; > + > + pmu { > + compatible = "arm,cortex-a7-pmu"; > + interrupts = <0 18 0>, <0 19 0>, <0 20 0>, <0 21 0>; > + };
As I know, the exynos3250 has two CPU cores. Why does it have four pmu interrupts? IMO it is sufficient it has only two interrupts. Best Regards, Chanho Park -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
