Add secure-reg-access on PPD device tree to enable PMU and hardware counters for perf.
Signed-off-by: Sebastian Reichel <sebastian.reic...@collabora.co.uk> --- arch/arm/boot/dts/imx53-ppd.dts | 4 ++++ arch/arm/boot/dts/imx53.dtsi | 2 +- 2 files changed, 5 insertions(+), 1 deletion(-) diff --git a/arch/arm/boot/dts/imx53-ppd.dts b/arch/arm/boot/dts/imx53-ppd.dts index cce959438a79..4ecbe6e4eecb 100644 --- a/arch/arm/boot/dts/imx53-ppd.dts +++ b/arch/arm/boot/dts/imx53-ppd.dts @@ -556,6 +556,10 @@ }; }; +&pmu { + secure-reg-access; +}; + &pwm1 { pinctrl-names = "default"; pinctrl-0 = <&pinctrl_pwm1>; diff --git a/arch/arm/boot/dts/imx53.dtsi b/arch/arm/boot/dts/imx53.dtsi index 1040251f2951..7df4853dc771 100644 --- a/arch/arm/boot/dts/imx53.dtsi +++ b/arch/arm/boot/dts/imx53.dtsi @@ -116,7 +116,7 @@ }; }; - pmu { + pmu: pmu { compatible = "arm,cortex-a8-pmu"; interrupt-parent = <&tzic>; interrupts = <77>; -- 2.15.1