On Mon, Feb 05, 2018 at 06:08:40PM +0100, Sebastian Reichel wrote:
> From: Peter Senna Tschudin <peter.senna@xxxxxxxxxxxxx>
>
> Enable secure debug enable register access for Bx50v3 devices to enable
> PMU and hardware counters for perf.
>
> Signed-off-by: Peter Senna Tschudin <peter.senna@xxxxxxxxxxxxx>
> Signed-off-by: Sebastian Reichel <sebastian.reichel@xxxxxxxxxxxxxxx>
> ---
> Changes since PATCHv1:
> * add property by adding a label to the pmu node in imx6qdl and
> referencing it in bx50v3.dtsi.
> ---
> arch/arm/boot/dts/imx6q-bx50v3.dtsi | 4 ++++
> arch/arm/boot/dts/imx6qdl.dtsi | 2 +-
> 2 files changed, 5 insertions(+), 1 deletion(-)
>
> diff --git a/arch/arm/boot/dts/imx6q-bx50v3.dtsi b/arch/arm/boot/dts/imx6q-bx50v3.dtsi
> index 916ea94d75ca..2baffc8b9094 100644
> --- a/arch/arm/boot/dts/imx6q-bx50v3.dtsi
> +++ b/arch/arm/boot/dts/imx6q-bx50v3.dtsi
> @@ -388,3 +388,7 @@
> #interrupt-cells = <1>;
> };
> };
> +
> +&pmu {
> + secure-reg-access;
> +};
The labelled node should be sorted alphabetically. That said, it should
be added before &usdhc2. I fixed it up and applied the patch.
Shawn
> diff --git a/arch/arm/boot/dts/imx6qdl.dtsi b/arch/arm/boot/dts/imx6qdl.dtsi
> index 59ff86695a14..2b921de44c02 100644
> --- a/arch/arm/boot/dts/imx6qdl.dtsi
> +++ b/arch/arm/boot/dts/imx6qdl.dtsi
> @@ -143,7 +143,7 @@
> };
> };
>
> - pmu {
> + pmu: pmu {
> compatible = "arm,cortex-a9-pmu";
> interrupt-parent = <&gpc>;
> interrupts = <0 94 IRQ_TYPE_LEVEL_HIGH>;
> --
> 2.15.1
>
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