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SubjectRe: [PATCH 1/3] ARM: dts: exynos: Add interrupt to DMC controller in Exynos5422
On Wed, Sep 25, 2019 at 06:18:11PM +0200, Lukasz Luba wrote:
> Add interrupt to Dynamic Memory Controller in Exynos5422 and Odroid
> XU3-family boards. It will be used instead of devfreq polling mode
> governor. The interrupt is connected to performance counters private
> for DMC, which might track utilisation of the memory channels.
>
> Signed-off-by: Lukasz Luba <l.luba@partner.samsung.com>
> ---
> arch/arm/boot/dts/exynos5420.dtsi | 2 ++
> 1 file changed, 2 insertions(+)
>
> diff --git a/arch/arm/boot/dts/exynos5420.dtsi b/arch/arm/boot/dts/exynos5420.dtsi
> index ac49373baae7..72738e620d11 100644
> --- a/arch/arm/boot/dts/exynos5420.dtsi
> +++ b/arch/arm/boot/dts/exynos5420.dtsi
> @@ -240,6 +240,8 @@
> dmc: memory-controller@10c20000 {
> compatible = "samsung,exynos5422-dmc";
> reg = <0x10c20000 0x100>, <0x10c30000 0x100>;
> + interrupt-parent = <&combiner>;
> + interrupts = <16 0>;

You register DMC for DREX0 and DREX1 but take only DREX0 interrupt. Why
skipping second?

Best regards,
Krzysztof


> clocks = <&clock CLK_FOUT_SPLL>,
> <&clock CLK_MOUT_SCLK_SPLL>,
> <&clock CLK_FF_DOUT_SPLL2>,
> --
> 2.17.1
>

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