RE: [PATCH 4/5] arm: dts: ls1021a: fix flextimer failed to wake system

[Leo Li]

> -----Original Message-----
> From: Ran Wang <ran.wang_1@xxxxxxx>
> Sent: Wednesday, September 16, 2020 3:19 AM
> To: Leo Li <leoyang.li@xxxxxxx>; Rob Herring <robh+dt@xxxxxxxxxx>;
> Shawn Guo <shawnguo@xxxxxxxxxx>
> Cc: linuxppc-dev@xxxxxxxxxxxxxxxx; linux-arm-kernel@xxxxxxxxxxxxxxxxxxx;
> devicetree@xxxxxxxxxxxxxxx; linux-kernel@xxxxxxxxxxxxxxx; Ran Wang
> <ran.wang_1@xxxxxxx>
> Subject: [PATCH 4/5] arm: dts: ls1021a: fix flextimer failed to wake system
> 
> The data of property 'fsl,rcpm-wakeup' is not corrcet, which causing RCPM
> driver incorrectly program register IPPDEXPCR1, then flextimer is wrongly
> clock gated during system suspend, can't send interrupt to wake.
> 
> Signed-off-by: Ran Wang <ran.wang_1@xxxxxxx>

Acked-by: Li Yang <leoyang.li@xxxxxxx>

> ---
>  arch/arm/boot/dts/ls1021a.dtsi | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/arch/arm/boot/dts/ls1021a.dtsi b/arch/arm/boot/dts/ls1021a.dtsi
> index 089fe86..e372630f 100644
> --- a/arch/arm/boot/dts/ls1021a.dtsi
> +++ b/arch/arm/boot/dts/ls1021a.dtsi
> @@ -1014,7 +1014,7 @@
>  			compatible = "fsl,ls1021a-ftm-alarm";
>  			reg = <0x0 0x29d0000 0x0 0x10000>;
>  			reg-names = "ftm";
> -			fsl,rcpm-wakeup = <&rcpm 0x20000 0x0>;
> +			fsl,rcpm-wakeup = <&rcpm 0x0 0x20000000>;
>  			interrupts = <GIC_SPI 118 IRQ_TYPE_LEVEL_HIGH>;
>  			big-endian;
>  		};
> --
> 2.7.4