linux-kernel - RE: [PATCH 3/5] arm: dts: ls1021a: fix that FlexTimer cannot wakeup system in deep sleep

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Message-ID: <VE1PR04MB6687F86E5F609DC77E050CEA8F3A0@VE1PR04MB6687.eurprd04.prod.outlook.com>
Date:   Mon, 21 Sep 2020 22:58:44 +0000
From:   Leo Li <leoyang.li@....com>
To:     Ran Wang <ran.wang_1@....com>, Rob Herring <robh+dt@...nel.org>,
        Shawn Guo <shawnguo@...nel.org>
CC:     "linuxppc-dev@...ts.ozlabs.org" <linuxppc-dev@...ts.ozlabs.org>,
        "linux-arm-kernel@...ts.infradead.org" 
        <linux-arm-kernel@...ts.infradead.org>,
        "devicetree@...r.kernel.org" <devicetree@...r.kernel.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        Biwen Li <biwen.li@....com>, Ran Wang <ran.wang_1@....com>
Subject: RE: [PATCH 3/5] arm: dts: ls1021a: fix that FlexTimer cannot wakeup
 system in deep sleep



> -----Original Message-----
> From: Ran Wang <ran.wang_1@....com>
> Sent: Wednesday, September 16, 2020 3:18 AM
> To: Leo Li <leoyang.li@....com>; Rob Herring <robh+dt@...nel.org>;
> Shawn Guo <shawnguo@...nel.org>
> Cc: linuxppc-dev@...ts.ozlabs.org; linux-arm-kernel@...ts.infradead.org;
> devicetree@...r.kernel.org; linux-kernel@...r.kernel.org; Biwen Li
> <biwen.li@....com>; Ran Wang <ran.wang_1@....com>
> Subject: [PATCH 3/5] arm: dts: ls1021a: fix that FlexTimer cannot wakeup
> system in deep sleep

A better description should be enabling the A-008646 workaround to be consistent with other patches.

> 
> From: Biwen Li <biwen.li@....com>
> 
> The patch fixes a bug that FlexTimer cannot wakeup system in deep sleep.
> 
> Signed-off-by: Biwen Li <biwen.li@....com>
> Signed-off-by: Ran Wang <ran.wang_1@....com>
> ---
>  arch/arm/boot/dts/ls1021a.dtsi | 1 +
>  1 file changed, 1 insertion(+)
> 
> diff --git a/arch/arm/boot/dts/ls1021a.dtsi b/arch/arm/boot/dts/ls1021a.dtsi
> index 827373e..089fe86 100644
> --- a/arch/arm/boot/dts/ls1021a.dtsi
> +++ b/arch/arm/boot/dts/ls1021a.dtsi
> @@ -1007,6 +1007,7 @@
>  			compatible = "fsl,ls1021a-rcpm", "fsl,qoriq-rcpm-
> 2.1+";
>  			reg = <0x0 0x1ee2140 0x0 0x8>;
>  			#fsl,rcpm-wakeup-cells = <2>;
> +			fsl,ippdexpcr1-alt-addr = <&scfg 0x51c>;
>  		};
> 
>  		ftm_alarm0: timer0@...0000 {
> --
> 2.7.4