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

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Message-ID: <AM6PR04MB5413910DCE903CF974573E93F13B0@AM6PR04MB5413.eurprd04.prod.outlook.com>
Date:   Tue, 22 Sep 2020 02:18:02 +0000
From:   Ran Wang <ran.wang_1@....com>
To:     Leo Li <leoyang.li@....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>
Subject: RE: [PATCH 3/5] arm: dts: ls1021a: fix that FlexTimer cannot wakeup
 system in deep sleep

Hi Leo,

On Tuesday, September 22, 2020 6:59 AM, Leo Li wrote:
> 
> > -----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.

OK, will update this.

Regards,
Ran
> >
> > 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