linux-kernel - RE: [PATCH 1/4] arm64: Enable TIMER_IMX_SYS_CTR for ARCH

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Message-ID: <DB3PR0402MB39162662C69B45BDB948D002F5E00@DB3PR0402MB3916.eurprd04.prod.outlook.com>
Date:   Mon, 24 Jun 2019 02:35:10 +0000
From:   Anson Huang <anson.huang@....com>
To:     Shawn Guo <shawnguo@...nel.org>
CC:     "mark.rutland@....com" <mark.rutland@....com>,
        Aisheng Dong <aisheng.dong@....com>,
        Peng Fan <peng.fan@....com>,
        "festevam@...il.com" <festevam@...il.com>,
        Jacky Bai <ping.bai@....com>,
        "devicetree@...r.kernel.org" <devicetree@...r.kernel.org>,
        "sboyd@...nel.org" <sboyd@...nel.org>,
        "catalin.marinas@....com" <catalin.marinas@....com>,
        "s.hauer@...gutronix.de" <s.hauer@...gutronix.de>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        Daniel Baluta <daniel.baluta@....com>,
        "linux-clk@...r.kernel.org" <linux-clk@...r.kernel.org>,
        "robh+dt@...nel.org" <robh+dt@...nel.org>,
        dl-linux-imx <linux-imx@....com>,
        "kernel@...gutronix.de" <kernel@...gutronix.de>,
        Leonard Crestez <leonard.crestez@....com>,
        "will@...nel.org" <will@...nel.org>,
        "mturquette@...libre.com" <mturquette@...libre.com>,
        "linux-arm-kernel@...ts.infradead.org" 
        <linux-arm-kernel@...ts.infradead.org>,
        Abel Vesa <abel.vesa@....com>
Subject: RE: [PATCH 1/4] arm64: Enable TIMER_IMX_SYS_CTR for ARCH_MXC
 platforms

Hi, Shawn

> -----Original Message-----
> From: Shawn Guo <shawnguo@...nel.org>
> Sent: Monday, June 24, 2019 10:27 AM
> To: Anson Huang <anson.huang@....com>
> Cc: mark.rutland@....com; Aisheng Dong <aisheng.dong@....com>; Peng
> Fan <peng.fan@....com>; festevam@...il.com; Jacky Bai
> <ping.bai@....com>; devicetree@...r.kernel.org; sboyd@...nel.org;
> catalin.marinas@....com; s.hauer@...gutronix.de; linux-
> kernel@...r.kernel.org; Daniel Baluta <daniel.baluta@....com>; linux-
> clk@...r.kernel.org; robh+dt@...nel.org; dl-linux-imx <linux-
> imx@....com>; kernel@...gutronix.de; Leonard Crestez
> <leonard.crestez@....com>; will@...nel.org; mturquette@...libre.com;
> linux-arm-kernel@...ts.infradead.org; Abel Vesa <abel.vesa@....com>
> Subject: Re: [PATCH 1/4] arm64: Enable TIMER_IMX_SYS_CTR for ARCH_MXC
> platforms
> 
> On Mon, Jun 24, 2019 at 10:22:01AM +0800, Shawn Guo wrote:
> > On Fri, Jun 21, 2019 at 03:07:17PM +0800, Anson.Huang@....com wrote:
> > > From: Anson Huang <Anson.Huang@....com>
> > >
> > > ARCH_MXC platforms needs system counter as broadcast timer to
> > > support cpuidle, enable it by default.
> > >
> > > Signed-off-by: Anson Huang <Anson.Huang@....com>
> > > ---
> > >  arch/arm64/Kconfig.platforms | 1 +
> > >  1 file changed, 1 insertion(+)
> > >
> > > diff --git a/arch/arm64/Kconfig.platforms
> > > b/arch/arm64/Kconfig.platforms index 4778c77..f5e623f 100644
> > > --- a/arch/arm64/Kconfig.platforms
> > > +++ b/arch/arm64/Kconfig.platforms
> > > @@ -173,6 +173,7 @@ config ARCH_MXC
> > >  	select PM
> > >  	select PM_GENERIC_DOMAINS
> > >  	select SOC_BUS
> > > +	select TIMER_IMX_SYS_CTR
> >
> > Where is that driver?
> 
> Okay, just found it in the mailbox.  They seem to be sent in the wrong order.
> Really, you should send this series only after the driver lands on mainline.

OK, just noticed that mainline does NOT have it, since I did it based on next tree.
I will resend the patch series after the system counter driver landing on mainline.

Thanks,
Anson.

> 
> Shawn