linux-kernel - Re: [PATCH V2] ARM: imx: add i.MX7ULP cpuidle support

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Date:   Tue, 15 Jan 2019 23:12:52 +0800
From:   Shawn Guo <shawnguo@...nel.org>
To:     Stephen Rothwell <sfr@...b.auug.org.au>
Cc:     Leonard Crestez <leonard.crestez@....com>,
        dl-linux-imx <linux-imx@....com>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        "linux@...linux.org.uk" <linux@...linux.org.uk>,
        Fabio Estevam <fabio.estevam@....com>,
        "linux-next@...r.kernel.org" <linux-next@...r.kernel.org>,
        "linux-arm-kernel@...ts.infradead.org" 
        <linux-arm-kernel@...ts.infradead.org>,
        Anson Huang <anson.huang@....com>,
        "kernel@...gutronix.de" <kernel@...gutronix.de>,
        "s.hauer@...gutronix.de" <s.hauer@...gutronix.de>
Subject: Re: [PATCH V2] ARM: imx: add i.MX7ULP cpuidle support

On Wed, Jan 16, 2019 at 12:10:43AM +1100, Stephen Rothwell wrote:
> Hi Leonard,
> 
> On Tue, 15 Jan 2019 12:30:23 +0000 Leonard Crestez <leonard.crestez@....com> wrote:
> >
> > On 1/14/19 2:56 AM, Shawn Guo wrote:
> > > On Fri, Jan 11, 2019 at 05:57:30AM +0000, Anson Huang wrote:  
> > > > This patch adds cpuidle support for i.MX7ULP, 3 cpuidle
> > > > states supported as below:
> > > > 
> > > > 1. WFI, just ARM wfi;
> > > > 2. WAIT mode, mapped to SoC's partial stop mode #3;
> > > > 3. STOP mode, mapped to SoC's partial stop mode #1.
> > > > 
> > > > In WAIT mode, system clock and bus clock will be enabled;
> > > > In STOP mode, system clock and bus clock will be disabled.
> > > > 
> > > > Signed-off-by: Anson Huang <Anson.Huang@....com>  
> > > 
> > > Applied, thanks.
> > >   
> > 
> > Hello,
> > 
> > I'm not sure if anyone else already noticed but it seems the
> > arch/arm/mach-imx/cpuidle-imx7ulp.c file was dropped?
> > 
> > It's not in your tree:
> > 
> > https://git.kernel.org/pub/scm/linux/kernel/git/shawnguo/linux.git/commit/?h=imx/soc&id=cf2d2d392906f5603cf0d0f3630f6386babf7e4b
> > 
> > This causes build failures in next-20190115 with imx_v6_v7_defconfig.
> 
> That file does not exist in Linus' tree either.  And there are no
> commits in linux-next that add it.

Sorry.  That's my fault.  The patch doesn't apply to my tree and I had
to use 'patch' command.  However, I forgot to add this new
cpuidle-imx7ulp.c file.

Just fixed it.

Shawn