linux-kernel - Re: [PATCH] arm: imx: suspend/resume: use outer

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Date:   Tue, 26 Dec 2017 17:09:03 +0800
From:   Shawn Guo <shawnguo@...nel.org>
To:     Peng Fan <peng.fan@....com>
Cc:     "A.s. Dong" <aisheng.dong@....com>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        Russell King <linux@...linux.org.uk>,
        "van.freenix@...il.com" <van.freenix@...il.com>,
        Sascha Hauer <kernel@...gutronix.de>,
        Fabio Estevam <fabio.estevam@....com>,
        "linux-arm-kernel@...ts.infradead.org" 
        <linux-arm-kernel@...ts.infradead.org>
Subject: Re: [PATCH] arm: imx: suspend/resume: use outer_disable/resume

On Tue, Dec 26, 2017 at 06:52:45AM +0000, Peng Fan wrote:
> Hi Shawn,
> 
> > -----Original Message-----
> > From: Shawn Guo [mailto:shawnguo@...nel.org]
> > Sent: Tuesday, December 26, 2017 11:31 AM
> > To: Peng Fan <peng.fan@....com>
> > Cc: A.s. Dong <aisheng.dong@....com>; linux-kernel@...r.kernel.org; Russell
> > King <linux@...linux.org.uk>; Fabio Estevam <fabio.estevam@....com>;
> > Sascha Hauer <kernel@...gutronix.de>; van.freenix@...il.com; linux-arm-
> > kernel@...ts.infradead.org
> > Subject: Re: [PATCH] arm: imx: suspend/resume: use outer_disable/resume
> > 
> > On Sun, Dec 10, 2017 at 08:07:18PM +0800, Peng Fan wrote:
> > > Use outer_disable/resume for suspend/resume.
> > > With the two APIs used, code could be simplified and easy to extend to
> > > introduce l2c_write_sec for i.MX platforms when moving Linux Kernel
> > > runs in non-secure world.
> > >
> > > Signed-off-by: Peng Fan <peng.fan@....com>
> > > Cc: Shawn Guo <shawnguo@...nel.org>
> > > Cc: Sascha Hauer <kernel@...gutronix.de>
> > > Cc: Fabio Estevam <fabio.estevam@....com>
> > > Cc: Russell King <linux@...linux.org.uk>
> > > Cc: Dong Aisheng <aisheng.dong@....com>
> > > ---
> > >  arch/arm/mach-imx/pm-imx6.c      |  2 ++
> > >  arch/arm/mach-imx/suspend-imx6.S | 24 ------------------------
> > 
> > I'm fine with the patch in general.  But this piece of code is running on a few
> > i.MX6 platforms, and I'm wondering on which SoCs you have verified the
> > change work fine.
> 
> I tested it on 6Q-SDB board. Is it ok?

Okay, I will get it into linux-next for a bit wider testing.

Shawn