Received-SPF: pass (google.com: domain of linux-kernel+bounces-146872-linux.lists.archive=gmail.com@vger.kernel.org designates 139.178.88.99 as permitted sender) client-ip=139.178.88.99;
Date: Tue, 16 Apr 2024 14:24:39 +0100
From: Cristian Marussi <cristian.marussi@arm.com>
To: Peng Fan <peng.fan@nxp.com>
Cc: "Peng Fan (OSS)" <peng.fan@oss.nxp.com>,
	"sudeep.holla@arm.com" <sudeep.holla@arm.com>,
	"linux-arm-kernel@lists.infradead.org" <linux-arm-kernel@lists.infradead.org>,
	"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>
Subject: Re: [PATCH] firmware: arm_scmi: power_control: support suspend
 command
Message-ID: <Zh58F_TuQMO-swOU@pluto>
References: <20240415101141.1591112-1-peng.fan@oss.nxp.com>
 <Zh2R4FZPmVOigfT9@pluto>
 <DU0PR04MB9417AC020C28AD5847CAB24088082@DU0PR04MB9417.eurprd04.prod.outlook.com>
 <Zh5P2EtruMmTrgXM@pluto>
 <DU0PR04MB9417FFF8A9FB5018125C524688082@DU0PR04MB9417.eurprd04.prod.outlook.com>
Precedence: bulk
MIME-Version: 1.0
Content-Type: text/plain; charset=us-ascii
Content-Disposition: inline
In-Reply-To: <DU0PR04MB9417FFF8A9FB5018125C524688082@DU0PR04MB9417.eurprd04.prod.outlook.com>

On Tue, Apr 16, 2024 at 12:34:14PM +0000, Peng Fan wrote:
> > Subject: Re: [PATCH] firmware: arm_scmi: power_control: support suspend
> > command
> > 
> > On Tue, Apr 16, 2024 at 07:01:42AM +0000, Peng Fan wrote:
> > > Hi Cristian,
> > >
> > 
> > Hi,

Hi,

> > 
> > > > Subject: Re: [PATCH] firmware: arm_scmi: power_control: support
> > > > suspend command
> > > >
> > > > On Mon, Apr 15, 2024 at 06:11:41PM +0800, Peng Fan (OSS) wrote:
> > > > > From: Peng Fan <peng.fan@nxp.com>
> > > > >
> > > > > Support System suspend notification. Using a work struct to call
> > > > > pm_suspend. There is no way to pass suspend level to pm_suspend,
> > > > > so use MEM as of now.

[snip]

> > But, as said, I dont think there is a way to trigger a userspace suspennd from
> > jernel like we do for shutdown/reboot...I'll try to investigate a bit more.
> 
> Thanks for helping.

. also

scmi_power_control.c:95: warning: Function parameter or struct member 'suspend_work' not described in 'scmi_syspower_conf'

Thanks,
Cristian