linux-kernel - Re: [PATCH] pmdomain: core: Introduce device_set/get_out_band

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Message-ID: <20250403094629.GA20718@nxa18884-linux>
Date: Thu, 3 Apr 2025 17:46:29 +0800
From: Peng Fan <peng.fan@....nxp.com>
To: ulf.hansson@...aro.org, rafael@...nel.org, pavel@...nel.org,
	len.brown@...el.com, vincent.guittot@...aro.org
Cc: linux-pm@...r.kernel.org, linux-kernel@...r.kernel.org,
	Peng Fan <peng.fan@....com>
Subject: Re: [PATCH] pmdomain: core: Introduce
 device_set/get_out_band_wakeup()

Hi Ulf,

On Tue, Mar 11, 2025 at 04:32:39PM +0800, Peng Fan (OSS) wrote:
>From: Peng Fan <peng.fan@....com>
>
>For some cases, a device could still wakeup the system even if its power
>domain is in off state, because the device's wakeup hardware logic is
>in an always-on domain.
>
>To support this case, introduce device_set/get_out_band_wakeup() to
>allow device drivers to control the behaviour in genpd for a device
>that is attached to it.

Do you have any comments on this patch?

Thanks,
Peng