Messages in this thread | | | From | "Rafael J. Wysocki" <> | Date | Tue, 22 Aug 2023 22:05:03 +0200 | Subject | Re: [PATCH] PM: sleep: Add helpers to allow a device to remain powered-on |
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On Thu, Aug 17, 2023 at 11:40 AM Peng Fan <peng.fan@nxp.com> wrote: > > > Subject: [PATCH] PM: sleep: Add helpers to allow a device to remain > > powered-on > > > > On some platforms a device and its corresponding PM domain, may need to > > remain powered-on during system wide suspend, to support various use > > cases. > > For example, when the console_suspend_enabled flag is unset for a serial > > controller, the corresponding device may need to remain powered on. > > Other use cases exists too. > > > > In fact, we already have the mechanism in the PM core to deal with these > > kind of use cases. However, the current naming of the corresponding > > functions/flags clearly suggests these should be use for system wakeup. > > See device_wakeup_path(), device_set_wakeup_path and > > dev->power.wakeup_path. > > > > As a way to extend the use of the existing mechanism, let's introduce two > > new helpers functions, device_awake_path() and device_set_awake_path(). > > At this point, let them act as wrappers of the existing functions. Ideally, > > when all users have been converted to use the new helpers, we may decide > > to drop the old ones and rename the flag. > > > > Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org> > > Reviewed-by: Peng Fan <peng.fan@nxp.com>
Applied as 6.6 material, thanks!
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