linux-kernel - Re: [PATCH v3 00/47] kernel: Add support for power-off handler call chain

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Date:	Mon, 27 Oct 2014 12:33:10 -0500
From:	Felipe Balbi <balbi@...com>
To:	Guenter Roeck <linux@...ck-us.net>
CC:	Felipe Balbi <balbi@...com>, <linux-kernel@...r.kernel.org>,
	<linux-pm@...r.kernel.org>, Alan Cox <gnomes@...rguk.ukuu.org.uk>,
	Alexander Graf <agraf@...e.de>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Geert Uytterhoeven <geert@...ux-m68k.org>,
	Heiko Stuebner <heiko@...ech.de>,
	Lee Jones <lee.jones@...aro.org>,
	Len Brown <len.brown@...el.com>, Pavel Machek <pavel@....cz>,
	"Rafael J. Wysocki" <rjw@...ysocki.net>,
	Romain Perier <romain.perier@...il.com>,
	Johan Hovold <johan@...nel.org>
Subject: Re: [PATCH v3 00/47] kernel: Add support for power-off handler call
 chain

On Mon, Oct 27, 2014 at 10:16:17AM -0700, Guenter Roeck wrote:
> On Mon, Oct 27, 2014 at 11:03:24AM -0500, Felipe Balbi wrote:
> > Adding Johan, who's working on RTC power off for AM335x devices
> > 
> Hi Felipe,
> 
> is that the rtc-omap driver ?

yes it is.

> I am tracking linux-next for related changes. As new power-off handlers are
> introduced, I prepare patches for those as well. I currently have patches for
> the following two drivers in the queue:
> 	drivers/regulator/act8865-regulator.c
> 	drivers/rtc/rtc-omap.c
> 
> I plan to send review requests for those patches in a week or so (I think
> there is still some change pending to the power-off function in the rtc-omap
> driver, and I want to wait for it).

yeah, Johan's working on that.

> My current plan is to send a pull request for the series directly to Linus
> when the next commit window opens; this is what a number of maintainers
> suggested I should do. This pull request would exclude the last patch,
> so pm_power_off would still be there. Next steps would then be to submit
> another set of patches to update the newly introduced power-off handlers
> and then to finally remove pm_power_off; this would probably happen after
> the commit window closes.
> 
> At least that is the plan unless someone has a better idea ....

sounds like a good idea to me :-)

> There may be some variants; for example, it might make sense to create an
> immutable branch with the key patches (1-3 and 8) to enable others to use
> the new functions immediately. That would require Acks from affected
> maintainers for patch 1, though, so I can not do that yet.

alright, I think an immutable branch people can merge would be
appreciated nevertheless, but I'd certainly defer that to arch and soc
maintainers.

cheers

-- 
balbi

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