From: Geert Uytterhoeven <geert@linux-m68k.org>
To: Ulf Hansson <ulf.hansson@linaro.org>
Cc: "Rafael J. Wysocki" <rjw@rjwysocki.net>,
Linux PM list <linux-pm@vger.kernel.org>,
Kevin Hilman <khilman@kernel.org>,
Viresh Kumar <viresh.kumar@linaro.org>,
Geert Uytterhoeven <geert+renesas@glider.be>,
Simon Horman <horms@verge.net.au>,
Niklas Soderlund <niklas.soderlund+renesas@ragnatech.se>,
Linux-Renesas <linux-renesas-soc@vger.kernel.org>
Subject: Re: [PATCH v2 2/3] PM / core: Add IN_BAND_WAKEUP driver flag
Date: Tue, 12 Dec 2017 09:16:27 +0100 [thread overview]
Message-ID: <CAMuHMdX4jNL7Md5rgUj63sBC1KUqYa5K-cbxM+ineW9KkB9r=g@mail.gmail.com> (raw)
In-Reply-To: <CAPDyKFoey_kSf0OE7OmHCX4H4VFQcWOU6NE4suZ9=9stZVQNpQ@mail.gmail.com>
Hi Ulf,
On Mon, Dec 11, 2017 at 9:59 PM, Ulf Hansson <ulf.hansson@linaro.org> wrote:
> That together with an option of allowing "consumed resource-devices"
> (irqchip) to be included in the wakeup path. I am thinking, perhaps
> another driver PM flag (DPM_FLAG_WAKEUP_PATH), that the PM core looks
> at and sets ->power.wakeup_path flag for the device and its parents.
This is complicated by the fact that currently the device and irq
subsystems don't really share data. E.g. {en,dis}able_irq_wake() and
irq_set_irq_wake() don't take a device parameter, only an interrupt number,
and conversion from interrupt numbers to devices is non-trivial.
That's why I handled it in the irqchip drivers in the series referenced
below.
> [1]
> https://www.spinics.net/lists/linux-renesas-soc/msg19947.html
Gr{oetje,eeting}s,
Geert
--
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@linux-m68k.org
In personal conversations with technical people, I call myself a hacker. But
when I'm talking to journalists I just say "programmer" or something like that.
-- Linus Torvalds
next prev parent reply other threads:[~2017-12-12 8:16 UTC|newest]
Thread overview: 18+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-11-13 15:46 [PATCH v2 0/3] PM / core: Invent a WAKEUP_POWERED driver flag Ulf Hansson
2017-11-13 15:46 ` [PATCH v2 1/3] PM / core: Re-factor some code dealing with parents in __device_suspend() Ulf Hansson
2017-12-06 1:01 ` Rafael J. Wysocki
2017-11-13 15:46 ` [PATCH v2 2/3] PM / core: Add IN_BAND_WAKEUP driver flag Ulf Hansson
2017-12-01 11:17 ` Vincent Guittot
2017-12-10 2:30 ` Rafael J. Wysocki
2017-12-10 9:18 ` Ulf Hansson
2017-12-10 10:16 ` Geert Uytterhoeven
2017-12-11 10:24 ` Ulf Hansson
2017-12-11 10:48 ` Geert Uytterhoeven
2017-12-11 20:59 ` Ulf Hansson
2017-12-12 8:16 ` Geert Uytterhoeven [this message]
2017-12-12 14:20 ` Ulf Hansson
2017-12-14 10:52 ` Geert Uytterhoeven
2017-12-14 14:13 ` Ulf Hansson
2017-12-14 14:27 ` Geert Uytterhoeven
2017-11-13 15:46 ` [PATCH v2 3/3] PM / Domains: Take wakeup_path_in_band status flag into account Ulf Hansson
2017-11-13 15:50 ` [PATCH v2 0/3] PM / core: Invent a WAKEUP_POWERED driver flag Ulf Hansson
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