[RFC PATCH 1/2] pm: Add PM domain notifications

Tomasz Figa tfiga at chromium.org
Thu Dec 11 03:04:25 PST 2014

Hi Sylwester,

On Thu, Dec 11, 2014 at 7:36 PM, Sylwester Nawrocki
<s.nawrocki at samsung.com> wrote:
> Hi Tomasz,
> On 11/12/14 09:26, Tomasz Figa wrote:
> > From: Sylwester Nawrocki <s.nawrocki at samsung.com>
> >
> > This patch adds notifiers to the runtime PM/genpd subsystem. It is now
> > possible to register a notifier, which will be called before and after
> > the generic power domain subsystem calls the power domain's power_on
> > and power_off callbacks.
> >
> > Signed-off-by: Sylwester Nawrocki <s.nawrocki at samsung.com>
> > [tfiga at chromium.org: rebased]
> > Signed-off-by: Tomasz Figa <tfiga at chromium.org>
> Not sure if you've noticed it, I posted an updated version of this patch
> recently [1]. The notifiers list is moved to struct generic_pm_domain
> there and it also allows to register a notifier for selected power domain
> by name.
> [1] http://www.spinics.net/lists/linux-samsung-soc/msg38549.html

Ah, haven't noticed, sorry. The API using devices looks the same, so I
guess we can simply have patch 2/2 of this series applied on top of
your patch.

By the way, look-up by name (presumably hardcoded somewhere?) sounds a
bit strange to me. What was the reason for it to be added?

Best regards,

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