Subject: [PATCH] PM / Domains: Change prototype for the ->attach_dev() callback

From: [email-masked] (Kevin Hilman)
Date: Thu, 30 Oct 2014 13:38:30 -0700

"Rafael J. Wysocki" <[email-masked]> writes:

> On Thursday, October 30, 2014 01:02:49 PM Ulf Hansson wrote:
>> Convert the prototype to return and int. This is just an initial step,
>> needed to support error handling.
>> 
>> Signed-off-by: Ulf Hansson <[email-masked]>

Acked-by: Kevin Hilman <[email-masked]>

>> 
>> This patch is intended as fix for 3.18 rc[n]. Why?
>> 
>> There are other SOC specific patches around that adds genpd support and which
>> implements the ->attach_dev() callback. To prevent having an "atomic" patch
>> during the next release cycle, let's change the prototype now instead.
>> 
>> Further patches will add the actual error handling in genpd and these can then
>> be reviewed and tested thoroughly.
>
> So we have no users of ->attach_dev at the moment, right?

Not in mainline, but there are a couple getting ready to hit -next, so
we wanted to fix this before they arrive so that adding the error
handling will be easier.

Kevin