[v4, 1/9] ACPI / PM: Let acpi_dev_pm_detach() return an error code

[Rafael J. Wysocki]

On Friday, September 12, 2014 02:05:53 PM Dmitry Torokhov wrote:
> Hi Ulf,
> 
> On Tue, Sep 09, 2014 at 01:36:02PM +0200, Ulf Hansson wrote:
> > To give callers the option of acting on a errors while removing the
> > pm_domain ops for the device in the ACPI PM domain, let
> > acpi_dev_pm_detach() return an int to provide the error code.
> 
> So how would callers handle the errors? As far as I can see
> acpi_dev_pm_detach() is called from ->remove() and ->shutdown() methods, where
> there is no meaningful strategy to handle errors as you are past the point of
> no return and you keep on tearing down the device.

This is specifically for what patch [3/9] is doing AFAICS.  

The existing callers don't need to worry about this.

Rafael