Re: [PATCH v8 07/22] ACPI: Separate acpi_bus_trim to support two steps.

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On Monday, January 14, 2013 10:31:35 PM Yinghai Lu wrote:
> On Sat, Jan 12, 2013 at 2:40 PM, Rafael J. Wysocki <rjw@xxxxxxx> wrote:
> > On Friday, January 11, 2013 02:40:34 PM Yinghai Lu wrote:
> >> Current all acpi_bus_trim callers have rmdevice to 1.
> >> that means it will remove all acpi devices.
> >>
> >> When 0, is passed, it will keep the parent.
> >>
> >> For root bus hotremove support, we need to have pci device to be
> >> removed before acpi devices.
> >>
> >> So try to keep all acpi devices, and only stop drivers with them.
> >>
> >> This change should be safe because all current callers all have 1 passed.
> >
> > I'm not sure how the chanelog is related to the patch itself.
> >
> > The patch modifies the behavior of acpi_bus_trim() to avoid removing all
> > devices (not just the start point) for rmdevice==0, which doesn't really change
> > the functionality, because all callers pass rmdevice=1 anyway.
> >
> > Yes, we can make this change, but why is it necessary?
> >
> > And why don't we remove the rmdevice argument from acpi_bus_trim() altogether?
> 
> this patch is not needed after your changes with acpi_bus_trim.

OK, cool. :-)

Thanks,
Rafael


-- 
I speak only for myself.
Rafael J. Wysocki, Intel Open Source Technology Center.
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