On Friday, January 12, 2018 2:46:12 PM CET Ulf Hansson wrote:
> On 12 January 2018 at 02:55, Rafael J. Wysocki wrote:
> > On Tue, Jan 9, 2018 at 7:08 AM, Ulf Hansson wrote:
> >> On 3 January 2018 at 12:06, Rafael J. Wysocki wrote:
> >>> From: Rafael J. Wysocki
> >>>
> >>> One of the limitations
On 12 January 2018 at 02:55, Rafael J. Wysocki wrote:
> On Tue, Jan 9, 2018 at 7:08 AM, Ulf Hansson wrote:
>> On 3 January 2018 at 12:06, Rafael J. Wysocki wrote:
>>> From: Rafael J. Wysocki
>>>
>>> One of the limitations of pm_runtime_force_suspend/resume() is that
>>> if a parent driver wants
On Friday, January 12, 2018 12:26:56 PM CET Geert Uytterhoeven wrote:
> Hi Rafael,
>
> On Tue, Jan 9, 2018 at 5:28 PM, Rafael J. Wysocki wrote:
> > On Tuesday, January 9, 2018 5:03:18 PM CET Rafael J. Wysocki wrote:
> >> On Tue, Jan 9, 2018 at 4:30 PM, Geert Uytterhoeven
> >> wrote:
> >> > On T
Hi Rafael,
On Tue, Jan 9, 2018 at 5:28 PM, Rafael J. Wysocki wrote:
> On Tuesday, January 9, 2018 5:03:18 PM CET Rafael J. Wysocki wrote:
>> On Tue, Jan 9, 2018 at 4:30 PM, Geert Uytterhoeven
>> wrote:
>> > On Tue, Jan 9, 2018 at 4:00 PM, Rafael J. Wysocki
>> > wrote:
>> >> On Tue, Jan 9, 201
Hi Rafael,
On Tue, Jan 9, 2018 at 5:25 PM, Rafael J. Wysocki wrote:
> On Tuesday, January 9, 2018 4:00:35 PM CET Rafael J. Wysocki wrote:
>> On Tue, Jan 9, 2018 at 2:37 PM, Geert Uytterhoeven
>> wrote:
>> > On Wed, Jan 3, 2018 at 12:06 PM, Rafael J. Wysocki
>> > wrote:
>> >> From: Rafael J. W
On Tue, Jan 9, 2018 at 7:08 AM, Ulf Hansson wrote:
> On 3 January 2018 at 12:06, Rafael J. Wysocki wrote:
>> From: Rafael J. Wysocki
>>
>> One of the limitations of pm_runtime_force_suspend/resume() is that
>> if a parent driver wants to use these functions, all of its child
>> drivers have to d
On Thu, Jan 11, 2018 at 1:32 PM, Ulf Hansson wrote:
[cut]
>>>
>>> The point is, we can go for this solution, but is it good enough?
>>
>> I would like to treat it as a step away from what is there today,
>> retaining some of the existing functionality.
>>
>> From a quick look at the existing use
[...]
>>> Index: linux-pm/drivers/base/power/domain.c
>>> ===
>>> --- linux-pm.orig/drivers/base/power/domain.c
>>> +++ linux-pm/drivers/base/power/domain.c
>>> @@ -1048,8 +1048,9 @@ static int genpd_finish_suspend(struct d
>>>
On Wed, Jan 10, 2018 at 10:26 AM, Ulf Hansson wrote:
> On 9 January 2018 at 17:28, Rafael J. Wysocki wrote:
>> On Tuesday, January 9, 2018 5:03:18 PM CET Rafael J. Wysocki wrote:
>>> On Tue, Jan 9, 2018 at 4:30 PM, Geert Uytterhoeven
>>> wrote:
[cut]
>>> That's because of the pm_runtime_force
On 9 January 2018 at 17:28, Rafael J. Wysocki wrote:
> On Tuesday, January 9, 2018 5:03:18 PM CET Rafael J. Wysocki wrote:
>> On Tue, Jan 9, 2018 at 4:30 PM, Geert Uytterhoeven
>> wrote:
>> > Hi Rafael,
>> >
>> > CC usb
>> >
>> > On Tue, Jan 9, 2018 at 4:00 PM, Rafael J. Wysocki
>> > wrote:
>>
On Tue, Jan 9, 2018 at 7:46 PM, Rafael J. Wysocki wrote:
> On Tue, Jan 9, 2018 at 2:37 PM, Geert Uytterhoeven
> wrote:
>> Hi Rafael,
>>
>> On Wed, Jan 3, 2018 at 12:06 PM, Rafael J. Wysocki
>> wrote:
>>> From: Rafael J. Wysocki
>>>
[cut]
>>>
>>> Signed-off-by: Rafael J. Wysocki
>>
>> This
On Tue, Jan 9, 2018 at 2:37 PM, Geert Uytterhoeven wrote:
> Hi Rafael,
>
> On Wed, Jan 3, 2018 at 12:06 PM, Rafael J. Wysocki wrote:
>> From: Rafael J. Wysocki
>>
>> One of the limitations of pm_runtime_force_suspend/resume() is that
>> if a parent driver wants to use these functions, all of its
On Tuesday, January 9, 2018 5:03:18 PM CET Rafael J. Wysocki wrote:
> On Tue, Jan 9, 2018 at 4:30 PM, Geert Uytterhoeven
> wrote:
> > Hi Rafael,
> >
> > CC usb
> >
> > On Tue, Jan 9, 2018 at 4:00 PM, Rafael J. Wysocki wrote:
> >> On Tue, Jan 9, 2018 at 2:37 PM, Geert Uytterhoeven
> >> wrote:
>
sabled?
>
> Probably.
>
> Likely a device that wasn't resumed before resumes now and that causes
> the issue to appear.
>
> I'm wondering if adding the ignore_children check to the patch helps.
> If not, there clearly is a resume ordering issue that is pape
On Tue, Jan 9, 2018 at 4:30 PM, Geert Uytterhoeven wrote:
> Hi Rafael,
>
> CC usb
>
> On Tue, Jan 9, 2018 at 4:00 PM, Rafael J. Wysocki wrote:
>> On Tue, Jan 9, 2018 at 2:37 PM, Geert Uytterhoeven
>> wrote:
>>> On Wed, Jan 3, 2018 at 12:06 PM, Rafael J. Wysocki
>>> wrote:
From: Rafael J.
Hi Rafael,
CC usb
On Tue, Jan 9, 2018 at 4:00 PM, Rafael J. Wysocki wrote:
> On Tue, Jan 9, 2018 at 2:37 PM, Geert Uytterhoeven
> wrote:
>> On Wed, Jan 3, 2018 at 12:06 PM, Rafael J. Wysocki
>> wrote:
>>> From: Rafael J. Wysocki
>>>
>>> One of the limitations of pm_runtime_force_suspend/res
On Tue, Jan 9, 2018 at 2:37 PM, Geert Uytterhoeven wrote:
> Hi Rafael,
>
> On Wed, Jan 3, 2018 at 12:06 PM, Rafael J. Wysocki wrote:
>> From: Rafael J. Wysocki
>>
>> One of the limitations of pm_runtime_force_suspend/resume() is that
>> if a parent driver wants to use these functions, all of its
Hi Ulf,
On Tue, Jan 9, 2018 at 3:27 PM, Ulf Hansson wrote:
> On 9 January 2018 at 14:37, Geert Uytterhoeven wrote:
>> On Wed, Jan 3, 2018 at 12:06 PM, Rafael J. Wysocki
>> wrote:
>>> From: Rafael J. Wysocki
>>> One of the limitations of pm_runtime_force_suspend/resume() is that
>>> if a paren
On 9 January 2018 at 14:37, Geert Uytterhoeven wrote:
> Hi Rafael,
>
> On Wed, Jan 3, 2018 at 12:06 PM, Rafael J. Wysocki wrote:
>> From: Rafael J. Wysocki
>>
>> One of the limitations of pm_runtime_force_suspend/resume() is that
>> if a parent driver wants to use these functions, all of its chi
[...]
>> > +++ linux-pm/drivers/base/power/runtime.c
>> > @@ -1613,17 +1613,28 @@ void pm_runtime_drop_link(struct device
>> > spin_unlock_irq(&dev->power.lock);
>> > }
>> >
>> > +static bool pm_runtime_need_not_resume(struct device *dev)
>> > +{
>> > + return atomic_read(&dev->powe
Hi Rafael,
On Wed, Jan 3, 2018 at 12:06 PM, Rafael J. Wysocki wrote:
> From: Rafael J. Wysocki
>
> One of the limitations of pm_runtime_force_suspend/resume() is that
> if a parent driver wants to use these functions, all of its child
> drivers have to do that too because of the parent usage cou
On Tuesday, January 9, 2018 7:08:21 AM CET Ulf Hansson wrote:
> On 3 January 2018 at 12:06, Rafael J. Wysocki wrote:
> > From: Rafael J. Wysocki
> >
> > One of the limitations of pm_runtime_force_suspend/resume() is that
> > if a parent driver wants to use these functions, all of its child
> > dr
On 3 January 2018 at 12:06, Rafael J. Wysocki wrote:
> From: Rafael J. Wysocki
>
> One of the limitations of pm_runtime_force_suspend/resume() is that
> if a parent driver wants to use these functions, all of its child
> drivers have to do that too because of the parent usage counter
> manipulati
From: Rafael J. Wysocki
One of the limitations of pm_runtime_force_suspend/resume() is that
if a parent driver wants to use these functions, all of its child
drivers have to do that too because of the parent usage counter
manipulations necessary to get the correct state of the parent during
syste
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