Re: [PATCH v11 0/4] Allow USB devices to remain runtime-suspended when sleeping

[dbasehore .]

On Tue, Jan 5, 2016 at 4:48 AM, Rafael J. Wysocki  wrote:
> On Monday, January 04, 2016 06:27:18 PM Derek Basehore wrote:
>> On Mon, Nov 02, 2015 at 02:50:40AM +0100, Rafael J. Wysocki wrote:
>> >
>> > I've queued up this series for the second half of the v4.4 merge window.
>> >
>> > Thanks,
>> > Rafael
>> >
>> >
>> > ___
>> > linux-arm-kernel mailing list
>> > linux-arm-ker...@lists.infradead.org
>> > http://lists.infradead.org/mailman/listinfo/linux-arm-kernel
>>
>> What's the status of this patch series? I haven't seen the patches
>> posted for v4.4, plus there's the issue that Dan found that needs to be
>> addressed.
>>
>> Is there a new revision of the patch series being worked on?
>
> Tomeu is not working on one AFAICS, but I may just revive his series.
>
> Do you have a pointer to the Dan's report?
>
> Thanks,
> Rafael
>

It was a reply to the second patch in the series. Here's a link to it
https://lkml.org/lkml/2015/11/10/107
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Re: [PATCH v11 0/4] Allow USB devices to remain runtime-suspended when sleeping

[Rafael J. Wysocki]

On Monday, January 04, 2016 06:27:18 PM Derek Basehore wrote:
> On Mon, Nov 02, 2015 at 02:50:40AM +0100, Rafael J. Wysocki wrote:
> > 
> > I've queued up this series for the second half of the v4.4 merge window.
> > 
> > Thanks,
> > Rafael
> > 
> > 
> > ___
> > linux-arm-kernel mailing list
> > linux-arm-ker...@lists.infradead.org
> > http://lists.infradead.org/mailman/listinfo/linux-arm-kernel
> 
> What's the status of this patch series? I haven't seen the patches
> posted for v4.4, plus there's the issue that Dan found that needs to be
> addressed.
> 
> Is there a new revision of the patch series being worked on?

Tomeu is not working on one AFAICS, but I may just revive his series.

Do you have a pointer to the Dan's report?

Thanks,
Rafael

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Re: Re: [PATCH v11 0/4] Allow USB devices to remain runtime-suspended when sleeping

[Derek Basehore]

On Mon, Nov 02, 2015 at 02:50:40AM +0100, Rafael J. Wysocki wrote:
> 
> I've queued up this series for the second half of the v4.4 merge window.
> 
> Thanks,
> Rafael
> 
> 
> ___
> linux-arm-kernel mailing list
> linux-arm-ker...@lists.infradead.org
> http://lists.infradead.org/mailman/listinfo/linux-arm-kernel

What's the status of this patch series? I haven't seen the patches
posted for v4.4, plus there's the issue that Dan found that needs to be
addressed.

Is there a new revision of the patch series being worked on?
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Re: [PATCH v11 0/4] Allow USB devices to remain runtime-suspended when sleeping

[Rafael J. Wysocki]

On Tuesday, October 27, 2015 03:38:47 PM Tomeu Vizoso wrote:
> Hi,
> 
> this is v11 of an attempt to make it easier for devices to remain in
> runtime PM when the system goes to sleep, mainly to reduce the time
> spent resuming devices.
> 
> For this, we interpret the absence of all PM callback implementations as
> it being safe to do direct_complete, so their ancestors aren't prevented
> from remaining runtime-suspended.
> 
> Additionally, the prepare() callback of USB devices will return 1 if
> runtime PM is enabled and the current wakeup settings are correct.
> 
> With these changes, a uvcvideo device (for example) stays in runtime
> suspend when the system goes to sleep and is left in that state when the
> system resumes, not delaying it unnecessarily.
> 
> Thanks,
> 
> Tomeu
> 
> Changes in v11:
> - Move calls to dev_pm_domain_set() out from >power.lock as that
>   isn't needed for dev->pm_domain.
> 
> Changes in v10:
> - Remove superfluous call to pm_runtime_enabled() as suggested by Alan
> 
> Changes in v9:
> - Add docs noting the need for the device lock to be held before calling
>   device_is_bound()
> - Add docs noting the need for the device lock to be held before calling
>   dev_pm_domain_set()
> - Move to CONFIG_PM_SLEEP as suggested by Rafael and Ulf.
> - Rename from device_check_pm_callbacks to device_pm_check_callbacks to
>   follow with the naming convention of existing API.
> - Re-add calling to device_pm_check_callbacks from device registration
>   and when updating the PM domain of a device.
> 
> Changes in v8:
> - Add device_is_bound()
> - Add dev_pm_domain_set() and update code to use it
> - Move no_pm_callbacks field into CONFIG_PM_SLEEP
> - Call device_check_pm_callbacks only after a device is bound or unbound
> 
> Changes in v7:
> - Reduce indentation by adding a label in device_prepare()
> 
> Changes in v6:
> - Add stub for !CONFIG_PM.
> - Move implementation of device_check_pm_callbacks to power/main.c as it
>   doesn't belong to CONFIG_PM_SLEEP.
> - Take dev->power.lock before modifying flag.
> 
> Changes in v5:
> - Check for all dev_pm_ops instances associated to a device, updating a
>   no_pm_callbacks flag at the times when that could change.
> 
> Tomeu Vizoso (4):
>   device core: add device_is_bound()
>   PM / Domains: add setter for dev.pm_domain
>   PM / sleep: Go direct_complete if driver has no callbacks
>   USB / PM: Allow USB devices to remain runtime-suspended when sleeping
> 
>  arch/arm/mach-omap2/omap_device.c |  7 ---
>  drivers/acpi/acpi_lpss.c  |  5 +++--
>  drivers/acpi/device_pm.c  |  5 +++--
>  drivers/base/dd.c | 21 +++--
>  drivers/base/power/clock_ops.c|  5 +++--
>  drivers/base/power/common.c   | 24 
>  drivers/base/power/domain.c   |  8 ++--
>  drivers/base/power/main.c | 35 +++
>  drivers/base/power/power.h|  3 +++
>  drivers/gpu/vga/vga_switcheroo.c  | 10 +-
>  drivers/misc/mei/pci-me.c |  5 +++--
>  drivers/misc/mei/pci-txe.c|  5 +++--
>  drivers/usb/core/port.c   |  6 ++
>  drivers/usb/core/usb.c|  8 +++-
>  include/linux/device.h|  2 ++
>  include/linux/pm.h|  1 +
>  include/linux/pm_domain.h |  3 +++
>  17 files changed, 130 insertions(+), 23 deletions(-)

I've queued up this series for the second half of the v4.4 merge window.

Thanks,
Rafael

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