Displaying 2 results from an estimated 2 matches for "i2c_register_adapt".
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i2c_register_adapter
2018 Jul 18
1
[PATCH 1/5] drm/nouveau: Prevent RPM callback recursion in suspend/resume paths
...tell the PM core about these devices by calling
> pm_runtime_no_callbacks().
>
> So it might actually be sufficient to just call pm_runtime_no_callbacks()
I would have hoped so, but unfortunately it seems that
pm_runtime_no_callbacks() is already called by default for i2c adapters in
i2c_register_adapter(). Unfortunately this really can't fix the problem
though, because it will still try to runtime resume the parent device of the
i2c adapter, which still leads to deadlocking in the runtime suspend/resume
path.
Additionally; I did play around with ignore_children, but unfortunately this
isn...
2018 Jul 18
3
[PATCH 1/5] drm/nouveau: Prevent RPM callback recursion in suspend/resume paths
On Wed, Jul 18, 2018 at 09:38:41AM +0200, Rafael J. Wysocki wrote:
> On Tue, Jul 17, 2018 at 8:20 PM, Lukas Wunner <lukas at wunner.de> wrote:
> > Okay, the PCI device is suspending and the nvkm_i2c_aux_acquire()
> > wants it in resumed state, so is waiting forever for the device to
> > runtime suspend in order to resume it again immediately afterwards.
> >
>