| Message ID | 20200910115708.263c8e02@endymion |
|---|---|
| State | Accepted |
| Commit | 845b89127bc5458d0152a4d63f165c62a22fcb70 |
| Headers | show |
| Series | i2c: i801: Exclude device from suspend direct complete optimization | expand |
On Thu, Sep 10, 2020 at 11:57:08AM +0200, Jean Delvare wrote: > By default, PCI drivers with runtime PM enabled will skip the calls > to suspend and resume on system PM. For this driver, we don't want > that, as we need to perform additional steps for system PM to work > properly on all systems. So instruct the PM core to not skip these > calls. > > Fixes: a9c8088c7988 ("i2c: i801: Don't restore config registers on runtime PM") > Reported-by: Volker Rümelin <volker.ruemelin@googlemail.com> > Signed-off-by: Jean Delvare <jdelvare@suse.de> > Cc: stable@vger.kernel.org Applied to for-current, thanks!
--- linux-5.8.orig/drivers/i2c/busses/i2c-i801.c 2020-09-09 18:41:55.118961045 +0200 +++ linux-5.8/drivers/i2c/busses/i2c-i801.c 2020-09-10 11:36:40.352858458 +0200 @@ -1917,6 +1917,7 @@ static int i801_probe(struct pci_dev *de pci_set_drvdata(dev, priv); + dev_pm_set_driver_flags(&dev->dev, DPM_FLAG_NO_DIRECT_COMPLETE); pm_runtime_set_autosuspend_delay(&dev->dev, 1000); pm_runtime_use_autosuspend(&dev->dev); pm_runtime_put_autosuspend(&dev->dev);
By default, PCI drivers with runtime PM enabled will skip the calls to suspend and resume on system PM. For this driver, we don't want that, as we need to perform additional steps for system PM to work properly on all systems. So instruct the PM core to not skip these calls. Fixes: a9c8088c7988 ("i2c: i801: Don't restore config registers on runtime PM") Reported-by: Volker Rümelin <volker.ruemelin@googlemail.com> Signed-off-by: Jean Delvare <jdelvare@suse.de> Cc: stable@vger.kernel.org --- drivers/i2c/busses/i2c-i801.c | 1 + 1 file changed, 1 insertion(+)