Reviewed-by: Bingbu Cao <bingbu.cao@xxxxxxxxx> ________________________ BRs, Intel VTG - Linux & Chrome IPU SW Bingbu Cao > -----Original Message----- > From: Sakari Ailus <sakari.ailus@xxxxxxxxxxxxxxx> > Sent: Wednesday, February 1, 2023 21:38 > To: linux-media@xxxxxxxxxxxxxxx > Cc: Cao, Bingbu <bingbu.cao@xxxxxxxxx> > Subject: [PATCH 1/1] media: ipu3-cio2: Fix PM runtime usage_count in driver > unbind > > Get the PM runtime usage_count and forbid PM runtime at driver unbind. The > opposite is being done in probe() already. > > Signed-off-by: Sakari Ailus <sakari.ailus@xxxxxxxxxxxxxxx> > --- > drivers/media/pci/intel/ipu3/ipu3-cio2-main.c | 3 +++ > 1 file changed, 3 insertions(+) > > diff --git a/drivers/media/pci/intel/ipu3/ipu3-cio2-main.c > b/drivers/media/pci/intel/ipu3/ipu3-cio2-main.c > index 390bd5ea3472..3b76a9d0383a 100644 > --- a/drivers/media/pci/intel/ipu3/ipu3-cio2-main.c > +++ b/drivers/media/pci/intel/ipu3/ipu3-cio2-main.c > @@ -1843,6 +1843,9 @@ static void cio2_pci_remove(struct pci_dev *pci_dev) > v4l2_device_unregister(&cio2->v4l2_dev); > media_device_cleanup(&cio2->media_dev); > mutex_destroy(&cio2->lock); > + > + pm_runtime_forbid(&pci_dev->dev); > + pm_runtime_get_noresume(&pci_dev->dev); > } > > static int __maybe_unused cio2_runtime_suspend(struct device *dev) > -- > 2.30.2
