On 29/06/2020 09:36, Vaibhav Gupta wrote: > The .suspend() and .resume() callbacks are not defined for this driver. > Still, their power managemgement stucture can be easily upgraded to > gemeric, without affecting its normal behaviour. > > Hence, define them NULL and use struct dev_pm_ops type to bind them. > > Compile-tested only. > > Signed-off-by: Vaibhav Gupta <vaibhavgupta40@xxxxxxxxx> > --- > drivers/media/pci/cx25821/cx25821-core.c | 8 ++++++-- > 1 file changed, 6 insertions(+), 2 deletions(-) > > diff --git a/drivers/media/pci/cx25821/cx25821-core.c b/drivers/media/pci/cx25821/cx25821-core.c > index 41be22ce66f3..59501939d741 100644 > --- a/drivers/media/pci/cx25821/cx25821-core.c > +++ b/drivers/media/pci/cx25821/cx25821-core.c > @@ -1369,14 +1369,18 @@ static const struct pci_device_id cx25821_pci_tbl[] = { > > MODULE_DEVICE_TABLE(pci, cx25821_pci_tbl); > > +#define cx25821_suspend NULL > +#define cx25821_resume NULL > + > +static SIMPLE_DEV_PM_OPS(cx25821_pm_ops, cx25821_suspend, cx25821_resume); > + > static struct pci_driver cx25821_pci_driver = { > .name = "cx25821", > .id_table = cx25821_pci_tbl, > .probe = cx25821_initdev, > .remove = cx25821_finidev, > /* TODO */ > - .suspend = NULL, > - .resume = NULL, > + .driver.pm = &cx25821_pm_ops, > }; Same question as for 2/6. Regards, Hans > > static int __init cx25821_init(void) >