On Wed, Aug 3, 2022 at 12:03 PM Eric Auger <eric.auger@xxxxxxxxxx> wrote:
>
> Hi Andy,
>
> On 8/2/22 21:35, Andy Shevchenko wrote:
> > In order to make the underneath API easier to change in the future,
> > prevent users from dereferencing fwnode from struct device.
> > Instead, use the specific dev_fwnode() and device_match_fwnode()
> > APIs for that.
> >
> > Signed-off-by: Andy Shevchenko <andriy.shevchenko@xxxxxxxxxxxxxxx>
> Reviewed-by: Eric Auger <eric.auger@xxxxxxxxxx>
Applied, thanks!
> > ---
> > drivers/acpi/viot.c | 6 +++---
> > 1 file changed, 3 insertions(+), 3 deletions(-)
> >
> > diff --git a/drivers/acpi/viot.c b/drivers/acpi/viot.c
> > index 647f11cf165d..6132092dab2a 100644
> > --- a/drivers/acpi/viot.c
> > +++ b/drivers/acpi/viot.c
> > @@ -88,7 +88,7 @@ static int __init viot_get_pci_iommu_fwnode(struct viot_iommu *viommu,
> > return -ENODEV;
> > }
> >
> > - fwnode = pdev->dev.fwnode;
> > + fwnode = dev_fwnode(&pdev->dev);
> > if (!fwnode) {
> > /*
> > * PCI devices aren't necessarily described by ACPI. Create a
> > @@ -101,7 +101,7 @@ static int __init viot_get_pci_iommu_fwnode(struct viot_iommu *viommu,
> > }
> > set_primary_fwnode(&pdev->dev, fwnode);
> > }
> > - viommu->fwnode = pdev->dev.fwnode;
> > + viommu->fwnode = dev_fwnode(&pdev->dev);
> > pci_dev_put(pdev);
> > return 0;
> > }
> > @@ -314,7 +314,7 @@ static int viot_dev_iommu_init(struct device *dev, struct viot_iommu *viommu,
> > return -ENODEV;
> >
> > /* We're not translating ourself */
> > - if (viommu->fwnode == dev->fwnode)
> > + if (device_match_fwnode(dev, viommu->fwnode))
> > return -EINVAL;
> >
> > ops = iommu_ops_from_fwnode(viommu->fwnode);
>
