Re: [PATCH v2 07/33] iommu: Add probe_device() and remove_device() call-backs

From: Joerg Roedel
Date: Wed Apr 15 2020 - 08:32:04 EST


On Wed, Apr 15, 2020 at 02:36:20PM +0800, Lu Baolu wrote:
> On 2020/4/14 21:15, Joerg Roedel wrote:
> > From: Joerg Roedel<jroedel@xxxxxxx>
> >
> > Add call-backs to 'struct iommu_ops' as an alternative to the
> > add_device() and remove_device() call-backs, which will be removed when
> > all drivers are converted.
> >
> > The new call-backs will not setupt IOMMU groups and domains anymore,
> > so also add a probe_finalize() call-back where the IOMMU driver can do
> > per-device setup work which require the device to be set up with a
> > group and a domain.
>
> The subject is inaccurate. probe_device() and release_device() are
> added to replace the add and remove pair.

This patch does not replace them yet, it just adds the new call-backs.
The removal of add_device()/remove_device() happens later in the
patch-set when all drivers are converted.

Regards,

Joerg