From mboxrd@z Thu Jan  1 00:00:00 1970
From: Lu Baolu <baolu.lu-VuQAYsv1563Yd54FQh9/CA@public.gmane.org>
Subject: Re: [PATCH v2 07/33] iommu: Add probe_device() and remove_device()
 call-backs
Date: Wed, 15 Apr 2020 14:36:20 +0800
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To: Joerg Roedel <joro-zLv9SwRftAIdnm+yROfE0A@public.gmane.org>, Will Deacon <will-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org>, Robin Murphy <robin.murphy-5wv7dgnIgG8@public.gmane.org>, Marek Szyprowski <m.szyprowski-Sze3O3UU22JBDgjK7y7TUQ@public.gmane.org>, Kukjin Kim <kgene-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org>, Krzysztof Kozlowski <krzk-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org>, David Woodhouse <dwmw2-wEGCiKHe2LqWVfeAwA7xHQ@public.gmane.org>, Andy Gross <agross-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org>, Bjorn Andersson <bjorn.andersson-QSEj5FYQhm4dnm+yROfE0A@public.gmane.org>, Matthias Brugger <matthias.bgg-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>, Rob Clark <robdclark-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>, Heiko Stuebner <heiko-4mtYJXux2i+zQB+pC5nmwQ@public.gmane.org>, Gerald Schaefer <gerald.schaefer-tA70FqPdS9bQT0dZR+AlfA@public.gmane.org>, Thierry Reding <thierry.reding-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>, Jonathan Hunter <jonathanh-DDmLM1+adcrQT0dZR+AlfA@public.gmane.org>, Jean-Philippe Brucker <jean-philippe-QSEj5FYQhm4dnm+yROfE0A@public.gmane.org>
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On 2020/4/14 21:15, Joerg Roedel wrote:
> From: Joerg Roedel<jroedel-l3A5Bk7waGM@public.gmane.org>
> 
> 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.

Best regards,
baolu