From mboxrd@z Thu Jan  1 00:00:00 1970
From: Joerg Roedel <jroedel-l3A5Bk7waGM@public.gmane.org>
Subject: Re: [PATCH v2 07/33] iommu: Add probe_device() and remove_device()
 call-backs
Date: Wed, 15 Apr 2020 14:31:40 +0200
Message-ID: <20200415123140.GC21899@suse.de>
References: <20200414131542.25608-1-joro@8bytes.org>
 <20200414131542.25608-8-joro@8bytes.org>
 <0ad37581-b464-30ac-c503-4c0daaf43867@linux.intel.com>
Mime-Version: 1.0
Content-Type: text/plain; charset=us-ascii
Return-path: <linux-tegra-owner-u79uwXL29TY76Z2rM5mHXA@public.gmane.org>
Content-Disposition: inline
In-Reply-To: <0ad37581-b464-30ac-c503-4c0daaf43867-VuQAYsv1563Yd54FQh9/CA@public.gmane.org>
Sender: linux-tegra-owner-u79uwXL29TY76Z2rM5mHXA@public.gmane.org
To: Lu Baolu <baolu.lu-VuQAYsv1563Yd54FQh9/CA@public.gmane.org>
Cc: 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>, iommu-cunTk1MwBs9QetFLy7KEm3xJsTq8ys+cHZ5vskTnxNA@public.gmane.org, linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, linux-samsung-soc-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, linux-arm-msm-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, linux-med
List-Id: linux-tegra@vger.kernel.org

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-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.

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