From: "Heiko Stübner" <heiko@sntech.de>
To: joro@8bytes.org, will@kernel.org, robh+dt@kernel.org,
xxm@rock-chips.com, robin.murphy@arm.com,
Benjamin Gaignard <benjamin.gaignard@collabora.com>
Cc: iommu@lists.linux-foundation.org, devicetree@vger.kernel.org,
linux-arm-kernel@lists.infradead.org,
linux-rockchip@lists.infradead.org, linux-kernel@vger.kernel.org,
kernel@collabora.com,
Benjamin Gaignard <benjamin.gaignard@collabora.com>
Subject: Re: [PATCH v5 3/4] iommu: rockchip: Add internal ops to handle variants
Date: Fri, 21 May 2021 11:16:30 +0200 [thread overview]
Message-ID: <4753042.QJadu78ljV@diego> (raw)
In-Reply-To: <20210521083637.3221304-4-benjamin.gaignard@collabora.com>
Am Freitag, 21. Mai 2021, 10:36:36 CEST schrieb Benjamin Gaignard:
> Add internal ops to be able to handle incoming variant v2.
> The goal is to keep the overall structure of the framework but
> to allow to add the evolution of this hardware block.
>
> The ops are global for a SoC because iommu domains are not
> attached to a specific devices if they are for a virtuel device like
> drm. Use a global variable shouldn't be since SoC usually doesn't
> embedded different versions of the iommu hardware block.
> If that happen one day a WARN_ON will be displayed at probe time.
>
> Signed-off-by: Benjamin Gaignard <benjamin.gaignard@collabora.com>
Reviewed-by: Heiko Stuebner <heiko@sntech.de>
_______________________________________________
linux-arm-kernel mailing list
linux-arm-kernel@lists.infradead.org
http://lists.infradead.org/mailman/listinfo/linux-arm-kernel
next prev parent reply other threads:[~2021-05-21 9:18 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-05-21 8:36 [PATCH v5 0/4] Add IOMMU driver for rk356x Benjamin Gaignard
2021-05-21 8:36 ` [PATCH v5 1/4] dt-bindings: iommu: rockchip: Convert IOMMU to DT schema Benjamin Gaignard
2021-05-21 9:18 ` Heiko Stübner
2021-05-21 8:36 ` [PATCH v5 2/4] dt-bindings: iommu: rockchip: Add compatible for v2 Benjamin Gaignard
2021-05-21 9:18 ` Heiko Stübner
2021-05-21 11:52 ` Robin Murphy
2021-05-21 8:36 ` [PATCH v5 3/4] iommu: rockchip: Add internal ops to handle variants Benjamin Gaignard
2021-05-21 9:16 ` Heiko Stübner [this message]
2021-05-21 12:58 ` Robin Murphy
2021-05-21 13:38 ` Benjamin Gaignard
2021-05-21 14:44 ` Robin Murphy
2021-05-21 8:36 ` [PATCH v5 4/4] iommu: rockchip: Add support for iommu v2 Benjamin Gaignard
2021-05-21 9:17 ` Heiko Stübner
2021-05-21 13:42 ` Robin Murphy
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=4753042.QJadu78ljV@diego \
--to=heiko@sntech.de \
--cc=benjamin.gaignard@collabora.com \
--cc=devicetree@vger.kernel.org \
--cc=iommu@lists.linux-foundation.org \
--cc=joro@8bytes.org \
--cc=kernel@collabora.com \
--cc=linux-arm-kernel@lists.infradead.org \
--cc=linux-kernel@vger.kernel.org \
--cc=linux-rockchip@lists.infradead.org \
--cc=robh+dt@kernel.org \
--cc=robin.murphy@arm.com \
--cc=will@kernel.org \
--cc=xxm@rock-chips.com \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).