From: Simon Xue <xxm@rock-chips.com>
To: Joerg Roedel <joro@8bytes.org>, Heiko Stuebner <heiko@sntech.de>
Cc: linux-rockchip@lists.infradead.org,
iommu@lists.linux-foundation.org, linux-kernel@vger.kernel.org,
Simon Xue <xxm@rock-chips.com>
Subject: [PATCH V3 1/3] Docs: dt: rockchip: add rockchip,disable-mmu-reset property
Date: Mon, 24 Jul 2017 10:37:13 +0800 [thread overview]
Message-ID: <1500863835-32877-1-git-send-email-xxm@rock-chips.com> (raw)
Add rockchip,disable-mmu-reset property to disable some mmu
reset operation
Signed-off-by: Simon Xue <xxm@rock-chips.com>
---
changes since V2:
use rockchip,disable-mmu-reset instead of rk-iommu,disable-reset-quirk
Documentation/devicetree/bindings/iommu/rockchip,iommu.txt | 5 +++++
1 file changed, 5 insertions(+)
diff --git a/Documentation/devicetree/bindings/iommu/rockchip,iommu.txt b/Documentation/devicetree/bindings/iommu/rockchip,iommu.txt
index 9a55ac3..2098f77 100644
--- a/Documentation/devicetree/bindings/iommu/rockchip,iommu.txt
+++ b/Documentation/devicetree/bindings/iommu/rockchip,iommu.txt
@@ -15,6 +15,11 @@ Required properties:
to associate with its master device. See:
Documentation/devicetree/bindings/iommu/iommu.txt
+Optional properties:
+- rockchip,disable-mmu-reset : Don't use the mmu reset operation.
+ Some mmu instances may produce unexpected results
+ when the reset operation is used.
+
Example:
vopl_mmu: iommu@ff940300 {
--
1.9.1
next reply other threads:[~2017-07-24 2:38 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-07-24 2:37 Simon Xue [this message]
2017-07-24 2:37 ` [PATCH V3 2/3] iommu/rockchip: add multi irqs support Simon Xue
2017-07-24 2:37 ` [PATCH V3 3/3] iommu/rockchip: ignore isp mmu reset operation Simon Xue
2017-07-26 10:58 ` [PATCH V3 1/3] Docs: dt: rockchip: add rockchip,disable-mmu-reset property Joerg Roedel
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=1500863835-32877-1-git-send-email-xxm@rock-chips.com \
--to=xxm@rock-chips.com \
--cc=heiko@sntech.de \
--cc=iommu@lists.linux-foundation.org \
--cc=joro@8bytes.org \
--cc=linux-kernel@vger.kernel.org \
--cc=linux-rockchip@lists.infradead.org \
/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
all inboxes | Powered by JetHome®