Groups | Search | Server Info | Keyboard shortcuts | Login | Register [http] [https] [nntp] [nntps]


Groups > linux.kernel > #1694408

[PATCH V3 1/3] Docs: dt: rockchip: add rockchip,disable-mmu-reset property

From Simon Xue <xxm@rock-chips.com>
Newsgroups linux.kernel
Subject [PATCH V3 1/3] Docs: dt: rockchip: add rockchip,disable-mmu-reset property
Date 2017-07-24 04:40 +0200
Message-ID <u6BrP-7h2-1@gated-at.bofh.it> (permalink)
Organization linux.* mail to news gateway

Show all headers | View 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

Back to linux.kernel | Previous | NextNext in thread | Find similar | Unroll thread


Thread

[PATCH V3 1/3] Docs: dt: rockchip: add rockchip,disable-mmu-reset property Simon Xue <xxm@rock-chips.com> - 2017-07-24 04:40 +0200
  [PATCH V3 2/3] iommu/rockchip: add multi irqs support Simon Xue <xxm@rock-chips.com> - 2017-07-24 04:40 +0200
  [PATCH V3 3/3] iommu/rockchip: ignore isp mmu reset operation Simon Xue <xxm@rock-chips.com> - 2017-07-24 04:40 +0200
  Re: [PATCH V3 1/3] Docs: dt: rockchip: add  rockchip,disable-mmu-reset property Joerg Roedel <joro@8bytes.org> - 2017-07-26 13:00 +0200

csiph-web