Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752234AbdGUG1l (ORCPT ); Fri, 21 Jul 2017 02:27:41 -0400 Received: from regular1.263xmail.com ([211.150.99.137]:38697 "EHLO regular1.263xmail.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751464AbdGUG1k (ORCPT ); Fri, 21 Jul 2017 02:27:40 -0400 X-263anti-spam: KSV:0; X-MAIL-GRAY: 0 X-MAIL-DELIVERY: 1 X-KSVirus-check: 0 X-ABS-CHECKED: 4 X-RL-SENDER: xxm@rock-chips.com X-FST-TO: joro@8bytes.org X-SENDER-IP: 58.22.7.114 X-LOGIN-NAME: xxm@rock-chips.com X-UNIQUE-TAG: X-ATTACHMENT-NUM: 0 X-DNS-TYPE: 0 From: Simon Xue To: Joerg Roedel , Heiko Stuebner Cc: linux-rockchip@lists.infradead.org, iommu@lists.linux-foundation.org, linux-kernel@vger.kernel.org, Simon Subject: [PATCH V2 1/3] Docs: dt: rockchip: add rk-iommu,disable-reset-quirk property Date: Fri, 21 Jul 2017 14:27:08 +0800 Message-Id: <1500618430-114821-1-git-send-email-xxm@rock-chips.com> X-Mailer: git-send-email 1.9.1 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1025 Lines: 32 From: Simon Add rk-iommu,disable-reset-quirk property to ignore the isp mmu reset operation Signed-off-by: Simon --- changes since V1: - new added file 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..aa2136c 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: +- rk-iommu,disable-reset-quirk : This ignore the isp mmu reset operation. + It can't get the expected result when isp mmu + reset, but the reset function work normally + Example: vopl_mmu: iommu@ff940300 { -- 1.9.1