From 0b739aaa2984d173fc7c072e3f31f2aa812e9606 Mon Sep 17 00:00:00 2001
From: a17671 <a17671@motorola.com>
Date: Thu, 6 Aug 2020 11:11:38 +0800
Subject: [PATCH] usb0:overlay the iommu-dma to fastmap

QCOM iommu has issue in the atomic domain
Switch to fastmap domain to avoid the data
corruption issue

Change-Id: If0b3d0beffb76d700e76aaa4d89ec435ab9af3a6
Signed-off-by: a17671 <a17671@motorola.com>
Reviewed-on: https://gerrit.mot.com/1715841
SLTApproved: Slta Waiver
SME-Granted: SME Approvals Granted
Tested-by: Jira Key
Reviewed-by: Xiangpo Zhao <zhaoxp3@motorola.com>
Submit-Approved: Jira Key
---
 qcom/bengal-guamna-common-overlay.dtsi | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/qcom/bengal-guamna-common-overlay.dtsi b/qcom/bengal-guamna-common-overlay.dtsi
index 4b8a60b0ac71..d06478b07ab5 100644
--- a/qcom/bengal-guamna-common-overlay.dtsi
+++ b/qcom/bengal-guamna-common-overlay.dtsi
@@ -300,3 +300,6 @@
 	qcom,tune2-efuse-correction = <(-5)>;
 
 };
+&usb0 {
+	qcom,iommu-dma = "fastmap";
+};