From 415ccda7e7fac657bd375dcfbfb07dd8989b58b0 Mon Sep 17 00:00:00 2001
From: Jean-Philippe Brucker <jean-philippe@linaro.org>
Date: Sat, 29 May 2021 07:03:20 +0000
Subject: [PATCH] arm64: dts: fast models: Enable PCIe ATS for Base RevC FVP

maillist inclusion
category: feature
bugzilla: 51855
CVE: NA

Reference: https://jpbrucker.net/git/linux/commit/?h=sva/2021-03-01&id=af3fee2e57e5ddd4f16cfad160e89cafddb0d629

---------------------------------------------

Declare that the host controller supports ATS, so the OS can enable it
for ATS-capable PCIe endpoints.

Signed-off-by: Jean-Philippe Brucker <jean-philippe@linaro.org>
Signed-off-by: Lijun Fang <fanglijun3@huawei.com>
Reviewed-by: Weilong Chen <chenweilong@huawei.com>
Signed-off-by: Zheng Zengkai <zhengzengkai@huawei.com>
---
 arch/arm64/boot/dts/arm/fvp-base-revc.dts | 1 +
 1 file changed, 1 insertion(+)

diff --git a/arch/arm64/boot/dts/arm/fvp-base-revc.dts b/arch/arm64/boot/dts/arm/fvp-base-revc.dts
index b8a21092db4d..ca1bda14d8e9 100644
--- a/arch/arm64/boot/dts/arm/fvp-base-revc.dts
+++ b/arch/arm64/boot/dts/arm/fvp-base-revc.dts
@@ -170,6 +170,7 @@
 		iommu-map = <0x0 &smmu 0x0 0x10000>;
 
 		dma-coherent;
+		ats-supported;
 	};
 
 	smmu: iommu@2b400000 {
-- 
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