linux-kernel - [PATCH 4.9 13/95] ARM: dts: exynos: Fix IOMMU support for GScaler devices on Exynos5250

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Message-Id: <20180422135210.967739968@linuxfoundation.org>
Date:   Sun, 22 Apr 2018 15:52:42 +0200
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     linux-kernel@...r.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        stable@...r.kernel.org, Andrzej Hajda <a.hajda@...sung.com>,
        Marek Szyprowski <m.szyprowski@...sung.com>,
        Krzysztof Kozlowski <krzk@...nel.org>
Subject: [PATCH 4.9 13/95] ARM: dts: exynos: Fix IOMMU support for GScaler devices on Exynos5250

4.9-stable review patch.  If anyone has any objections, please let me know.

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

From: Marek Szyprowski <m.szyprowski@...sung.com>

commit 6f4870753f29edf7dc39444246f9e39987b8b158 upstream.

The proper name for the property, which assign given device to IOMMU is
'iommus', not 'iommu'. Fix incorrect name and let all GScaler devices
to be properly handled when IOMMU support is enabled.

Reported-by: Andrzej Hajda <a.hajda@...sung.com>
Signed-off-by: Marek Szyprowski <m.szyprowski@...sung.com>
Fixes: 6cbfdd73a94f ("ARM: dts: add sysmmu nodes for exynos5250")
Cc: <stable@...r.kernel.org> # v4.8+
Signed-off-by: Krzysztof Kozlowski <krzk@...nel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>

---
 arch/arm/boot/dts/exynos5250.dtsi |    8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

--- a/arch/arm/boot/dts/exynos5250.dtsi
+++ b/arch/arm/boot/dts/exynos5250.dtsi
@@ -640,7 +640,7 @@
 			power-domains = <&pd_gsc>;
 			clocks = <&clock CLK_GSCL0>;
 			clock-names = "gscl";
-			iommu = <&sysmmu_gsc0>;
+			iommus = <&sysmmu_gsc0>;
 		};
 
 		gsc_1:  gsc@...10000 {
@@ -650,7 +650,7 @@
 			power-domains = <&pd_gsc>;
 			clocks = <&clock CLK_GSCL1>;
 			clock-names = "gscl";
-			iommu = <&sysmmu_gsc1>;
+			iommus = <&sysmmu_gsc1>;
 		};
 
 		gsc_2:  gsc@...20000 {
@@ -660,7 +660,7 @@
 			power-domains = <&pd_gsc>;
 			clocks = <&clock CLK_GSCL2>;
 			clock-names = "gscl";
-			iommu = <&sysmmu_gsc2>;
+			iommus = <&sysmmu_gsc2>;
 		};
 
 		gsc_3:  gsc@...30000 {
@@ -670,7 +670,7 @@
 			power-domains = <&pd_gsc>;
 			clocks = <&clock CLK_GSCL3>;
 			clock-names = "gscl";
-			iommu = <&sysmmu_gsc3>;
+			iommus = <&sysmmu_gsc3>;
 		};
 
 		hdmi: hdmi@...30000 {