linux-kernel - [PATCH v4 4/5] arm64: dts: mediatek: mt2712e: Add mediatek,infracfg phandle for IOMMU

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Date:   Thu, 16 Jun 2022 13:08:29 +0200
From:   AngeloGioacchino Del Regno 
        <angelogioacchino.delregno@...labora.com>
To:     yong.wu@...iatek.com
Cc:     joro@...tes.org, will@...nel.org, robh+dt@...nel.org,
        krzysztof.kozlowski+dt@...aro.org, matthias.bgg@...il.com,
        iommu@...ts.linux-foundation.org,
        linux-mediatek@...ts.infradead.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        krzysztof.kozlowski@...aro.org, miles.chen@...iatek.com,
        AngeloGioacchino Del Regno 
        <angelogioacchino.delregno@...labora.com>
Subject: [PATCH v4 4/5] arm64: dts: mediatek: mt2712e: Add mediatek,infracfg phandle for IOMMU

The IOMMU driver now looks for the "mediatek,infracfg" phandle as a
new way to retrieve a syscon to that:
even though the old way is retained, it has been deprecated and the
driver will write a message in kmsg advertising to use the phandle
way instead.

For this reason, assign the right phandle to mediatek,infracfg in
the iommu node.

Signed-off-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@...labora.com>
Reviewed-by: Miles Chen <miles.chen@...iatek.com>
---
 arch/arm64/boot/dts/mediatek/mt2712e.dtsi | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/arch/arm64/boot/dts/mediatek/mt2712e.dtsi b/arch/arm64/boot/dts/mediatek/mt2712e.dtsi
index 623eb3beabf2..4797537cb368 100644
--- a/arch/arm64/boot/dts/mediatek/mt2712e.dtsi
+++ b/arch/arm64/boot/dts/mediatek/mt2712e.dtsi
@@ -329,6 +329,7 @@ iommu0: iommu@...05000 {
 		interrupts = <GIC_SPI 147 IRQ_TYPE_LEVEL_LOW>;
 		clocks = <&infracfg CLK_INFRA_M4U>;
 		clock-names = "bclk";
+		mediatek,infracfg = <&infracfg>;
 		mediatek,larbs = <&larb0>, <&larb1>, <&larb2>,
 				 <&larb3>, <&larb6>;
 		#iommu-cells = <1>;
@@ -346,6 +347,7 @@ iommu1: iommu@...0a000 {
 		interrupts = <GIC_SPI 145 IRQ_TYPE_LEVEL_LOW>;
 		clocks = <&infracfg CLK_INFRA_M4U>;
 		clock-names = "bclk";
+		mediatek,infracfg = <&infracfg>;
 		mediatek,larbs = <&larb4>, <&larb5>, <&larb7>;
 		#iommu-cells = <1>;
 	};
-- 
2.35.1