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]
Message-Id: <20250410-dt-cpu-schema-v2-10-63d7dc9ddd0a@kernel.org>
Date: Thu, 10 Apr 2025 10:47:31 -0500
From: "Rob Herring (Arm)" <robh@...nel.org>
To: Krzysztof Kozlowski <krzk+dt@...nel.org>, 
 Conor Dooley <conor+dt@...nel.org>, Chen-Yu Tsai <wens@...e.org>, 
 Jernej Skrabec <jernej.skrabec@...il.com>, 
 Samuel Holland <samuel@...lland.org>, Conor Dooley <conor@...nel.org>, 
 Nicolas Ferre <nicolas.ferre@...rochip.com>, 
 Claudiu Beznea <claudiu.beznea@...on.dev>, 
 Steen Hegelund <Steen.Hegelund@...rochip.com>, 
 Daniel Machon <daniel.machon@...rochip.com>, UNGLinuxDriver@...rochip.com, 
 Bjorn Andersson <andersson@...nel.org>, 
 Konrad Dybcio <konradybcio@...nel.org>, Shawn Guo <shawnguo@...nel.org>, 
 Sascha Hauer <s.hauer@...gutronix.de>, 
 Pengutronix Kernel Team <kernel@...gutronix.de>, 
 Fabio Estevam <festevam@...il.com>, Heiko Stuebner <heiko@...ech.de>, 
 Neil Armstrong <neil.armstrong@...aro.org>, 
 Kevin Hilman <khilman@...libre.com>, Jerome Brunet <jbrunet@...libre.com>, 
 Martin Blumenstingl <martin.blumenstingl@...glemail.com>, 
 Geert Uytterhoeven <geert+renesas@...der.be>, 
 Magnus Damm <magnus.damm@...il.com>, 
 Lorenzo Pieralisi <lpieralisi@...nel.org>, Andy Gross <agross@...nel.org>, 
 Thomas Bogendoerfer <tsbogend@...ha.franken.de>, 
 Viresh Kumar <vireshk@...nel.org>, Nishanth Menon <nm@...com>, 
 Stephen Boyd <sboyd@...nel.org>, zhouyanjie@...yeetech.com, 
 Matthias Brugger <matthias.bgg@...il.com>, 
 AngeloGioacchino Del Regno <angelogioacchino.delregno@...labora.com>, 
 "Rafael J. Wysocki" <rafael@...nel.org>, 
 Dmitry Baryshkov <dmitry.baryshkov@....qualcomm.com>, 
 Stephan Gerhold <stephan.gerhold@...aro.org>
Cc: devicetree@...r.kernel.org, linux-arm-kernel@...ts.infradead.org, 
 linux-sunxi@...ts.linux.dev, linux-kernel@...r.kernel.org, 
 linux-arm-msm@...r.kernel.org, imx@...ts.linux.dev, 
 linux-rockchip@...ts.infradead.org, linux-amlogic@...ts.infradead.org, 
 linux-renesas-soc@...r.kernel.org, linux-mips@...r.kernel.org, 
 linux-pm@...r.kernel.org, linux-mediatek@...ts.infradead.org
Subject: [PATCH v2 10/17] arm: dts: rockchip: Drop redundant CPU
 "clock-latency"

The "clock-latency" property is part of the deprecated opp-v1 binding
and is redundant if the opp-v2 table has equal or larger values in any
"clock-latency-ns". Add any missing "clock-latency-ns" properties and
remove "clock-latency".

Signed-off-by: Rob Herring (Arm) <robh@...nel.org>
---
 arch/arm/boot/dts/rockchip/rk3128.dtsi | 8 +++++++-
 arch/arm/boot/dts/rockchip/rk3188.dtsi | 1 -
 arch/arm/boot/dts/rockchip/rk322x.dtsi | 1 -
 arch/arm/boot/dts/rockchip/rk3288.dtsi | 5 +----
 arch/arm/boot/dts/rockchip/rv1108.dtsi | 1 -
 5 files changed, 8 insertions(+), 8 deletions(-)

diff --git a/arch/arm/boot/dts/rockchip/rk3128.dtsi b/arch/arm/boot/dts/rockchip/rk3128.dtsi
index d4572146d135..c49099954c28 100644
--- a/arch/arm/boot/dts/rockchip/rk3128.dtsi
+++ b/arch/arm/boot/dts/rockchip/rk3128.dtsi
@@ -48,7 +48,6 @@ cpu0: cpu@f00 {
 			device_type = "cpu";
 			compatible = "arm,cortex-a7";
 			reg = <0xf00>;
-			clock-latency = <40000>;
 			clocks = <&cru ARMCLK>;
 			resets = <&cru SRST_CORE0>;
 			operating-points-v2 = <&cpu_opp_table>;
@@ -87,31 +86,38 @@ cpu_opp_table: opp-table-0 {
 		opp-216000000 {
 			opp-hz = /bits/ 64 <216000000>;
 			opp-microvolt = <950000 950000 1325000>;
+			clock-latency-ns = <40000>;
 		};
 		opp-408000000 {
 			opp-hz = /bits/ 64 <408000000>;
 			opp-microvolt = <950000 950000 1325000>;
+			clock-latency-ns = <40000>;
 		};
 		opp-600000000 {
 			opp-hz = /bits/ 64 <600000000>;
 			opp-microvolt = <950000 950000 1325000>;
+			clock-latency-ns = <40000>;
 		};
 		opp-696000000 {
 			opp-hz = /bits/ 64 <696000000>;
 			opp-microvolt = <975000 975000 1325000>;
+			clock-latency-ns = <40000>;
 		};
 		opp-816000000 {
 			opp-hz = /bits/ 64 <816000000>;
 			opp-microvolt = <1075000 1075000 1325000>;
 			opp-suspend;
+			clock-latency-ns = <40000>;
 		};
 		opp-1008000000 {
 			opp-hz = /bits/ 64 <1008000000>;
 			opp-microvolt = <1200000 1200000 1325000>;
+			clock-latency-ns = <40000>;
 		};
 		opp-1200000000 {
 			opp-hz = /bits/ 64 <1200000000>;
 			opp-microvolt = <1325000 1325000 1325000>;
+			clock-latency-ns = <40000>;
 		};
 	};
 
diff --git a/arch/arm/boot/dts/rockchip/rk3188.dtsi b/arch/arm/boot/dts/rockchip/rk3188.dtsi
index 44b54af0bbf9..850bd6e67895 100644
--- a/arch/arm/boot/dts/rockchip/rk3188.dtsi
+++ b/arch/arm/boot/dts/rockchip/rk3188.dtsi
@@ -23,7 +23,6 @@ cpu0: cpu@0 {
 			compatible = "arm,cortex-a9";
 			next-level-cache = <&L2>;
 			reg = <0x0>;
-			clock-latency = <40000>;
 			clocks = <&cru ARMCLK>;
 			operating-points-v2 = <&cpu0_opp_table>;
 			resets = <&cru SRST_CORE0>;
diff --git a/arch/arm/boot/dts/rockchip/rk322x.dtsi b/arch/arm/boot/dts/rockchip/rk322x.dtsi
index 96421355c274..cd11a018105b 100644
--- a/arch/arm/boot/dts/rockchip/rk322x.dtsi
+++ b/arch/arm/boot/dts/rockchip/rk322x.dtsi
@@ -36,7 +36,6 @@ cpu0: cpu@f00 {
 			resets = <&cru SRST_CORE0>;
 			operating-points-v2 = <&cpu0_opp_table>;
 			#cooling-cells = <2>; /* min followed by max */
-			clock-latency = <40000>;
 			clocks = <&cru ARMCLK>;
 			enable-method = "psci";
 		};
diff --git a/arch/arm/boot/dts/rockchip/rk3288.dtsi b/arch/arm/boot/dts/rockchip/rk3288.dtsi
index 3f1d640afafa..42d705b544ec 100644
--- a/arch/arm/boot/dts/rockchip/rk3288.dtsi
+++ b/arch/arm/boot/dts/rockchip/rk3288.dtsi
@@ -70,7 +70,6 @@ cpu0: cpu@500 {
 			resets = <&cru SRST_CORE0>;
 			operating-points-v2 = <&cpu_opp_table>;
 			#cooling-cells = <2>; /* min followed by max */
-			clock-latency = <40000>;
 			clocks = <&cru ARMCLK>;
 			dynamic-power-coefficient = <370>;
 		};
@@ -81,7 +80,6 @@ cpu1: cpu@501 {
 			resets = <&cru SRST_CORE1>;
 			operating-points-v2 = <&cpu_opp_table>;
 			#cooling-cells = <2>; /* min followed by max */
-			clock-latency = <40000>;
 			clocks = <&cru ARMCLK>;
 			dynamic-power-coefficient = <370>;
 		};
@@ -92,7 +90,6 @@ cpu2: cpu@502 {
 			resets = <&cru SRST_CORE2>;
 			operating-points-v2 = <&cpu_opp_table>;
 			#cooling-cells = <2>; /* min followed by max */
-			clock-latency = <40000>;
 			clocks = <&cru ARMCLK>;
 			dynamic-power-coefficient = <370>;
 		};
@@ -103,7 +100,6 @@ cpu3: cpu@503 {
 			resets = <&cru SRST_CORE3>;
 			operating-points-v2 = <&cpu_opp_table>;
 			#cooling-cells = <2>; /* min followed by max */
-			clock-latency = <40000>;
 			clocks = <&cru ARMCLK>;
 			dynamic-power-coefficient = <370>;
 		};
@@ -116,6 +112,7 @@ cpu_opp_table: opp-table-0 {
 		opp-126000000 {
 			opp-hz = /bits/ 64 <126000000>;
 			opp-microvolt = <900000>;
+			clock-latency-ns = <40000>;
 		};
 		opp-216000000 {
 			opp-hz = /bits/ 64 <216000000>;
diff --git a/arch/arm/boot/dts/rockchip/rv1108.dtsi b/arch/arm/boot/dts/rockchip/rv1108.dtsi
index f3291f3bbc6f..42a4d72597a5 100644
--- a/arch/arm/boot/dts/rockchip/rv1108.dtsi
+++ b/arch/arm/boot/dts/rockchip/rv1108.dtsi
@@ -32,7 +32,6 @@ cpu0: cpu@f00 {
 			device_type = "cpu";
 			compatible = "arm,cortex-a7";
 			reg = <0xf00>;
-			clock-latency = <40000>;
 			clocks = <&cru ARMCLK>;
 			#cooling-cells = <2>; /* min followed by max */
 			dynamic-power-coefficient = <75>;

-- 
2.47.2


Powered by blists - more mailing lists

Powered by Openwall GNU/*/Linux Powered by OpenVZ