Backport patch from linux-next (next-20180103) to support SMP on
tegra210 systems.
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linux (4.14.7-2) UNRELEASED; urgency=medium
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linux (4.14.7-2) UNRELEASED; urgency=medium
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[ Ben Hutchings ]
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* e1000e: Fix e1000_check_for_copper_link_ich8lan return value.
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* e1000e: Fix e1000_check_for_copper_link_ich8lan return value.
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(Closes: #885348)
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(Closes: #885348)
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[ Vagrant Cascadian ]
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* [arm64] Backport patch from linux-next to support SMP on tegra210
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systems.
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-- Ben Hutchings <ben@decadent.org.uk> Thu, 28 Dec 2017 01:18:05 +0000
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-- Ben Hutchings <ben@decadent.org.uk> Thu, 28 Dec 2017 01:18:05 +0000
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linux (4.14.7-1) unstable; urgency=medium
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linux (4.14.7-1) unstable; urgency=medium
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@ -0,0 +1,91 @@
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From d67849c340aa803f25a1b3720ba399fecd4f88ab Mon Sep 17 00:00:00 2001
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From: Jon Hunter <jonathanh@nvidia.com>
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Date: Tue, 28 Mar 2017 12:48:38 +0100
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Subject: [PATCH] arm64: tegra: Add CPU and PSCI nodes for NVIDIA Tegra210
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platforms
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Add the CPU and PSCI nodes for the NVIDIA Tegra210 platforms so that
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all CPUs can be enabled on boot. This assumes that the PSCI firmware
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has been loaded during the initial bootstrap on the device before the
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kernel starts (which is typically the case for these platforms). The
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PSCI firmware version is set to v0.2 which aligns with the current
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shipping version for Tegra.
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Reported-by: Martin Michlmayr <tbm@cyrius.com>
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Signed-off-by: Jon Hunter <jonathanh@nvidia.com>
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Tested-By: Vagrant Cascadian <vagrant@debian.org>
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Signed-off-by: Thierry Reding <treding@nvidia.com>
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---
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arch/arm64/boot/dts/nvidia/tegra210-p2180.dtsi | 23 +++++++++++++++++++++++
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arch/arm64/boot/dts/nvidia/tegra210-p2530.dtsi | 23 +++++++++++++++++++++++
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2 files changed, 46 insertions(+)
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diff --git a/arch/arm64/boot/dts/nvidia/tegra210-p2180.dtsi b/arch/arm64/boot/dts/nvidia/tegra210-p2180.dtsi
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index d10d4430537a..212e6634c9ba 100644
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--- a/arch/arm64/boot/dts/nvidia/tegra210-p2180.dtsi
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+++ b/arch/arm64/boot/dts/nvidia/tegra210-p2180.dtsi
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@@ -297,6 +297,29 @@
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};
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};
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+ cpus {
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+ cpu@0 {
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+ enable-method = "psci";
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+ };
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+
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+ cpu@1 {
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+ enable-method = "psci";
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+ };
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+
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+ cpu@2 {
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+ enable-method = "psci";
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+ };
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+
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+ cpu@3 {
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+ enable-method = "psci";
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+ };
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+ };
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+
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+ psci {
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+ compatible = "arm,psci-0.2";
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+ method = "smc";
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+ };
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+
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regulators {
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vdd_gpu: regulator@100 {
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compatible = "pwm-regulator";
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diff --git a/arch/arm64/boot/dts/nvidia/tegra210-p2530.dtsi b/arch/arm64/boot/dts/nvidia/tegra210-p2530.dtsi
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index be6066ff97c9..d0dc03923723 100644
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--- a/arch/arm64/boot/dts/nvidia/tegra210-p2530.dtsi
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+++ b/arch/arm64/boot/dts/nvidia/tegra210-p2530.dtsi
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@@ -52,4 +52,27 @@
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clock-frequency = <32768>;
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};
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};
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+
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+ cpus {
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+ cpu@0 {
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+ enable-method = "psci";
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+ };
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+
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+ cpu@1 {
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+ enable-method = "psci";
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+ };
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+
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+ cpu@2 {
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+ enable-method = "psci";
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+ };
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+
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+ cpu@3 {
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+ enable-method = "psci";
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+ };
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+ };
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+
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+ psci {
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+ compatible = "arm,psci-0.2";
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+ method = "smc";
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+ };
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};
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--
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2.11.0
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@ -167,4 +167,7 @@ features/arm/dwmac-sun8i/0006-ARM-dts-sunxi-Restore-EMAC-changes-boards.patch
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features/arm/dwmac-sun8i/0007-arm-dts-sunxi-h3-h5-Restore-EMAC-changes.patch
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features/arm/dwmac-sun8i/0007-arm-dts-sunxi-h3-h5-Restore-EMAC-changes.patch
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features/arm/dwmac-sun8i/0008-ARM-dts-sunxi-h3-h5-represent-the-mdio-switch-used-b.patch
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features/arm/dwmac-sun8i/0008-ARM-dts-sunxi-h3-h5-represent-the-mdio-switch-used-b.patch
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# Backport patches from linux-next (next-20180103) to support SMP on tegra210 systems
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features/arm64/tegra210-smp/0001-arm64-tegra-Add-CPU-and-PSCI-nodes-for-NVIDIA-Tegra2.patch
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# ABI maintenance
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# ABI maintenance
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