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Message-ID: <20230418113459.12860-1-sumitg@nvidia.com>
Date: Tue, 18 Apr 2023 17:04:53 +0530
From: Sumit Gupta <sumitg@...dia.com>
To: <viresh.kumar@...aro.org>, <rafael@...nel.org>,
<ionela.voinescu@....com>, <mark.rutland@....com>,
<sudeep.holla@....com>, <lpieralisi@...nel.org>,
<catalin.marinas@....com>, <will@...nel.org>
CC: <linux-pm@...r.kernel.org>, <linux-arm-kernel@...ts.infradead.org>,
<linux-kernel@...r.kernel.org>, <linux-tegra@...r.kernel.org>,
<treding@...dia.com>, <jonathanh@...dia.com>, <vsethi@...dia.com>,
<sdonthineni@...dia.com>, <sanjayc@...dia.com>,
<ksitaraman@...dia.com>, <bbasu@...dia.com>, <sumitg@...dia.com>
Subject: [Patch 0/6] CPPC_CPUFREQ improvements for Tegra241
This patch series contains improvements and changes needed to get a
stable value of current CPU frequency from "cpuinfo_cur_freq" sysfs
node in Tegra241 SoC. All the CPU's in Tegra241 implement the ARM
Activity Monitor Unit (AMU). On reading the sysfs node, the frequency
value is re-constructed using AMU counters.
Sanjay Chandrashekara (1):
cpufreq: use correct unit when verify cur freq
Sumit Gupta (5):
cpufreq: CPPC: make workaround apply code generic
irqchip/gicv3: Export arm_smccc_get_soc_id_xx funcs
cpufreq: CPPC: update sampling window for Tegra241
arm64: cpufeature: Export get_cpu_with_amu_feat func
cpufreq: CPPC: use wq to read amu counters on target cpu
arch/arm64/kernel/cpufeature.c | 1 +
drivers/cpufreq/cppc_cpufreq.c | 99 +++++++++++++++++++++++++++++-----
drivers/cpufreq/cpufreq.c | 2 +-
drivers/firmware/smccc/smccc.c | 2 +
4 files changed, 89 insertions(+), 15 deletions(-)
--
2.17.1
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