6.1-stable review patch. If anyone has any objections, please let me know.
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From: Aaron Kling webgeek1234@gmail.com
[ Upstream commit 0b1bb980fd7cae126ee3d59f817068a13e321b07 ]
The original commit set all cores in a cluster to a shared policy, but did not update set_target to apply a frequency change to all cores for the policy. This caused most cores to remain stuck at their boot frequency.
Fixes: be4ae8c19492 ("cpufreq: tegra186: Share policy per cluster") Signed-off-by: Aaron Kling webgeek1234@gmail.com Reviewed-by: Mikko Perttunen mperttunen@nvidia.com Signed-off-by: Viresh Kumar viresh.kumar@linaro.org Signed-off-by: Sasha Levin sashal@kernel.org --- drivers/cpufreq/tegra186-cpufreq.c | 8 ++++++-- 1 file changed, 6 insertions(+), 2 deletions(-)
diff --git a/drivers/cpufreq/tegra186-cpufreq.c b/drivers/cpufreq/tegra186-cpufreq.c index 6c88827f4e625..ee57676bbee14 100644 --- a/drivers/cpufreq/tegra186-cpufreq.c +++ b/drivers/cpufreq/tegra186-cpufreq.c @@ -86,10 +86,14 @@ static int tegra186_cpufreq_set_target(struct cpufreq_policy *policy, { struct tegra186_cpufreq_data *data = cpufreq_get_driver_data(); struct cpufreq_frequency_table *tbl = policy->freq_table + index; - unsigned int edvd_offset = data->cpus[policy->cpu].edvd_offset; + unsigned int edvd_offset; u32 edvd_val = tbl->driver_data; + u32 cpu;
- writel(edvd_val, data->regs + edvd_offset); + for_each_cpu(cpu, policy->cpus) { + edvd_offset = data->cpus[cpu].edvd_offset; + writel(edvd_val, data->regs + edvd_offset); + }
return 0; }