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cpufreq: dt: Add support to check initial rate and voltage

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If there is only one opp whose frequency is equal to initial
frequency, the cpu voltage will not be changed and the initial
voltage may be higher than opp's voltage.

Change-Id: Iea239a050d3f8a6b242ddf5c92699df7487c1285
Signed-off-by: Finley Xiao <finley.xiao@rock-chips.com>
This commit is contained in:
Finley Xiao 2019-06-13 10:51:14 +08:00 committed by Tao Huang
parent ea6bc886b8
commit 10205ac8e4
1 changed files with 6 additions and 0 deletions
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6
drivers/cpufreq/cpufreq-dt.c
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@ -27,6 +27,9 @@
#include <linux/thermal.h>
#include "cpufreq-dt.h"
#ifdef CONFIG_ARCH_ROCKCHIP
#include "rockchip-cpufreq.h"
#endif
struct private_data {
struct opp_table *opp_table;
@ -306,6 +309,9 @@ static int cpufreq_init(struct cpufreq_policy *policy)
em_register_perf_domain(policy->cpus, nr_opp, &em_cb);
#ifdef CONFIG_ARCH_ROCKCHIP
rockchip_cpufreq_check_rate_volt(cpu_dev);
#endif
return 0;
out_free_cpufreq_table: