diff options
Diffstat (limited to 'drivers/cpufreq')
| -rw-r--r-- | drivers/cpufreq/scmi-cpufreq.c | 24 |
1 files changed, 18 insertions, 6 deletions
diff --git a/drivers/cpufreq/scmi-cpufreq.c b/drivers/cpufreq/scmi-cpufreq.c index 78f53e388094..c8a7ccc42c16 100644 --- a/drivers/cpufreq/scmi-cpufreq.c +++ b/drivers/cpufreq/scmi-cpufreq.c @@ -72,13 +72,25 @@ static unsigned int scmi_cpufreq_fast_switch(struct cpufreq_policy *policy, static int scmi_cpu_domain_id(struct device *cpu_dev) { - struct of_phandle_args clkspec; - - if (of_parse_phandle_with_args(cpu_dev->of_node, "clocks", - "#clock-cells", 0, &clkspec)) - return -EINVAL; + struct device_node *np = cpu_dev->of_node; + struct of_phandle_args domain_id; + int index; + + if (of_parse_phandle_with_args(np, "clocks", "#clock-cells", 0, + &domain_id)) { + /* Find the corresponding index for power-domain "perf". */ + index = of_property_match_string(np, "power-domain-names", + "perf"); + if (index < 0) + return -EINVAL; + + if (of_parse_phandle_with_args(np, "power-domains", + "#power-domain-cells", index, + &domain_id)) + return -EINVAL; + } - return clkspec.args[0]; + return domain_id.args[0]; } static int |