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In some cases it wouldn't be known at time of driver registration, if the driver needs to support boost frequencies. For example, while getting boost information from DT with opp-v2 bindings, we need to parse the bindings for all the CPUs to know if turbo/boost OPPs are supported or not. One way out to do that efficiently is to delay supporting boost mode (i.e. creating /sys/devices/system/cpu/cpufreq/boost file), until the time OPP bindings are parsed. At that point, the driver can enable boost support. This can be done at ->init(), where the frequency table is created. To do that, the driver requires few APIs from cpufreq core that let him do this. This patch provides these APIs. Signed-off-by: Viresh Kumar <viresh.kumar@linaro.org> Reviewed-by: Stephen Boyd <sboyd@codeaurora.org> Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com> |
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| linux | ||
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