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    cpufreq: governor: Use common mutex for dbs_data protection · 2bb8d94f
    Rafael J. Wysocki 提交于
    Every governor relying on the common code in cpufreq_governor.c
    has to provide its own mutex in struct common_dbs_data.  However,
    there actually is no need to have a separate mutex per governor
    for this purpose, they may be using the same global mutex just
    fine.  Accordingly, introduce a single common mutex for that and
    drop the mutex field from struct common_dbs_data.
    
    That at least will ensure that the mutex is always present and
    initialized regardless of what the particular governors do.
    
    Another benefit is that the common code does not need a pointer to
    a governor-related structure to get to the mutex which sometimes
    helps.
    
    Finally, it makes the code generally easier to follow.
    Signed-off-by: NRafael J. Wysocki <rafael.j.wysocki@intel.com>
    Acked-by: NSaravana Kannan <skannan@codeaurora.org>
    Acked-by: NViresh Kumar <viresh.kumar@linaro.org>
    2bb8d94f
cpufreq_conservative.c 10.8 KB