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27047a6036
Almost every cpufreq driver is required to validate its frequency table with: cpufreq_frequency_table_cpuinfo() and then expose it to cpufreq core with: cpufreq_frequency_table_get_attr(). This patch creates another helper routine cpufreq_table_validate_and_show() that will do both these steps in a single call and will return 0 for success, error otherwise. This also fixes potential bugs in cpufreq drivers where people have called cpufreq_frequency_table_get_attr() before calling cpufreq_frequency_table_cpuinfo(), as the later may fail. Signed-off-by: Viresh Kumar <viresh.kumar@linaro.org> Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>