PM / OPP: Take kref from _find_opp_table()
Take reference of the OPP table from within _find_opp_table(). Also update the callers of _find_opp_table() to call dev_pm_opp_put_opp_table() after they have used the OPP table. Note that _find_opp_table() increments the reference under the opp_table_lock. Now that the OPP table wouldn't get freed until the callers of _find_opp_table() call dev_pm_opp_put_opp_table(), there is no need to take the opp_table_lock or rcu_read_lock() around it. Drop them. Signed-off-by: NViresh Kumar <viresh.kumar@linaro.org> Reviewed-by: NStephen Boyd <sboyd@codeaurora.org> Signed-off-by: NRafael J. Wysocki <rafael.j.wysocki@intel.com>
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