opp: Reduce the size of critical section in _opp_table_kref_release()
There is a lot of stuff here which can be done outside of the big opp_table_lock, do that. This helps avoiding few circular dependency lockdeps around debugfs and interconnects. Reported-by: Rob Clark <robdclark@gmail.com> Reported-by: Dmitry Osipenko <digetx@gmail.com> Signed-off-by: Viresh Kumar <viresh.kumar@linaro.org>zero-sugar-mainline-defconfig
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47efcbcb34
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e0df59de67
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@ -1181,6 +1181,10 @@ static void _opp_table_kref_release(struct kref *kref)
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struct opp_device *opp_dev, *temp;
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struct opp_device *opp_dev, *temp;
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int i;
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int i;
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/* Drop the lock as soon as we can */
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list_del(&opp_table->node);
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mutex_unlock(&opp_table_lock);
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_of_clear_opp_table(opp_table);
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_of_clear_opp_table(opp_table);
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/* Release clk */
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/* Release clk */
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@ -1208,10 +1212,7 @@ static void _opp_table_kref_release(struct kref *kref)
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mutex_destroy(&opp_table->genpd_virt_dev_lock);
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mutex_destroy(&opp_table->genpd_virt_dev_lock);
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mutex_destroy(&opp_table->lock);
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mutex_destroy(&opp_table->lock);
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list_del(&opp_table->node);
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kfree(opp_table);
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kfree(opp_table);
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mutex_unlock(&opp_table_lock);
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}
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}
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void dev_pm_opp_put_opp_table(struct opp_table *opp_table)
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void dev_pm_opp_put_opp_table(struct opp_table *opp_table)
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