Viresh Kumar 1690d8bb91 cpufreq: scpi/scmi: Fix freeing of dynamic OPPs ... Since the commit 2a4eb7358a "OPP: Don't remove dynamic OPPs from _dev_pm_opp_remove_table()", dynamically created OPP aren't automatically removed anymore by dev_pm_opp_cpumask_remove_table(). This affects the scpi and scmi cpufreq drivers which no longer free OPPs on failures or on invocations of the policy->exit() callback. Create a generic OPP helper dev_pm_opp_remove_all_dynamic() which can be called from these drivers instead of dev_pm_opp_cpumask_remove_table(). In dev_pm_opp_remove_all_dynamic(), we need to make sure that the opp_list isn't getting accessed simultaneously from other parts of the OPP core while the helper is freeing dynamic OPPs, i.e. we can't drop the opp_table->lock while traversing through the OPP list. And to accomplish that, this patch also creates _opp_kref_release_unlocked() which can be called from this new helper with the opp_table lock already held. Cc: 4.20 <stable@vger.kernel.org> # v4.20 Reported-by: Valentin Schneider <valentin.schneider@arm.com> Fixes: 2a4eb7358a "OPP: Don't remove dynamic OPPs from _dev_pm_opp_remove_table()" Signed-off-by: Viresh Kumar <viresh.kumar@linaro.org> Tested-by: Valentin Schneider <valentin.schneider@arm.com> Reviewed-by: Sudeep Holla <sudeep.holla@arm.com> Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>		2019-01-04 12:19:40 +01:00
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core.c	cpufreq: scpi/scmi: Fix freeing of dynamic OPPs	2019-01-04 12:19:40 +01:00
cpu.c	OPP: Don't remove dynamic OPPs from _dev_pm_opp_remove_table()	2018-09-19 14:56:45 -07:00
debugfs.c	PM / OPP: "opp-hz" is optional for power domains	2018-05-09 10:15:18 +05:30
Kconfig	PM / OPP: Move the OPP directory out of power/	2017-10-03 02:45:12 +02:00
Makefile	PM / OPP: Add ti-opp-supply driver	2017-12-17 19:17:44 +01:00
of.c	Merge branch 'opp/genpd/propagation' into opp/linux-next	2018-12-14 16:28:52 +05:30
opp.h	Merge branch 'opp/genpd/propagation' into opp/linux-next	2018-12-14 16:28:52 +05:30
ti-opp-supply.c	opp: ti-opp-supply: Fix platform_no_drv_owner.cocci warnings	2018-11-22 11:46:02 +05:30