linux/drivers/opp
Rajendra Nayak a4501bac0e opp: Enable resources again if they were disabled earlier
dev_pm_opp_set_rate() can now be called with freq = 0 in order
to either drop performance or bandwidth votes or to disable
regulators on platforms which support them.

In such cases, a subsequent call to dev_pm_opp_set_rate() with
the same frequency ends up returning early because 'old_freq == freq'

Instead make it fall through and put back the dropped performance
and bandwidth votes and/or enable back the regulators.

Cc: v5.3+ <stable@vger.kernel.org> # v5.3+
Fixes: cd7ea58286 ("opp: Make dev_pm_opp_set_rate() handle freq = 0 to drop performance votes")
Reported-by: Sajida Bhanu <sbhanu@codeaurora.org>
Reviewed-by: Sibi Sankar <sibis@codeaurora.org>
Reported-by: Matthias Kaehlcke <mka@chromium.org>
Tested-by: Matthias Kaehlcke <mka@chromium.org>
Reviewed-by: Stephen Boyd <sboyd@kernel.org>
Signed-off-by: Rajendra Nayak <rnayak@codeaurora.org>
[ Viresh: Don't skip clk_set_rate() and massaged changelog ]
Signed-off-by: Viresh Kumar <viresh.kumar@linaro.org>
2020-08-20 11:30:22 +05:30
..
core.c opp: Enable resources again if they were disabled earlier 2020-08-20 11:30:22 +05:30
cpu.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500 2019-06-19 17:09:55 +02:00
debugfs.c opp: Expose bandwidth information via debugfs 2020-05-29 10:15:12 +05:30
Kconfig treewide: replace '---help---' in Kconfig files with 'help' 2020-06-14 01:57:21 +09:00
Makefile treewide: Add SPDX license identifier - Makefile/Kconfig 2019-05-21 10:50:46 +02:00
of.c Merge branches 'pm-em' and 'pm-core' 2020-08-03 13:11:39 +02:00
opp.h opp: core: add regulators enable and disable 2020-05-29 10:15:12 +05:30
ti-opp-supply.c opp: ti-opp-supply: Replace HTTP links with HTTPS ones 2020-07-24 08:05:54 +05:30