diff options
| author | Rafael J. Wysocki <rafael.j.wysocki@intel.com> | 2020-08-20 18:13:45 +0200 |
|---|---|---|
| committer | Rafael J. Wysocki <rafael.j.wysocki@intel.com> | 2020-08-20 18:13:45 +0200 |
| commit | cc15fd9892e28689b6e17dbd6e28d00c55d62928 (patch) | |
| tree | 62a2b8cd4195d59b451e074a4e06f08aaec26ad7 | |
| parent | 9123e3a74ec7b934a4a099e98af6a61c2f80bbf5 (diff) | |
| parent | a4501bac0e553bed117b7e1b166d49731caf7260 (diff) | |
Merge branch 'opp/fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/vireshk/pm
Pull operating performance points (OPP) framework fixes for 5.9-rc2
from Viresh Kumar:
"This contains the following fixes for 5.9:
- Fix re-enabling of resources (Rajendra Nayak).
- Put OPP table references (Stephen Boyd)."
* 'opp/fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/vireshk/pm:
opp: Enable resources again if they were disabled earlier
opp: Put opp table in dev_pm_opp_set_rate() if _set_opp_bw() fails
opp: Put opp table in dev_pm_opp_set_rate() for empty tables
| -rw-r--r-- | drivers/opp/core.c | 19 |
1 files changed, 12 insertions, 7 deletions
diff --git a/drivers/opp/core.c b/drivers/opp/core.c index 9d7fb45b1786..9668ea04cc80 100644 --- a/drivers/opp/core.c +++ b/drivers/opp/core.c @@ -893,8 +893,10 @@ int dev_pm_opp_set_rate(struct device *dev, unsigned long target_freq) * have OPP table for the device, while others don't and * opp_set_rate() just needs to behave like clk_set_rate(). */ - if (!_get_opp_count(opp_table)) - return 0; + if (!_get_opp_count(opp_table)) { + ret = 0; + goto put_opp_table; + } if (!opp_table->required_opp_tables && !opp_table->regulators && !opp_table->paths) { @@ -905,7 +907,7 @@ int dev_pm_opp_set_rate(struct device *dev, unsigned long target_freq) ret = _set_opp_bw(opp_table, NULL, dev, true); if (ret) - return ret; + goto put_opp_table; if (opp_table->regulator_enabled) { regulator_disable(opp_table->regulators[0]); @@ -932,10 +934,13 @@ int dev_pm_opp_set_rate(struct device *dev, unsigned long target_freq) /* Return early if nothing to do */ if (old_freq == freq) { - dev_dbg(dev, "%s: old/new frequencies (%lu Hz) are same, nothing to do\n", - __func__, freq); - ret = 0; - goto put_opp_table; + if (!opp_table->required_opp_tables && !opp_table->regulators && + !opp_table->paths) { + dev_dbg(dev, "%s: old/new frequencies (%lu Hz) are same, nothing to do\n", + __func__, freq); + ret = 0; + goto put_opp_table; + } } /* |