diff options
Diffstat (limited to 'drivers/opp')
| -rw-r--r-- | drivers/opp/core.c | 8 | ||||
| -rw-r--r-- | drivers/opp/opp.h | 2 |
2 files changed, 7 insertions, 3 deletions
diff --git a/drivers/opp/core.c b/drivers/opp/core.c index c3f3d9249cc5..c2689386a906 100644 --- a/drivers/opp/core.c +++ b/drivers/opp/core.c @@ -998,14 +998,15 @@ static int _set_opp(struct device *dev, struct opp_table *opp_table, old_opp = opp_table->current_opp; /* Return early if nothing to do */ - if (opp_table->enabled && old_opp == opp) { + if (old_opp == opp && opp_table->current_rate == freq && + opp_table->enabled) { dev_dbg(dev, "%s: OPPs are same, nothing to do\n", __func__); return 0; } dev_dbg(dev, "%s: switching OPP: Freq %lu -> %lu Hz, Level %u -> %u, Bw %u -> %u\n", - __func__, old_opp->rate, freq, old_opp->level, opp->level, - old_opp->bandwidth ? old_opp->bandwidth[0].peak : 0, + __func__, opp_table->current_rate, freq, old_opp->level, + opp->level, old_opp->bandwidth ? old_opp->bandwidth[0].peak : 0, opp->bandwidth ? opp->bandwidth[0].peak : 0); scaling_down = _opp_compare_key(old_opp, opp); @@ -1061,6 +1062,7 @@ static int _set_opp(struct device *dev, struct opp_table *opp_table, /* Make sure current_opp doesn't get freed */ dev_pm_opp_get(opp); opp_table->current_opp = opp; + opp_table->current_rate = freq; return ret; } diff --git a/drivers/opp/opp.h b/drivers/opp/opp.h index 9b9daf83b074..50fb9dced3c5 100644 --- a/drivers/opp/opp.h +++ b/drivers/opp/opp.h @@ -135,6 +135,7 @@ enum opp_table_access { * @clock_latency_ns_max: Max clock latency in nanoseconds. * @parsed_static_opps: Count of devices for which OPPs are initialized from DT. * @shared_opp: OPP is shared between multiple devices. + * @current_rate: Currently configured frequency. * @current_opp: Currently configured OPP for the table. * @suspend_opp: Pointer to OPP to be used during device suspend. * @genpd_virt_dev_lock: Mutex protecting the genpd virtual device pointers. @@ -184,6 +185,7 @@ struct opp_table { unsigned int parsed_static_opps; enum opp_table_access shared_opp; + unsigned long current_rate; struct dev_pm_opp *current_opp; struct dev_pm_opp *suspend_opp; |