A required OPP may not be available, and thus, all OPPs which are using this required OPP should be unavailable too.
Tested-by: Peter Geis <[email protected]> Tested-by: Nicolas Chauvet <[email protected]> Tested-by: Matt Merhar <[email protected]> Signed-off-by: Dmitry Osipenko <[email protected]> --- drivers/opp/core.c | 11 +++++++++++ 1 file changed, 11 insertions(+) diff --git a/drivers/opp/core.c b/drivers/opp/core.c index 48618ff3e99e..7b4d07279638 100644 --- a/drivers/opp/core.c +++ b/drivers/opp/core.c @@ -1522,6 +1522,7 @@ int _opp_add(struct device *dev, struct dev_pm_opp *new_opp, struct opp_table *opp_table, bool rate_not_available) { struct list_head *head; + unsigned int i; int ret; mutex_lock(&opp_table->lock); @@ -1547,6 +1548,16 @@ int _opp_add(struct device *dev, struct dev_pm_opp *new_opp, __func__, new_opp->rate); } + for (i = 0; i < opp_table->required_opp_count; i++) { + if (new_opp->required_opps[i]->available) + continue; + + new_opp->available = false; + dev_warn(dev, "%s: OPP not supported by required OPP %pOF (%lu)\n", + __func__, new_opp->required_opps[i]->np, new_opp->rate); + break; + } + return 0; } -- 2.29.2
