diff options
| -rw-r--r-- | drivers/opp/core.c | 15 |
1 files changed, 13 insertions, 2 deletions
diff --git a/drivers/opp/core.c b/drivers/opp/core.c index 1fee2abc0ba6..be3291b53719 100644 --- a/drivers/opp/core.c +++ b/drivers/opp/core.c @@ -116,6 +116,15 @@ static bool assert_clk_index(struct opp_table *opp_table, return opp_table->clk_count > index; } +/* + * Returns true if bandwidth table is large enough to contain the bandwidth index. + */ +static bool assert_bandwidth_index(struct opp_table *opp_table, + unsigned int index) +{ + return opp_table->path_count > index; +} + /** * dev_pm_opp_get_bw() - Gets the bandwidth corresponding to an opp * @opp: opp for which bandwidth has to be returned for @@ -915,7 +924,8 @@ struct dev_pm_opp *dev_pm_opp_find_bw_ceil(struct device *dev, unsigned int *bw, unsigned long temp = *bw; struct dev_pm_opp *opp; - opp = _find_key_ceil(dev, &temp, index, true, _read_bw, NULL); + opp = _find_key_ceil(dev, &temp, index, true, _read_bw, + assert_bandwidth_index); *bw = temp; return opp; } @@ -946,7 +956,8 @@ struct dev_pm_opp *dev_pm_opp_find_bw_floor(struct device *dev, unsigned long temp = *bw; struct dev_pm_opp *opp; - opp = _find_key_floor(dev, &temp, index, true, _read_bw, NULL); + opp = _find_key_floor(dev, &temp, index, true, _read_bw, + assert_bandwidth_index); *bw = temp; return opp; } |