diff options
Diffstat (limited to 'drivers/clk/tegra/clk-dfll.c')
-rw-r--r-- | drivers/clk/tegra/clk-dfll.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/clk/tegra/clk-dfll.c b/drivers/clk/tegra/clk-dfll.c index c2ff859ee0e8..4adff56dd0ef 100644 --- a/drivers/clk/tegra/clk-dfll.c +++ b/drivers/clk/tegra/clk-dfll.c @@ -682,11 +682,15 @@ static int find_lut_index_for_rate(struct tegra_dfll *td, unsigned long rate) struct dev_pm_opp *opp; int i, uv; + rcu_read_lock(); + opp = dev_pm_opp_find_freq_ceil(td->soc->dev, &rate); if (IS_ERR(opp)) return PTR_ERR(opp); uv = dev_pm_opp_get_voltage(opp); + rcu_read_unlock(); + for (i = 0; i < td->i2c_lut_size; i++) { if (regulator_list_voltage(td->vdd_reg, td->i2c_lut[i]) == uv) return i; |