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path: root/drivers/clk/tegra/clk-dfll.c
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Diffstat (limited to 'drivers/clk/tegra/clk-dfll.c')
-rw-r--r--drivers/clk/tegra/clk-dfll.c8
1 files changed, 7 insertions, 1 deletions
diff --git a/drivers/clk/tegra/clk-dfll.c b/drivers/clk/tegra/clk-dfll.c
index c2ff859ee0e8..c4e3a52e225b 100644
--- a/drivers/clk/tegra/clk-dfll.c
+++ b/drivers/clk/tegra/clk-dfll.c
@@ -682,11 +682,17 @@ 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))
+ if (IS_ERR(opp)) {
+ rcu_read_unlock();
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;