Merge remote-tracking branches 'regulator/topic/load', 'regulator/topic/max77802...

[cascardo/linux.git] / drivers / clk / tegra / clk-dfll.c

diff --git a/drivers/clk/tegra/clk-dfll.c b/drivers/clk/tegra/clk-dfll.c
index c2ff859..c4e3a52 100644 (file)
--- 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;