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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.c17
1 files changed, 6 insertions, 11 deletions
diff --git a/drivers/clk/tegra/clk-dfll.c b/drivers/clk/tegra/clk-dfll.c
index f010562534eb..2c44aeb0b97c 100644
--- a/drivers/clk/tegra/clk-dfll.c
+++ b/drivers/clk/tegra/clk-dfll.c
@@ -633,16 +633,12 @@ 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)) {
- rcu_read_unlock();
+ if (IS_ERR(opp))
return PTR_ERR(opp);
- }
- uv = dev_pm_opp_get_voltage(opp);
- rcu_read_unlock();
+ uv = dev_pm_opp_get_voltage(opp);
+ dev_pm_opp_put(opp);
for (i = 0; i < td->i2c_lut_size; i++) {
if (regulator_list_voltage(td->vdd_reg, td->i2c_lut[i]) == uv)
@@ -1440,8 +1436,6 @@ static int dfll_build_i2c_lut(struct tegra_dfll *td)
struct dev_pm_opp *opp;
int lut;
- rcu_read_lock();
-
rate = ULONG_MAX;
opp = dev_pm_opp_find_freq_floor(td->soc->dev, &rate);
if (IS_ERR(opp)) {
@@ -1449,6 +1443,7 @@ static int dfll_build_i2c_lut(struct tegra_dfll *td)
goto out;
}
v_max = dev_pm_opp_get_voltage(opp);
+ dev_pm_opp_put(opp);
v = td->soc->cvb->min_millivolts * 1000;
lut = find_vdd_map_entry_exact(td, v);
@@ -1465,6 +1460,8 @@ static int dfll_build_i2c_lut(struct tegra_dfll *td)
if (v_opp <= td->soc->cvb->min_millivolts * 1000)
td->dvco_rate_min = dev_pm_opp_get_freq(opp);
+ dev_pm_opp_put(opp);
+
for (;;) {
v += max(1, (v_max - v) / (MAX_DFLL_VOLTAGES - j));
if (v >= v_opp)
@@ -1496,8 +1493,6 @@ static int dfll_build_i2c_lut(struct tegra_dfll *td)
ret = 0;
out:
- rcu_read_unlock();
-
return ret;
}