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-rw-r--r--drivers/cpufreq/tegra-cpufreq.c9
1 files changed, 6 insertions, 3 deletions
diff --git a/drivers/cpufreq/tegra-cpufreq.c b/drivers/cpufreq/tegra-cpufreq.c
index a5fbc0a8d897..8084c7f7e206 100644
--- a/drivers/cpufreq/tegra-cpufreq.c
+++ b/drivers/cpufreq/tegra-cpufreq.c
@@ -71,9 +71,12 @@ static int tegra_target_intermediate(struct cpufreq_policy *policy,
/*
* Take an extra reference to the main pll so it doesn't turn
* off when we move the cpu off of it as enabling it again while we
- * switch to it from tegra_target() would take additional time. Though
- * when target-freq is intermediate freq, we don't need to take this
- * reference.
+ * switch to it from tegra_target() would take additional time.
+ *
+ * When target-freq is equal to intermediate freq we don't need to
+ * switch to an intermediate freq and so this routine isn't called.
+ * Also, we wouldn't be using pll_x anymore and must not take extra
+ * reference to it, as it can be disabled now to save some power.
*/
clk_prepare_enable(pll_x_clk);