diff options
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/cpufreq/tegra-cpufreq.c | 9 |
1 files changed, 6 insertions, 3 deletions
diff --git a/drivers/cpufreq/tegra-cpufreq.c b/drivers/cpufreq/tegra-cpufreq.c index a5fbc0a8d89..8084c7f7e20 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); |