Message ID | 594cf0e6982c471eb314fe4a00647bfaf59a3456.1402029512.git.viresh.kumar@linaro.org |
---|---|
State | New |
Headers | show |
Viresh, On Thu, Jun 5, 2014 at 9:38 PM, Viresh Kumar <viresh.kumar@linaro.org> wrote: > Tegra's driver got updated a bit (00917dd cpufreq: Tegra: implement intermediate > frequency callbacks) and implements new 'intermediate freq' infrastructure of > core. Above commit updated comments about when to call > clk_prepare_enable(pll_x_clk) and Doug wasn't satisfied with those comments and > said this: > >> The "Though when target-freq is intermediate freq, we don't need to >> take this reference." makes me think that this function is actually >> called when target-freq is intermediate freq. I don't think it is, >> right? > > For better clarity just make that comment more explicit about when we call > tegra_target_intermediate(). Wasn't sure if we actually need a commit for this, > but anyway lets other decide if its worth enough :) > > Reported-by: Doug Anderson <dianders@chromium.org> > Signed-off-by: Viresh Kumar <viresh.kumar@linaro.org> > --- > drivers/cpufreq/tegra-cpufreq.c | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) > > diff --git a/drivers/cpufreq/tegra-cpufreq.c b/drivers/cpufreq/tegra-cpufreq.c > index a5fbc0a..48bc89b 100644 > --- a/drivers/cpufreq/tegra-cpufreq.c > +++ b/drivers/cpufreq/tegra-cpufreq.c > @@ -73,7 +73,7 @@ static int tegra_target_intermediate(struct cpufreq_policy *policy, > * 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. > + * reference and so this routine isn't called at all. I'm OK either way, so up to others. Reviewed-by: Doug Anderson <dianders@chromium.org> -- To unsubscribe from this list: send the line "unsubscribe linux-pm" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
On 06/05/2014 10:38 PM, Viresh Kumar wrote: > Tegra's driver got updated a bit (00917dd cpufreq: Tegra: implement intermediate > frequency callbacks) and implements new 'intermediate freq' infrastructure of > core. Above commit updated comments about when to call > clk_prepare_enable(pll_x_clk) and Doug wasn't satisfied with those comments and > said this: > >> The "Though when target-freq is intermediate freq, we don't need to >> take this reference." makes me think that this function is actually >> called when target-freq is intermediate freq. I don't think it is, >> right? > > For better clarity just make that comment more explicit about when we call > tegra_target_intermediate(). Wasn't sure if we actually need a commit for this, > but anyway lets other decide if its worth enough :) > diff --git a/drivers/cpufreq/tegra-cpufreq.c b/drivers/cpufreq/tegra-cpufreq.c > index a5fbc0a..48bc89b 100644 > --- a/drivers/cpufreq/tegra-cpufreq.c > +++ b/drivers/cpufreq/tegra-cpufreq.c > @@ -73,7 +73,7 @@ static int tegra_target_intermediate(struct cpufreq_policy *policy, > * 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. > + * reference and so this routine isn't called at all. > */ > clk_prepare_enable(pll_x_clk); I would remove the word "so" in the added line; the function is not called because we don't need to use an intermediate frequency, not because we don't need to take a reference to pll_x. With that change, Reviewed-by: Stephen Warren <swarren@nvidia.com> -- To unsubscribe from this list: send the line "unsubscribe linux-pm" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
diff --git a/drivers/cpufreq/tegra-cpufreq.c b/drivers/cpufreq/tegra-cpufreq.c index a5fbc0a..48bc89b 100644 --- a/drivers/cpufreq/tegra-cpufreq.c +++ b/drivers/cpufreq/tegra-cpufreq.c @@ -73,7 +73,7 @@ static int tegra_target_intermediate(struct cpufreq_policy *policy, * 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. + * reference and so this routine isn't called at all. */ clk_prepare_enable(pll_x_clk);