Re: [PATCH v4 09/24] PM / devfreq: tegra30: Reset boosting on startup

Dmitry Osipenko
2019-07-16T13:19:21Z

16.07.2019 15:13, Chanwoo Choi пишет:
> On 19. 7. 8. 오전 7:32, Dmitry Osipenko wrote:
>> Governor could be stopped while boosting is active. We have assumption
>> that everything is reset on governor's restart, including the boosting
>> value, which was missed.
>>
>> Signed-off-by: Dmitry Osipenko <digetx@gmail.com>
>> ---
>> drivers/devfreq/tegra30-devfreq.c | 3 +++
>> 1 file changed, 3 insertions(+)
>>
>> diff --git a/drivers/devfreq/tegra30-devfreq.c b/drivers/devfreq/tegra30-devfreq.c
>> index d5d04c25023b..32fe95458ee7 100644
>> --- a/drivers/devfreq/tegra30-devfreq.c
>> +++ b/drivers/devfreq/tegra30-devfreq.c
>> @@ -536,6 +536,9 @@ static void tegra_actmon_configure_device(struct tegra_devfreq *tegra,
>> {
>> u32 val = 0, target_freq;
>>
>> + /* we don't want boosting on restart */
>
> nitpick.
> I think that following comment is proper in my case.
> In my case, I think 'we' expression is not good
>
> /* Reset the boost frequency on restart */

Okay, I'll change the wording.

>> + dev->boost_freq = 0;
>> +
>> target_freq = clk_get_rate(tegra->emc_clock) / KHZ;
>> dev->avg_count = target_freq * ACTMON_SAMPLING_PERIOD;
>> device_writel(dev, dev->avg_count, ACTMON_DEV_INIT_AVG);
>>
>
> Reviewed-by: Chanwoo Choi <cw00.choi@samsung.com>
>
>