Re: [PATCH v3 01/12] opp: Fix adding OPP entries in a wrong order if rate is unavailable

Viresh Kumar
2021-01-18T07:45:23Z

On 18-01-21, 03:55, Dmitry Osipenko wrote:
> Fix adding OPP entries in a wrong (opposite) order if OPP rate is
> unavailable. The OPP comparison was erroneously skipped, thus OPPs
> were left unsorted.
>
> Tested-by: Peter Geis <pgwipeout@gmail.com>
> Tested-by: Nicolas Chauvet <kwizart@gmail.com>
> Tested-by: Matt Merhar <mattmerhar@protonmail.com>
> Signed-off-by: Dmitry Osipenko <digetx@gmail.com>
> ---
> drivers/opp/core.c | 10 ++++------
> 1 file changed, 4 insertions(+), 6 deletions(-)
>
> diff --git a/drivers/opp/core.c b/drivers/opp/core.c
> index dfc4208d3f87..48618ff3e99e 100644
> --- a/drivers/opp/core.c
> +++ b/drivers/opp/core.c
> @@ -1527,12 +1527,10 @@ int _opp_add(struct device *dev, struct dev_pm_opp *new_opp,
> mutex_lock(&opp_table->lock);
> head = &opp_table->opp_list;
>
> - if (likely(!rate_not_available)) {
> - ret = _opp_is_duplicate(dev, new_opp, opp_table, &head);
> - if (ret) {
> - mutex_unlock(&opp_table->lock);
> - return ret;
> - }
> + ret = _opp_is_duplicate(dev, new_opp, opp_table, &head);
> + if (ret) {
> + mutex_unlock(&opp_table->lock);
> + return ret;
> }
>
> list_add(&new_opp->node, head);

Applied. Thanks.

I am not sending it for 5.11-rc as there shouldn't be any users which
are impacted because of this right now, right ?

--
viresh