09.11.2020 08:00, Viresh Kumar пишет: > On 06-11-20, 21:41, Frank Lee wrote: >> On Fri, Nov 6, 2020 at 9:18 PM Dmitry Osipenko <digetx@xxxxxxxxx> wrote: >>> >>> 06.11.2020 09:15, Viresh Kumar пишет: >>>> Setting regulators for count as 0 doesn't sound good to me. >>>> >>>> But, I understand that you don't want to have that if (have_regulator) >>>> check, and it is a fair request. What I will instead do is, allow all >>>> dev_pm_opp_put*() API to start accepting a NULL pointer for the OPP >>>> table and fail silently. And so you won't be required to have this >>>> unwanted check. But you will be required to save the pointer returned >>>> back by dev_pm_opp_set_regulators(), which is the right thing to do >>>> anyways. >>> >>> Perhaps even a better variant could be to add a devm versions of the OPP >>> API functions, then drivers won't need to care about storing the >>> opp_table pointer if it's unused by drivers. >> >> I think so. The consumer may not be so concerned about the status of >> these OPP tables. >> If the driver needs to manage the release, it needs to add a pointer >> to their driver global structure. >> >> Maybe it's worth having these devm interfaces for opp. > > Sure if there are enough users of this, I am all for it. I was fine > with the patches you sent, just that there were not a lot of users of > it and so I pushed them back. If we find that we have more users of it > now, we can surely get that back. > There was already attempt to add the devm? Could you please give me a link to the patches? I already prepared a patch which adds the devm helpers. It helps to keep code cleaner and readable.
