> On Sat, May 23, 2020 at 2:32 PM <dinghao.liu@xxxxxxxxxx> wrote: > > > > > On Fri, May 22, 2020 at 6:20 PM Andy Shevchenko > > > <andy.shevchenko@xxxxxxxxx> wrote: > > > > On Fri, May 22, 2020 at 10:46 AM <dinghao.liu@xxxxxxxxxx> wrote: > > ... > > > I also checked many other implementation of probe in drivers. > > It seems that using pm_runtime_put() is ok. > > In *error path* or normal path? > Error path (e.g., sysc_probe, exynos_trng_probe, map_rng_probe, ti_eqep_probe). > > If I misunderstood > > your opinion, please point it out, thanks. > > Bottom line is (for the *error path* case): > pm_runtime_put_noidle() has no side effects > pm_runtime_put() (potentially) might have side effects. > > You should choose one which is clearer about what it does. > > -- > With Best Regards, > Andy Shevchenko Agree, for this bug using _noidle() is clearer. I will send a new path to fix this. Regards, Dinghao