Re: Re: Re: [PATCH] spi: tegra20-slink: Fix runtime PM imbalance on error
From: Andy Shevchenko
Date: Sat May 23 2020 - 07:52:56 EST
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?
> 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