Re: [PATCH V2 4/8] mmc: sdhci-msm: Unconditionally call dev_pm_opp_of_remove_table()

[Doug Anderson]

Hi,

On Fri, Aug 28, 2020 at 1:44 AM Ulf Hansson <ulf.hansson@xxxxxxxxxx> wrote:
>
> On Fri, 28 Aug 2020 at 08:08, Viresh Kumar <viresh.kumar@xxxxxxxxxx> wrote:
> >
> > dev_pm_opp_of_remove_table() doesn't report any errors when it fails to
> > find the OPP table with error -ENODEV (i.e. OPP table not present for
> > the device). And we can call dev_pm_opp_of_remove_table()
> > unconditionally here.
> >
> > Signed-off-by: Viresh Kumar <viresh.kumar@xxxxxxxxxx>
>
> Replaced v1 with v2 on my next branch, thanks!

Actually, I don't see it on there yet, but at least the old broken v1
isn't there anymore.  ;-)

I picked v2 and tried it on my sc7180-based device (which does have
OPP tables).  It worked fine.  Thus:

Tested-by: Douglas Anderson <dianders@xxxxxxxxxxxx>

I looked at the code and it looks right to me.  Thus:

Reviewed-by: Douglas Anderson <dianders@xxxxxxxxxxxx>


> Just to be sure, this patch doesn't depend on any changes for the opp
> core that are queued for v5.10?

Running atop mmc-next, I see the check for -ENODEV, so I'm gonna
assume that the required change is there.

$ git grep -A10 'void _dev_pm_opp_find_and_remove_table' -- drivers/opp/core.c
drivers/opp/core.c:void _dev_pm_opp_find_and_remove_table(struct device *dev)
drivers/opp/core.c-{
drivers/opp/core.c-     struct opp_table *opp_table;
drivers/opp/core.c-
drivers/opp/core.c-     /* Check for existing table for 'dev' */
drivers/opp/core.c-     opp_table = _find_opp_table(dev);
drivers/opp/core.c-     if (IS_ERR(opp_table)) {
drivers/opp/core.c-             int error = PTR_ERR(opp_table);
drivers/opp/core.c-
drivers/opp/core.c-             if (error != -ENODEV)
drivers/opp/core.c-                     WARN(1, "%s: opp_table: %d\n",