On 11-11-20, 11:15, Viresh Kumar wrote:
> On 11-11-20, 04:14, Dmitry Osipenko wrote:
> > The dev_pm_opp_get_opp_table() shouldn't be used by drivers, use
> > dev_pm_opp_set_clkname() instead.
> >
> > Suggested-by: Viresh Kumar <viresh.ku...@linaro.org>
> > Signed-off-by: Dmitry Osipenko <dig...@gmail.com>
> > ---
> > drivers/memory/tegra/tegra20-emc.c | 30 +++++++++++++++++++-----------
> > 1 file changed, 19 insertions(+), 11 deletions(-)
> >
> > diff --git a/drivers/memory/tegra/tegra20-emc.c
> > b/drivers/memory/tegra/tegra20-emc.c
> > index 5e10aa97809f..bb3f315c9587 100644
> > --- a/drivers/memory/tegra/tegra20-emc.c
> > +++ b/drivers/memory/tegra/tegra20-emc.c
> > @@ -902,7 +902,7 @@ static int tegra_emc_interconnect_init(struct tegra_emc
> > *emc)
> >
> > static int tegra_emc_opp_table_init(struct tegra_emc *emc)
> > {
> > - struct opp_table *opp_table;
> > + struct opp_table *reg_opp_table = NULL, *clk_opp_table;
> > const char *rname = "core";
> > int err;
> >
> > @@ -917,19 +917,24 @@ static int tegra_emc_opp_table_init(struct tegra_emc
> > *emc)
> > }
> >
> > /* voltage scaling is optional */
> > - if (device_property_present(emc->dev, "core-supply"))
> > - opp_table = dev_pm_opp_set_regulators(emc->dev, &rname, 1);
> > - else
> > - opp_table = dev_pm_opp_get_opp_table(emc->dev);
> > + if (device_property_present(emc->dev, "core-supply")) {
> > + reg_opp_table = dev_pm_opp_set_regulators(emc->dev, &rname, 1);
> > + if (IS_ERR(reg_opp_table))
> > + return dev_err_probe(emc->dev, PTR_ERR(reg_opp_table),
> > + "failed to set OPP regulator\n");
> > + }
> >
> > - if (IS_ERR(opp_table))
> > - return dev_err_probe(emc->dev, PTR_ERR(opp_table),
> > - "failed to prepare OPP table\n");
> > + clk_opp_table = dev_pm_opp_set_clkname(emc->dev, NULL);
> > + err = PTR_ERR_OR_ZERO(clk_opp_table);
>
> Don't check for NULL here.
My bad. You aren't checking but just converting to err. Its fine.
--
viresh
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