Dear Pi-Hsun, Thanks for reminding me. I'll add dev_pm_opp_put(opp) in the next patchset. On Mon, 2019-10-21 at 15:51 +0800, Pi-Hsun Shih wrote: > Hi Roger, > > On Fri, Sep 6, 2019 at 6:06 PM Roger Lu <roger.lu@xxxxxxxxxxxx> wrote: > > ... > > +static int svs_resource_setup(struct mtk_svs *svs) > > ... > > + for (i = 0, freq = (u32)-1; i < svsb->opp_count; i++, freq--) { > > + opp = dev_pm_opp_find_freq_floor(svsb->dev, &freq); > > + if (IS_ERR(opp)) { > > + pr_err("%s: error opp entry!!, err = %ld\n", > > + svsb->name, PTR_ERR(opp)); > > + return PTR_ERR(opp); > > + } > > + > > + svsb->opp_freqs[i] = freq; > > + svsb->opp_volts[i] = dev_pm_opp_get_voltage(opp); > > + svsb->freqs_pct[i] = percent(svsb->opp_freqs[i], > > + svsb->freq_base) & 0xff; > > Should have dev_pm_opp_put(opp); here. Sure. Thanks. > > > + } > > + } > > + > > + return 0; > > +} > > ... > > +static int svs_status_proc_show(struct seq_file *m, void *v) > > ... > > + for (i = 0, freq = (u32)-1; i < svsb->opp_count; i++, freq--) { > > + opp = dev_pm_opp_find_freq_floor(svsb->dev, &freq); > > + if (IS_ERR(opp)) { > > + seq_printf(m, "%s: error opp entry!!, err = %ld\n", > > + svsb->name, PTR_ERR(opp)); > > + return PTR_ERR(opp); > > + } > > + > > + seq_printf(m, "opp_freqs[%02u]: %lu, volts[%02u]: %lu, ", > > + i, freq, i, dev_pm_opp_get_voltage(opp)); > > + seq_printf(m, "svsb_volts[%02u]: 0x%x, freqs_pct[%02u]: %u\n", > > + i, svsb->volts[i], i, svsb->freqs_pct[i]); > > Same here. Sure. Thanks. > > > + } > > + > > + return 0; > > +} > > ...