On 16/06/2020 10:38:00+0200, Bruno Thomsen wrote: > > +static int pcf2127_rtc_read_alarm(struct device *dev, struct rtc_wkalrm *alrm) > > +{ > > + struct pcf2127 *pcf2127 = dev_get_drvdata(dev); > > + unsigned int buf[5], ctrl2; > > + int ret; > > + > > + ret = regmap_read(pcf2127->regmap, PCF2127_REG_CTRL2, &ctrl2); > > + if (ret) { > > + dev_err(dev, "%s: ctrl2 read error\n", __func__); > > + return ret; > > + } > > + > > + ret = pcf2127_wdt_active_ping(&pcf2127->wdd); > > + if (ret) > > + return ret; > > + > > + ret = regmap_bulk_read(pcf2127->regmap, PCF2127_REG_ALARM_SC, buf, > > + sizeof(buf)); > > + if (ret) { > > + dev_err(dev, "%s: alarm read error\n", __func__); > > + return ret; > > + } > > + > > + alrm->enabled = ctrl2 & PCF2127_BIT_CTRL2_AIE; > > + alrm->pending = ctrl2 & PCF2127_BIT_CTRL2_AF; > > + > > + alrm->time.tm_sec = bcd2bin(buf[0] & 0x7F); > > + alrm->time.tm_min = bcd2bin(buf[1] & 0x7F); > > + alrm->time.tm_hour = bcd2bin(buf[2] & 0x3F); > > + alrm->time.tm_mday = bcd2bin(buf[3] & 0x3F); > > + alrm->time.tm_wday = buf[4] & 0x07; > > + > > + dev_dbg(dev, "%s: alarm is %d:%d:%d, mday=%d, wday=%d\n", __func__, > > + alrm->time.tm_hour, alrm->time.tm_min, alrm->time.tm_sec, > > + alrm->time.tm_mday, alrm->time.tm_wday); > > + > > + return 0; > > +} > > + > > +static int pcf2127_rtc_alarm_irq_enable(struct device *dev, u32 enable) > > +{ > > + struct pcf2127 *pcf2127 = dev_get_drvdata(dev); > > + int ret; > > + > > + ret = regmap_update_bits(pcf2127->regmap, PCF2127_REG_CTRL2, > > + PCF2127_BIT_CTRL2_AIE, > > + enable ? PCF2127_BIT_CTRL2_AIE : 0); > > + if (ret) { > > + dev_err(dev, "%s: failed to %s alarm (%d)\n", __func__, > > + enable ? "enable" : "disable", > > + ret); > > + return ret; > > + } > > + > > + ret = pcf2127_wdt_active_ping(&pcf2127->wdd); > > + if (ret) > > + return ret; > > + > > + return 0; > > Just do "return ret;" unconditional. > Just return pcf2127_wdt_active_ping(&pcf2127->wdd); -- Alexandre Belloni, Bootlin Embedded Linux and Kernel engineering https://bootlin.com