diff options
| -rw-r--r-- | drivers/rtc/rtc-pm8xxx.c | 71 |
1 files changed, 17 insertions, 54 deletions
diff --git a/drivers/rtc/rtc-pm8xxx.c b/drivers/rtc/rtc-pm8xxx.c index d114f0da537d..f49bda999e02 100644 --- a/drivers/rtc/rtc-pm8xxx.c +++ b/drivers/rtc/rtc-pm8xxx.c @@ -105,10 +105,8 @@ static int pm8xxx_rtc_set_time(struct device *dev, struct rtc_time *tm) alarm_enabled = 1; ctrl_reg &= ~regs->alarm_en; rc = regmap_write(rtc_dd->regmap, regs->alarm_ctrl, ctrl_reg); - if (rc) { - dev_err(dev, "Write to RTC Alarm control register failed\n"); + if (rc) goto rtc_rw_fail; - } } /* Disable RTC H/w before writing on RTC register */ @@ -120,51 +118,39 @@ static int pm8xxx_rtc_set_time(struct device *dev, struct rtc_time *tm) rtc_disabled = 1; rtc_ctrl_reg &= ~PM8xxx_RTC_ENABLE; rc = regmap_write(rtc_dd->regmap, regs->ctrl, rtc_ctrl_reg); - if (rc) { - dev_err(dev, "Write to RTC control register failed\n"); + if (rc) goto rtc_rw_fail; - } } /* Write 0 to Byte[0] */ rc = regmap_write(rtc_dd->regmap, regs->write, 0); - if (rc) { - dev_err(dev, "Write to RTC write data register failed\n"); + if (rc) goto rtc_rw_fail; - } /* Write Byte[1], Byte[2], Byte[3] */ rc = regmap_bulk_write(rtc_dd->regmap, regs->write + 1, &value[1], sizeof(value) - 1); - if (rc) { - dev_err(dev, "Write to RTC write data register failed\n"); + if (rc) goto rtc_rw_fail; - } /* Write Byte[0] */ rc = regmap_write(rtc_dd->regmap, regs->write, value[0]); - if (rc) { - dev_err(dev, "Write to RTC write data register failed\n"); + if (rc) goto rtc_rw_fail; - } /* Enable RTC H/w after writing on RTC register */ if (rtc_disabled) { rtc_ctrl_reg |= PM8xxx_RTC_ENABLE; rc = regmap_write(rtc_dd->regmap, regs->ctrl, rtc_ctrl_reg); - if (rc) { - dev_err(dev, "Write to RTC control register failed\n"); + if (rc) goto rtc_rw_fail; - } } if (alarm_enabled) { ctrl_reg |= regs->alarm_en; rc = regmap_write(rtc_dd->regmap, regs->alarm_ctrl, ctrl_reg); - if (rc) { - dev_err(dev, "Write to RTC Alarm control register failed\n"); + if (rc) goto rtc_rw_fail; - } } rtc_rw_fail: @@ -183,28 +169,22 @@ static int pm8xxx_rtc_read_time(struct device *dev, struct rtc_time *tm) const struct pm8xxx_rtc_regs *regs = rtc_dd->regs; rc = regmap_bulk_read(rtc_dd->regmap, regs->read, value, sizeof(value)); - if (rc) { - dev_err(dev, "RTC read data register failed\n"); + if (rc) return rc; - } /* * Read the LSB again and check if there has been a carry over. * If there is, redo the read operation. */ rc = regmap_read(rtc_dd->regmap, regs->read, ®); - if (rc < 0) { - dev_err(dev, "RTC read data register failed\n"); + if (rc < 0) return rc; - } if (unlikely(reg < value[0])) { rc = regmap_bulk_read(rtc_dd->regmap, regs->read, value, sizeof(value)); - if (rc) { - dev_err(dev, "RTC read data register failed\n"); + if (rc) return rc; - } } secs = value[0] | (value[1] << 8) | (value[2] << 16) | @@ -241,10 +221,8 @@ static int pm8xxx_rtc_set_alarm(struct device *dev, struct rtc_wkalrm *alarm) rc = regmap_bulk_write(rtc_dd->regmap, regs->alarm_rw, value, sizeof(value)); - if (rc) { - dev_err(dev, "Write to RTC ALARM register failed\n"); + if (rc) goto rtc_rw_fail; - } if (alarm->enabled) { rc = regmap_update_bits(rtc_dd->regmap, regs->alarm_ctrl, @@ -271,10 +249,8 @@ static int pm8xxx_rtc_read_alarm(struct device *dev, struct rtc_wkalrm *alarm) rc = regmap_bulk_read(rtc_dd->regmap, regs->alarm_rw, value, sizeof(value)); - if (rc) { - dev_err(dev, "RTC alarm time read failed\n"); + if (rc) return rc; - } secs = value[0] | (value[1] << 8) | (value[2] << 16) | ((unsigned long)value[3] << 24); @@ -282,10 +258,9 @@ static int pm8xxx_rtc_read_alarm(struct device *dev, struct rtc_wkalrm *alarm) rtc_time64_to_tm(secs, &alarm->time); rc = regmap_read(rtc_dd->regmap, regs->alarm_ctrl, &ctrl_reg); - if (rc) { - dev_err(dev, "Read from RTC alarm control register failed\n"); + if (rc) return rc; - } + alarm->enabled = !!(ctrl_reg & PM8xxx_RTC_ALARM_ENABLE); dev_dbg(dev, "Alarm set for - h:m:s=%ptRt, y-m-d=%ptRdr\n", @@ -315,19 +290,15 @@ static int pm8xxx_rtc_alarm_irq_enable(struct device *dev, unsigned int enable) ctrl_reg &= ~regs->alarm_en; rc = regmap_write(rtc_dd->regmap, regs->alarm_ctrl, ctrl_reg); - if (rc) { - dev_err(dev, "Write to RTC control register failed\n"); + if (rc) goto rtc_rw_fail; - } /* Clear Alarm register */ if (!enable) { rc = regmap_bulk_write(rtc_dd->regmap, regs->alarm_rw, value, sizeof(value)); - if (rc) { - dev_err(dev, "Clear RTC ALARM register failed\n"); + if (rc) goto rtc_rw_fail; - } } rtc_rw_fail: @@ -366,8 +337,6 @@ static irqreturn_t pm8xxx_alarm_trigger(int irq, void *dev_id) rc = regmap_write(rtc_dd->regmap, regs->alarm_ctrl, ctrl_reg); if (rc) { spin_unlock(&rtc_dd->ctrl_reg_lock); - dev_err(rtc_dd->rtc_dev, - "Write to alarm control register failed\n"); goto rtc_alarm_handled; } @@ -375,17 +344,11 @@ static irqreturn_t pm8xxx_alarm_trigger(int irq, void *dev_id) /* Clear RTC alarm register */ rc = regmap_read(rtc_dd->regmap, regs->alarm_ctrl2, &ctrl_reg); - if (rc) { - dev_err(rtc_dd->rtc_dev, - "RTC Alarm control2 register read failed\n"); + if (rc) goto rtc_alarm_handled; - } ctrl_reg |= PM8xxx_RTC_ALARM_CLEAR; rc = regmap_write(rtc_dd->regmap, regs->alarm_ctrl2, ctrl_reg); - if (rc) - dev_err(rtc_dd->rtc_dev, - "Write to RTC Alarm control2 register failed\n"); rtc_alarm_handled: return IRQ_HANDLED; |