In probe the configuration of driver for different chipsets was done in two switch (pdata->device_type) statements. Consolidate them into one switch statement to increase code readability.
Additionally check the return value of regmap_irq_get_virq and exit probe on error. Signed-off-by: Krzysztof Kozlowski <[email protected]> Cc: Kyungmin Park <[email protected]> --- drivers/rtc/rtc-s5m.c | 27 ++++++++------------------- 1 file changed, 8 insertions(+), 19 deletions(-) diff --git a/drivers/rtc/rtc-s5m.c b/drivers/rtc/rtc-s5m.c index 76287ebd0e35..8f06250a0389 100644 --- a/drivers/rtc/rtc-s5m.c +++ b/drivers/rtc/rtc-s5m.c @@ -666,7 +666,7 @@ static int s5m_rtc_probe(struct platform_device *pdev) struct sec_platform_data *pdata = s5m87xx->pdata; struct s5m_rtc_info *info; const struct regmap_config *regmap_cfg; - int ret; + int ret, alarm_irq; if (!pdata) { dev_err(pdev->dev.parent, "Platform data not supplied\n"); @@ -681,14 +681,17 @@ static int s5m_rtc_probe(struct platform_device *pdev) case S2MPS14X: regmap_cfg = &s2mps14_rtc_regmap_config; info->regs = &s2mps_rtc_regs; + alarm_irq = S2MPS14_IRQ_RTCA0; break; case S5M8763X: regmap_cfg = &s5m_rtc_regmap_config; info->regs = &s5m_rtc_regs; + alarm_irq = S5M8763_IRQ_ALARM0; break; case S5M8767X: regmap_cfg = &s5m_rtc_regmap_config; info->regs = &s5m_rtc_regs; + alarm_irq = S5M8767_IRQ_RTCA1; break; default: dev_err(&pdev->dev, "Device type is not supported by RTC driver\n"); @@ -714,25 +717,11 @@ static int s5m_rtc_probe(struct platform_device *pdev) info->device_type = s5m87xx->device_type; info->wtsr_smpl = s5m87xx->wtsr_smpl; - switch (pdata->device_type) { - case S2MPS14X: - info->irq = regmap_irq_get_virq(s5m87xx->irq_data, - S2MPS14_IRQ_RTCA0); - break; - - case S5M8763X: - info->irq = regmap_irq_get_virq(s5m87xx->irq_data, - S5M8763_IRQ_ALARM0); - break; - - case S5M8767X: - info->irq = regmap_irq_get_virq(s5m87xx->irq_data, - S5M8767_IRQ_RTCA1); - break; - - default: + info->irq = regmap_irq_get_virq(s5m87xx->irq_data, alarm_irq); + if (info->irq <= 0) { ret = -EINVAL; - dev_err(&pdev->dev, "Unsupported device type: %d\n", ret); + dev_err(&pdev->dev, "Failed to get virtual IRQ %d\n", + alarm_irq); goto err; } -- 1.8.3.2 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
