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rtc: s5m: consolidate two device type switch statements

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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]>
Cc: Lee Jones <[email protected]>
Cc: Alessandro Zummo <[email protected]>
Cc: Sangbeom Kim <[email protected]>
Cc: Samuel Ortiz <[email protected]>
Cc: Marek Szyprowski <[email protected]>
Cc: Bartlomiej Zolnierkiewicz <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
This commit is contained in:
Krzysztof Kozlowski 2014-06-10 15:18:47 -07:00 • committed by Linus Torvalds
commit a0347f20aa
1 changed files with 8 additions and 19 deletions
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27
drivers/rtc/rtc-s5m.c
View file

@ -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;
}