diff options
Diffstat (limited to 'drivers/rtc/rtc-cmos.c')
| -rw-r--r-- | drivers/rtc/rtc-cmos.c | 75 |
1 files changed, 35 insertions, 40 deletions
diff --git a/drivers/rtc/rtc-cmos.c b/drivers/rtc/rtc-cmos.c index 876e3fcffca4..eb154dc57164 100644 --- a/drivers/rtc/rtc-cmos.c +++ b/drivers/rtc/rtc-cmos.c | |||
| @@ -420,49 +420,43 @@ static int cmos_irq_set_state(struct device *dev, int enabled) | |||
| 420 | return 0; | 420 | return 0; |
| 421 | } | 421 | } |
| 422 | 422 | ||
| 423 | #if defined(CONFIG_RTC_INTF_DEV) || defined(CONFIG_RTC_INTF_DEV_MODULE) | 423 | static int cmos_alarm_irq_enable(struct device *dev, unsigned int enabled) |
| 424 | |||
| 425 | static int | ||
| 426 | cmos_rtc_ioctl(struct device *dev, unsigned int cmd, unsigned long arg) | ||
| 427 | { | 424 | { |
| 428 | struct cmos_rtc *cmos = dev_get_drvdata(dev); | 425 | struct cmos_rtc *cmos = dev_get_drvdata(dev); |
| 429 | unsigned long flags; | 426 | unsigned long flags; |
| 430 | 427 | ||
| 431 | switch (cmd) { | 428 | if (!is_valid_irq(cmos->irq)) |
| 432 | case RTC_AIE_OFF: | 429 | return -EINVAL; |
| 433 | case RTC_AIE_ON: | ||
| 434 | case RTC_UIE_OFF: | ||
| 435 | case RTC_UIE_ON: | ||
| 436 | if (!is_valid_irq(cmos->irq)) | ||
| 437 | return -EINVAL; | ||
| 438 | break; | ||
| 439 | /* PIE ON/OFF is handled by cmos_irq_set_state() */ | ||
| 440 | default: | ||
| 441 | return -ENOIOCTLCMD; | ||
| 442 | } | ||
| 443 | 430 | ||
| 444 | spin_lock_irqsave(&rtc_lock, flags); | 431 | spin_lock_irqsave(&rtc_lock, flags); |
| 445 | switch (cmd) { | 432 | |
| 446 | case RTC_AIE_OFF: /* alarm off */ | 433 | if (enabled) |
| 447 | cmos_irq_disable(cmos, RTC_AIE); | ||
| 448 | break; | ||
| 449 | case RTC_AIE_ON: /* alarm on */ | ||
| 450 | cmos_irq_enable(cmos, RTC_AIE); | 434 | cmos_irq_enable(cmos, RTC_AIE); |
| 451 | break; | 435 | else |
| 452 | case RTC_UIE_OFF: /* update off */ | 436 | cmos_irq_disable(cmos, RTC_AIE); |
| 453 | cmos_irq_disable(cmos, RTC_UIE); | 437 | |
| 454 | break; | ||
| 455 | case RTC_UIE_ON: /* update on */ | ||
| 456 | cmos_irq_enable(cmos, RTC_UIE); | ||
| 457 | break; | ||
| 458 | } | ||
| 459 | spin_unlock_irqrestore(&rtc_lock, flags); | 438 | spin_unlock_irqrestore(&rtc_lock, flags); |
| 460 | return 0; | 439 | return 0; |
| 461 | } | 440 | } |
| 462 | 441 | ||
| 463 | #else | 442 | static int cmos_update_irq_enable(struct device *dev, unsigned int enabled) |
| 464 | #define cmos_rtc_ioctl NULL | 443 | { |
| 465 | #endif | 444 | struct cmos_rtc *cmos = dev_get_drvdata(dev); |
| 445 | unsigned long flags; | ||
| 446 | |||
| 447 | if (!is_valid_irq(cmos->irq)) | ||
| 448 | return -EINVAL; | ||
| 449 | |||
| 450 | spin_lock_irqsave(&rtc_lock, flags); | ||
| 451 | |||
| 452 | if (enabled) | ||
| 453 | cmos_irq_enable(cmos, RTC_UIE); | ||
| 454 | else | ||
| 455 | cmos_irq_disable(cmos, RTC_UIE); | ||
| 456 | |||
| 457 | spin_unlock_irqrestore(&rtc_lock, flags); | ||
| 458 | return 0; | ||
| 459 | } | ||
| 466 | 460 | ||
| 467 | #if defined(CONFIG_RTC_INTF_PROC) || defined(CONFIG_RTC_INTF_PROC_MODULE) | 461 | #if defined(CONFIG_RTC_INTF_PROC) || defined(CONFIG_RTC_INTF_PROC_MODULE) |
| 468 | 462 | ||
| @@ -503,14 +497,15 @@ static int cmos_procfs(struct device *dev, struct seq_file *seq) | |||
| 503 | #endif | 497 | #endif |
| 504 | 498 | ||
| 505 | static const struct rtc_class_ops cmos_rtc_ops = { | 499 | static const struct rtc_class_ops cmos_rtc_ops = { |
| 506 | .ioctl = cmos_rtc_ioctl, | 500 | .read_time = cmos_read_time, |
| 507 | .read_time = cmos_read_time, | 501 | .set_time = cmos_set_time, |
| 508 | .set_time = cmos_set_time, | 502 | .read_alarm = cmos_read_alarm, |
| 509 | .read_alarm = cmos_read_alarm, | 503 | .set_alarm = cmos_set_alarm, |
| 510 | .set_alarm = cmos_set_alarm, | 504 | .proc = cmos_procfs, |
| 511 | .proc = cmos_procfs, | 505 | .irq_set_freq = cmos_irq_set_freq, |
| 512 | .irq_set_freq = cmos_irq_set_freq, | 506 | .irq_set_state = cmos_irq_set_state, |
| 513 | .irq_set_state = cmos_irq_set_state, | 507 | .alarm_irq_enable = cmos_alarm_irq_enable, |
| 508 | .update_irq_enable = cmos_update_irq_enable, | ||
| 514 | }; | 509 | }; |
| 515 | 510 | ||
| 516 | /*----------------------------------------------------------------*/ | 511 | /*----------------------------------------------------------------*/ |
