diff options
Diffstat (limited to 'drivers/rtc/rtc-dev.c')
-rw-r--r-- | drivers/rtc/rtc-dev.c | 33 |
1 files changed, 11 insertions, 22 deletions
diff --git a/drivers/rtc/rtc-dev.c b/drivers/rtc/rtc-dev.c index 005fff3a3508..362400db2e8b 100644 --- a/drivers/rtc/rtc-dev.c +++ b/drivers/rtc/rtc-dev.c | |||
@@ -238,17 +238,6 @@ static int rtc_dev_ioctl(struct inode *inode, struct file *file, | |||
238 | break; | 238 | break; |
239 | } | 239 | } |
240 | 240 | ||
241 | /* avoid conflicting IRQ users */ | ||
242 | if (cmd == RTC_PIE_ON || cmd == RTC_PIE_OFF || cmd == RTC_IRQP_SET) { | ||
243 | spin_lock_irq(&rtc->irq_task_lock); | ||
244 | if (rtc->irq_task) | ||
245 | err = -EBUSY; | ||
246 | spin_unlock_irq(&rtc->irq_task_lock); | ||
247 | |||
248 | if (err < 0) | ||
249 | return err; | ||
250 | } | ||
251 | |||
252 | /* try the driver's ioctl interface */ | 241 | /* try the driver's ioctl interface */ |
253 | if (ops->ioctl) { | 242 | if (ops->ioctl) { |
254 | err = ops->ioctl(rtc->dev.parent, cmd, arg); | 243 | err = ops->ioctl(rtc->dev.parent, cmd, arg); |
@@ -338,18 +327,20 @@ static int rtc_dev_ioctl(struct inode *inode, struct file *file, | |||
338 | err = rtc_set_time(rtc, &tm); | 327 | err = rtc_set_time(rtc, &tm); |
339 | break; | 328 | break; |
340 | 329 | ||
341 | case RTC_IRQP_READ: | 330 | case RTC_PIE_ON: |
342 | if (ops->irq_set_freq) | 331 | err = rtc_irq_set_state(rtc, NULL, 1); |
343 | err = put_user(rtc->irq_freq, (unsigned long __user *)uarg); | 332 | break; |
344 | else | 333 | |
345 | err = -ENOTTY; | 334 | case RTC_PIE_OFF: |
335 | err = rtc_irq_set_state(rtc, NULL, 0); | ||
346 | break; | 336 | break; |
347 | 337 | ||
348 | case RTC_IRQP_SET: | 338 | case RTC_IRQP_SET: |
349 | if (ops->irq_set_freq) | 339 | err = rtc_irq_set_freq(rtc, NULL, arg); |
350 | err = rtc_irq_set_freq(rtc, rtc->irq_task, arg); | 340 | break; |
351 | else | 341 | |
352 | err = -ENOTTY; | 342 | case RTC_IRQP_READ: |
343 | err = put_user(rtc->irq_freq, (unsigned long __user *)uarg); | ||
353 | break; | 344 | break; |
354 | 345 | ||
355 | #if 0 | 346 | #if 0 |
@@ -449,8 +440,6 @@ void rtc_dev_prepare(struct rtc_device *rtc) | |||
449 | rtc->dev.devt = MKDEV(MAJOR(rtc_devt), rtc->id); | 440 | rtc->dev.devt = MKDEV(MAJOR(rtc_devt), rtc->id); |
450 | 441 | ||
451 | mutex_init(&rtc->char_lock); | 442 | mutex_init(&rtc->char_lock); |
452 | spin_lock_init(&rtc->irq_lock); | ||
453 | init_waitqueue_head(&rtc->irq_queue); | ||
454 | #ifdef CONFIG_RTC_INTF_DEV_UIE_EMUL | 443 | #ifdef CONFIG_RTC_INTF_DEV_UIE_EMUL |
455 | INIT_WORK(&rtc->uie_task, rtc_uie_task); | 444 | INIT_WORK(&rtc->uie_task, rtc_uie_task); |
456 | setup_timer(&rtc->uie_timer, rtc_uie_timer, (unsigned long)rtc); | 445 | setup_timer(&rtc->uie_timer, rtc_uie_timer, (unsigned long)rtc); |