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-rw-r--r--drivers/rtc/rtc-s3c.c67
1 files changed, 25 insertions, 42 deletions
diff --git a/drivers/rtc/rtc-s3c.c b/drivers/rtc/rtc-s3c.c
index 067207afc086..4e7c04e773e0 100644
--- a/drivers/rtc/rtc-s3c.c
+++ b/drivers/rtc/rtc-s3c.c
@@ -319,49 +319,7 @@ static int s3c_rtc_proc(struct device *dev, struct seq_file *seq)
319 return 0; 319 return 0;
320} 320}
321 321
322static int s3c_rtc_open(struct device *dev)
323{
324 struct platform_device *pdev = to_platform_device(dev);
325 struct rtc_device *rtc_dev = platform_get_drvdata(pdev);
326 int ret;
327
328 ret = request_irq(s3c_rtc_alarmno, s3c_rtc_alarmirq,
329 IRQF_DISABLED, "s3c2410-rtc alarm", rtc_dev);
330
331 if (ret) {
332 dev_err(dev, "IRQ%d error %d\n", s3c_rtc_alarmno, ret);
333 return ret;
334 }
335
336 ret = request_irq(s3c_rtc_tickno, s3c_rtc_tickirq,
337 IRQF_DISABLED, "s3c2410-rtc tick", rtc_dev);
338
339 if (ret) {
340 dev_err(dev, "IRQ%d error %d\n", s3c_rtc_tickno, ret);
341 goto tick_err;
342 }
343
344 return ret;
345
346 tick_err:
347 free_irq(s3c_rtc_alarmno, rtc_dev);
348 return ret;
349}
350
351static void s3c_rtc_release(struct device *dev)
352{
353 struct platform_device *pdev = to_platform_device(dev);
354 struct rtc_device *rtc_dev = platform_get_drvdata(pdev);
355
356 /* do not clear AIE here, it may be needed for wake */
357
358 free_irq(s3c_rtc_alarmno, rtc_dev);
359 free_irq(s3c_rtc_tickno, rtc_dev);
360}
361
362static const struct rtc_class_ops s3c_rtcops = { 322static const struct rtc_class_ops s3c_rtcops = {
363 .open = s3c_rtc_open,
364 .release = s3c_rtc_release,
365 .read_time = s3c_rtc_gettime, 323 .read_time = s3c_rtc_gettime,
366 .set_time = s3c_rtc_settime, 324 .set_time = s3c_rtc_settime,
367 .read_alarm = s3c_rtc_getalarm, 325 .read_alarm = s3c_rtc_getalarm,
@@ -425,6 +383,9 @@ static int __devexit s3c_rtc_remove(struct platform_device *dev)
425{ 383{
426 struct rtc_device *rtc = platform_get_drvdata(dev); 384 struct rtc_device *rtc = platform_get_drvdata(dev);
427 385
386 free_irq(s3c_rtc_alarmno, rtc);
387 free_irq(s3c_rtc_tickno, rtc);
388
428 platform_set_drvdata(dev, NULL); 389 platform_set_drvdata(dev, NULL);
429 rtc_device_unregister(rtc); 390 rtc_device_unregister(rtc);
430 391
@@ -548,10 +509,32 @@ static int __devinit s3c_rtc_probe(struct platform_device *pdev)
548 509
549 s3c_rtc_setfreq(&pdev->dev, 1); 510 s3c_rtc_setfreq(&pdev->dev, 1);
550 511
512 ret = request_irq(s3c_rtc_alarmno, s3c_rtc_alarmirq,
513 IRQF_DISABLED, "s3c2410-rtc alarm", rtc);
514 if (ret) {
515 dev_err(&pdev->dev, "IRQ%d error %d\n", s3c_rtc_alarmno, ret);
516 goto err_alarm_irq;
517 }
518
519 ret = request_irq(s3c_rtc_tickno, s3c_rtc_tickirq,
520 IRQF_DISABLED, "s3c2410-rtc tick", rtc);
521 if (ret) {
522 dev_err(&pdev->dev, "IRQ%d error %d\n", s3c_rtc_tickno, ret);
523 free_irq(s3c_rtc_alarmno, rtc);
524 goto err_tick_irq;
525 }
526
551 clk_disable(rtc_clk); 527 clk_disable(rtc_clk);
552 528
553 return 0; 529 return 0;
554 530
531 err_tick_irq:
532 free_irq(s3c_rtc_alarmno, rtc);
533
534 err_alarm_irq:
535 platform_set_drvdata(pdev, NULL);
536 rtc_device_unregister(rtc);
537
555 err_nortc: 538 err_nortc:
556 s3c_rtc_enable(pdev, 0); 539 s3c_rtc_enable(pdev, 0);
557 clk_disable(rtc_clk); 540 clk_disable(rtc_clk);