diff options
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/char/rtc.c | 15 |
1 files changed, 14 insertions, 1 deletions
diff --git a/drivers/char/rtc.c b/drivers/char/rtc.c index 3ac7952fe086..78b151c4d20f 100644 --- a/drivers/char/rtc.c +++ b/drivers/char/rtc.c @@ -110,6 +110,8 @@ static int rtc_has_irq = 1; #define hpet_set_rtc_irq_bit(arg) 0 #define hpet_rtc_timer_init() do { } while (0) #define hpet_rtc_dropped_irq() 0 +#define hpet_register_irq_handler(h) 0 +#define hpet_unregister_irq_handler(h) 0 #ifdef RTC_IRQ static irqreturn_t hpet_rtc_interrupt(int irq, void *dev_id) { @@ -1027,7 +1029,15 @@ no_irq: #ifdef RTC_IRQ if (is_hpet_enabled()) { + int err; + rtc_int_handler_ptr = hpet_rtc_interrupt; + err = hpet_register_irq_handler(rtc_interrupt); + if (err != 0) { + printk(KERN_WARNING "hpet_register_irq_handler failed " + "in rtc_init()."); + return err; + } } else { rtc_int_handler_ptr = rtc_interrupt; } @@ -1050,6 +1060,7 @@ no_irq: if (misc_register(&rtc_dev)) { #ifdef RTC_IRQ free_irq(RTC_IRQ, NULL); + hpet_unregister_irq_handler(rtc_interrupt); rtc_has_irq = 0; #endif rtc_release_region(); @@ -1141,8 +1152,10 @@ static void __exit rtc_exit(void) #else rtc_release_region(); #ifdef RTC_IRQ - if (rtc_has_irq) + if (rtc_has_irq) { free_irq(RTC_IRQ, NULL); + hpet_unregister_irq_handler(hpet_rtc_interrupt); + } #endif #endif /* CONFIG_SPARC32 */ } |