diff options
Diffstat (limited to 'drivers/char/rtc.c')
| -rw-r--r-- | drivers/char/rtc.c | 12 |
1 files changed, 7 insertions, 5 deletions
diff --git a/drivers/char/rtc.c b/drivers/char/rtc.c index d8f9e94ae475..63fff7c1244a 100644 --- a/drivers/char/rtc.c +++ b/drivers/char/rtc.c @@ -938,10 +938,9 @@ found: /* * XXX Interrupt pin #7 in Espresso is shared between RTC and - * PCI Slot 2 INTA# (and some INTx# in Slot 1). SA_INTERRUPT here - * is asking for trouble with add-on boards. Change to SA_SHIRQ. + * PCI Slot 2 INTA# (and some INTx# in Slot 1). */ - if (request_irq(rtc_irq, rtc_interrupt, SA_INTERRUPT, "rtc", (void *)&rtc_port)) { + if (request_irq(rtc_irq, rtc_interrupt, SA_SHIRQ, "rtc", (void *)&rtc_port)) { /* * Standard way for sparc to print irq's is to use * __irq_itoa(). I think for EBus it's ok to use %d. @@ -1209,6 +1208,7 @@ static int rtc_proc_open(struct inode *inode, struct file *file) void rtc_get_rtc_time(struct rtc_time *rtc_tm) { + unsigned long uip_watchdog = jiffies; unsigned char ctrl; #ifdef CONFIG_MACH_DECSTATION unsigned int real_year; @@ -1224,8 +1224,10 @@ void rtc_get_rtc_time(struct rtc_time *rtc_tm) * Once the read clears, read the RTC time (again via ioctl). Easy. */ - if (rtc_is_updating() != 0) - msleep(20); + while (rtc_is_updating() != 0 && jiffies - uip_watchdog < 2*HZ/100) { + barrier(); + cpu_relax(); + } /* * Only the values that we read from the RTC are set. We leave |