The rtc_ds1742_wait() waits beginning of a next ODD second, though
users of this function expect that it will wait beginning of a next
second. Here is a patch.
diff -u drivers/char/ds1742.c.org drivers/char/ds1742.c
--- drivers/char/ds1742.c.org Tue Nov 4 16:57:38 2003
+++ drivers/char/ds1742.c Thu Nov 20 10:06:05 2003
@@ -251,8 +251,8 @@
void rtc_ds1742_wait(void)
{
- while (CMOS_READ(RTC_SECONDS) & 1);
- while (!(CMOS_READ(RTC_SECONDS) & 1));
+ unsigned char sec = CMOS_READ(RTC_SECONDS);
+ while (!((sec ^ CMOS_READ(RTC_SECONDS)) & 1));
}
static int ds1742_ioctl(struct inode *inode, struct file *file,
---
Atsushi Nemoto
