Remove RTC UIP synchronization on Sparc64
Signed-off-by: Matt Mackall <[email protected]>
Index: rtc/arch/sparc64/kernel/time.c
===================================================================
--- rtc.orig/arch/sparc64/kernel/time.c 2006-03-16 16:48:37.000000000 -0600
+++ rtc/arch/sparc64/kernel/time.c 2006-03-17 11:51:53.000000000 -0600
@@ -632,23 +632,8 @@ static void __init set_system_time(void)
mon = MSTK_REG_MONTH(mregs);
year = MSTK_CVT_YEAR( MSTK_REG_YEAR(mregs) );
} else {
- int i;
-
/* Dallas 12887 RTC chip. */
- /* Stolen from arch/i386/kernel/time.c, see there for
- * credits and descriptive comments.
- */
- for (i = 0; i < 1000000; i++) {
- if (CMOS_READ(RTC_FREQ_SELECT) & RTC_UIP)
- break;
- udelay(10);
- }
- for (i = 0; i < 1000000; i++) {
- if (!(CMOS_READ(RTC_FREQ_SELECT) & RTC_UIP))
- break;
- udelay(10);
- }
do {
sec = CMOS_READ(RTC_SECONDS);
min = CMOS_READ(RTC_MINUTES);
@@ -657,6 +642,7 @@ static void __init set_system_time(void)
mon = CMOS_READ(RTC_MONTH);
year = CMOS_READ(RTC_YEAR);
} while (sec != CMOS_READ(RTC_SECONDS));
+
if (!(CMOS_READ(RTC_CONTROL) & RTC_DM_BINARY) || RTC_ALWAYS_BCD) {
BCD_TO_BIN(sec);
BCD_TO_BIN(min);
-
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