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authorMatt Mackall <mpm@selenic.com>2006-03-28 04:56:01 -0500
committerLinus Torvalds <torvalds@g5.osdl.org>2006-03-28 12:16:00 -0500
commit3dedf53bb16e27743e5d1f49dbfecf3e5897befa (patch)
tree1833a6f7eca38558a4bca0efea079041fadb6222 /arch/sparc64/kernel/time.c
parent641f71f5f6ed251959ef8f88b1d0edc6ef7a4632 (diff)
[PATCH] RTC: Remove RTC UIP synchronization on Sparc64
Signed-off-by: Matt Mackall <mpm@selenic.com> Cc: "David S. Miller" <davem@davemloft.net> Cc: Alessandro Zummo <a.zummo@towertech.it> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Diffstat (limited to 'arch/sparc64/kernel/time.c')
-rw-r--r--arch/sparc64/kernel/time.c16
1 files changed, 1 insertions, 15 deletions
diff --git a/arch/sparc64/kernel/time.c b/arch/sparc64/kernel/time.c
index 7d61f1bfd3d3..e55b5c6ece02 100644
--- a/arch/sparc64/kernel/time.c
+++ b/arch/sparc64/kernel/time.c
@@ -641,23 +641,8 @@ static void __init set_system_time(void)
641 mon = MSTK_REG_MONTH(mregs); 641 mon = MSTK_REG_MONTH(mregs);
642 year = MSTK_CVT_YEAR( MSTK_REG_YEAR(mregs) ); 642 year = MSTK_CVT_YEAR( MSTK_REG_YEAR(mregs) );
643 } else { 643 } else {
644 int i;
645
646 /* Dallas 12887 RTC chip. */ 644 /* Dallas 12887 RTC chip. */
647 645
648 /* Stolen from arch/i386/kernel/time.c, see there for
649 * credits and descriptive comments.
650 */
651 for (i = 0; i < 1000000; i++) {
652 if (CMOS_READ(RTC_FREQ_SELECT) & RTC_UIP)
653 break;
654 udelay(10);
655 }
656 for (i = 0; i < 1000000; i++) {
657 if (!(CMOS_READ(RTC_FREQ_SELECT) & RTC_UIP))
658 break;
659 udelay(10);
660 }
661 do { 646 do {
662 sec = CMOS_READ(RTC_SECONDS); 647 sec = CMOS_READ(RTC_SECONDS);
663 min = CMOS_READ(RTC_MINUTES); 648 min = CMOS_READ(RTC_MINUTES);
@@ -666,6 +651,7 @@ static void __init set_system_time(void)
666 mon = CMOS_READ(RTC_MONTH); 651 mon = CMOS_READ(RTC_MONTH);
667 year = CMOS_READ(RTC_YEAR); 652 year = CMOS_READ(RTC_YEAR);
668 } while (sec != CMOS_READ(RTC_SECONDS)); 653 } while (sec != CMOS_READ(RTC_SECONDS));
654
669 if (!(CMOS_READ(RTC_CONTROL) & RTC_DM_BINARY) || RTC_ALWAYS_BCD) { 655 if (!(CMOS_READ(RTC_CONTROL) & RTC_DM_BINARY) || RTC_ALWAYS_BCD) {
670 BCD_TO_BIN(sec); 656 BCD_TO_BIN(sec);
671 BCD_TO_BIN(min); 657 BCD_TO_BIN(min);