Hi,
VR41xx gettimeoffset is wrong.
This patch changes vr41xx gettimeoffset to fixed rate gettimeoffset.
Please apply this patch to v2.6.
Yoichi
Signed-off-by: Yoichi Yuasa <yuasa@xxxxxxxxxxxxxx>
diff -urN -X dontdiff a-orig/arch/mips/vr41xx/common/rtc.c a/arch/mips/vr41xx/common/rtc.c
--- a-orig/arch/mips/vr41xx/common/rtc.c Thu May 27 02:11:11 2004
+++ a/arch/mips/vr41xx/common/rtc.c Sat Jan 22 22:24:33 2005
@@ -1,7 +1,7 @@
/*
* rtc.c, RTC(has only timer function) routines for NEC VR4100 series.
*
- * Copyright (C) 2003-2004 Yoichi Yuasa <yuasa@xxxxxxxxxxxxxx>
+ * Copyright (C) 2003-2005 Yoichi Yuasa <yuasa@xxxxxxxxxxxxxx>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
@@ -188,7 +188,7 @@
if (cycles_per_sec >= CLOCK_TICK_RATE) {
cycles_per_sec = 0;
- remainder_per_sec = REMAINDER_PER_SEC;
+ remainder_per_sec += REMAINDER_PER_SEC;
}
cycles_per_jiffy = 0;
@@ -219,18 +219,6 @@
return (unsigned int)cur;
}
-static unsigned long vr41xx_gettimeoffset(void)
-{
- uint64_t cur;
- unsigned long gap;
-
- cur = read_elapsedtime_counter();
- gap = (unsigned long)(cur - previous_elapsedtime);
- gap = gap / CYCLES_PER_100USEC * 100; /* usec */
-
- return gap;
-}
-
static unsigned long vr41xx_get_time(void)
{
uint64_t counts;
@@ -293,8 +281,6 @@
static void __init vr41xx_timer_setup(struct irqaction *irq)
{
- do_gettimeoffset = vr41xx_gettimeoffset;
-
remainder_per_sec = REMAINDER_PER_SEC;
cycles_per_jiffy = CYCLES_PER_JIFFY;
