offset_delay = delta % (USEC_PER_SEC / HZ);
rdtscll(tsc);
- vxtime.last_tsc = tsc - offset_delay * cpu_khz;
+ vxtime.last_tsc = tsc - offset_delay * (u64)cpu_khz / 1000;
/* don't calculate delay for first run,
or if we've got less then a tick */
return lost - 1;
}
+static unsigned pmtimer_wait_tick(void)
+{
+ u32 a, b;
+ for (a = b = inl(pmtmr_ioport) & ACPI_PM_MASK;
+ a == b;
+ b = inl(pmtmr_ioport) & ACPI_PM_MASK)
+ cpu_relax();
+ return b;
+}
+
+/* note: wait time is rounded up to one tick */
+void pmtimer_wait(unsigned us)
+{
+ u32 a, b;
+ a = pmtimer_wait_tick();
+ do {
+ b = inl(pmtmr_ioport);
+ cpu_relax();
+ } while (cyc2us(b - a) < us);
+}
+
+void pmtimer_resume(void)
+{
+ last_pmtmr_tick = inl(pmtmr_ioport);
+}
+
unsigned int do_gettimeoffset_pm(void)
{
u32 now, offset, delta = 0;
static int __init nopmtimer_setup(char *s)
{
pmtmr_ioport = 0;
- return 0;
+ return 1;
}
__setup("nopmtimer", nopmtimer_setup);