i386 could do something similiar but it currently sets up
update_cpuspeed callbacks early and one of these is called from piixpcib...
This will hopefully reduce the number of people claiming
their processor is in some way not working because of a printf
in the bus clock code.
Index: est.c
===================================================================
RCS file: /cvs/src/sys/arch/amd64/amd64/est.c,v
retrieving revision 1.27
diff -u -p -r1.27 est.c
--- est.c 19 Mar 2012 00:49:08 -0000 1.27
+++ est.c 19 Mar 2012 01:15:27 -0000
@@ -341,10 +341,14 @@ est_init(struct cpu_info *ci)
#if NACPICPU > 0
est_fqlist = est_acpi_init();
#endif
- if (ci->ci_family == 0xf) {
- p4_get_bus_clock(ci);
- } else if (ci->ci_family == 6) {
- p3_get_bus_clock(ci);
+
+ /* bus_clock is only used if we can't get values from ACPI */
+ if (est_fqlist == NULL) {
+ if (ci->ci_family == 0xf) {
+ p4_get_bus_clock(ci);
+ } else if (ci->ci_family == 6) {
+ p3_get_bus_clock(ci);
+ }
}
/*
