[src/trunk]: src/sys/dev/acpi Initialize P-states to P0 (i.e. the highest fre...

[jruoho <jruoho%NetBSD.org@localhost>]

details:   https://anonhg.NetBSD.org/src/rev/f8981ffc0681
branches:  trunk
changeset: 770525:f8981ffc0681
user:      jruoho <jruoho%NetBSD.org@localhost>
date:      Thu Oct 20 06:57:23 2011 +0000

description:
Initialize P-states to P0 (i.e. the highest frequency).

diffstat:

 sys/dev/acpi/acpi_cpu.c |  22 +++++++++++-----------
 1 files changed, 11 insertions(+), 11 deletions(-)

diffs (59 lines):

diff -r 049cee824f48 -r f8981ffc0681 sys/dev/acpi/acpi_cpu.c
--- a/sys/dev/acpi/acpi_cpu.c   Thu Oct 20 06:48:24 2011 +0000
+++ b/sys/dev/acpi/acpi_cpu.c   Thu Oct 20 06:57:23 2011 +0000
@@ -1,4 +1,4 @@
-/* $NetBSD: acpi_cpu.c,v 1.45 2011/10/18 05:08:24 jruoho Exp $ */
+/* $NetBSD: acpi_cpu.c,v 1.46 2011/10/20 06:57:23 jruoho Exp $ */
 
 /*-
  * Copyright (c) 2010, 2011 Jukka Ruohonen <jruohonen%iki.fi@localhost>
@@ -27,7 +27,7 @@
  * SUCH DAMAGE.
  */
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: acpi_cpu.c,v 1.45 2011/10/18 05:08:24 jruoho Exp $");
+__KERNEL_RCSID(0, "$NetBSD: acpi_cpu.c,v 1.46 2011/10/20 06:57:23 jruoho Exp $");
 
 #include <sys/param.h>
 #include <sys/cpu.h>
@@ -249,24 +249,18 @@
 static int
 acpicpu_once_detach(void)
 {
-       struct cpu_info *ci = curcpu();
        struct acpicpu_softc *sc;
 
        if (acpicpu_count != 0)
                return EDEADLK;
 
+       cpufreq_deregister();
+
        if (acpicpu_log != NULL)
                sysctl_teardown(&acpicpu_log);
 
-       if (acpicpu_sc != NULL) {
-
-               sc = acpicpu_sc[ci->ci_acpiid];
-
-               if ((sc->sc_flags & ACPICPU_FLAG_P) != 0)
-                       cpufreq_deregister();
-
+       if (acpicpu_sc != NULL)
                kmem_free(acpicpu_sc, maxcpus * sizeof(*sc));
-       }
 
        return 0;
 }
@@ -333,6 +327,12 @@
 
                if (cpufreq_register(&cf) != 0)
                        aprint_error_dev(self, "failed to register cpufreq\n");
+               else {
+                       /*
+                        * Initialize the states to P0.
+                        */
+                       cpufreq_set_all(sc->sc_pstate[0].ps_freq);
+               }
        }
 }