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This commit is contained in:
jruoho 2011-03-17 15:32:18 +00:00
parent 2337f22d7b
commit c79df2b59e
1 changed files with 7 additions and 2 deletions
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9
sys/dev/acpi/acpi_cpu_cstate.c
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@ -1,4 +1,4 @@
/* $NetBSD: acpi_cpu_cstate.c,v 1.50 2011/03/04 09:28:34 jruoho Exp $ */
/* $NetBSD: acpi_cpu_cstate.c,v 1.51 2011/03/17 15:32:18 jruoho Exp $ */
/*-
* Copyright (c) 2010, 2011 Jukka Ruohonen <jruohonen@iki.fi>
@ -27,7 +27,7 @@
* SUCH DAMAGE.
*/
#include <sys/cdefs.h>
__KERNEL_RCSID(0, "$NetBSD: acpi_cpu_cstate.c,v 1.50 2011/03/04 09:28:34 jruoho Exp $");
__KERNEL_RCSID(0, "$NetBSD: acpi_cpu_cstate.c,v 1.51 2011/03/17 15:32:18 jruoho Exp $");
#include <sys/param.h>
#include <sys/cpu.h>
@ -345,6 +345,11 @@ acpicpu_cstate_cst_add(struct acpicpu_softc *sc, ACPI_OBJECT *elm, int i)
case ACPI_STATE_C1:
/*
* If ACPI wants native access (FFH), but the
* MD code does not support MONITOR/MWAIT, use
* HLT for C1 and error out for higher C-states.
*/
if ((sc->sc_flags & ACPICPU_FLAG_C_FFH) == 0)
state.cs_method = ACPICPU_C_STATE_HALT;