Module Name:    src
Committed By:   jruoho
Date:           Fri Jul 23 05:32:02 UTC 2010

Modified Files:
        src/sys/dev/acpi: acpi_cpu.c acpi_cpu.h acpi_cpu_cstate.c

Log Message:
Remove the recently added ACPICPU_FLAG_INIT and instead operate with the
existing ACPICPU_FLAG_C, as was intended. Set that flag only after the
idle-loop has been installed, so that the notify handler errors out if an
interrupt is received before the idle-loop is in place.


To generate a diff of this commit:
cvs rdiff -u -r1.4 -r1.5 src/sys/dev/acpi/acpi_cpu.c
cvs rdiff -u -r1.3 -r1.4 src/sys/dev/acpi/acpi_cpu.h
cvs rdiff -u -r1.5 -r1.6 src/sys/dev/acpi/acpi_cpu_cstate.c

Please note that diffs are not public domain; they are subject to the
copyright notices on the relevant files.

Modified files:

Index: src/sys/dev/acpi/acpi_cpu.c
diff -u src/sys/dev/acpi/acpi_cpu.c:1.4 src/sys/dev/acpi/acpi_cpu.c:1.5
--- src/sys/dev/acpi/acpi_cpu.c:1.4	Wed Jul 21 14:59:31 2010
+++ src/sys/dev/acpi/acpi_cpu.c	Fri Jul 23 05:32:02 2010
@@ -1,4 +1,4 @@
-/* $NetBSD: acpi_cpu.c,v 1.4 2010/07/21 14:59:31 cegger Exp $ */
+/* $NetBSD: acpi_cpu.c,v 1.5 2010/07/23 05:32:02 jruoho Exp $ */
 
 /*-
  * Copyright (c) 2010 Jukka Ruohonen <jruoho...@iki.fi>
@@ -27,7 +27,7 @@
  * SUCH DAMAGE.
  */
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: acpi_cpu.c,v 1.4 2010/07/21 14:59:31 cegger Exp $");
+__KERNEL_RCSID(0, "$NetBSD: acpi_cpu.c,v 1.5 2010/07/23 05:32:02 jruoho Exp $");
 
 #include <sys/param.h>
 #include <sys/cpu.h>
@@ -78,6 +78,7 @@
 {
 	struct acpi_attach_args *aa = aux;
 	struct acpicpu_object ao;
+	int rv;
 
 	if (aa->aa_node->ad_type != ACPI_TYPE_PROCESSOR)
 		return 0;
@@ -85,9 +86,11 @@
 	if (acpi_match_hid(aa->aa_node->ad_devinfo, acpicpu_hid) != 0)
 		return 1;
 
-	int rv = acpicpu_object(aa->aa_node->ad_handle, &ao);
-	if (rv == 0 || acpicpu_id(ao.ao_procid) == 0xFFFFFF)
+	rv = acpicpu_object(aa->aa_node->ad_handle, &ao);
+
+	if (rv != 0 || acpicpu_id(ao.ao_procid) == 0xFFFFFF)
 		return 0;
+
 	return 1;
 }
 
@@ -101,7 +104,7 @@
 
 	rv = acpicpu_object(aa->aa_node->ad_handle, &sc->sc_object);
 
-	if (rv == 0)
+	if (rv != 0)
 		return;
 
 	rv = RUN_ONCE(&once_attach, acpicpu_once_attach);
@@ -262,7 +265,7 @@
 	if (buf.Pointer != NULL)
 		ACPI_FREE(buf.Pointer);
 
-	return ACPI_FAILURE(rv) ? 0 : 1;
+	return ACPI_FAILURE(rv) ? 1 : 0;
 }
 
 static cpuid_t
@@ -272,6 +275,7 @@
 	struct cpu_info *ci;
 
 	for (CPU_INFO_FOREACH(cii, ci)) {
+
 		if (id == ci->ci_cpuid)
 			return id;
 	}
@@ -437,9 +441,6 @@
 
 	sc = device_private(self);
 
-	if ((sc->sc_flags & ACPICPU_FLAG_INIT) == 0)
-		return;
-
 	switch (evt) {
 
 	case ACPICPU_C_NOTIFY:

Index: src/sys/dev/acpi/acpi_cpu.h
diff -u src/sys/dev/acpi/acpi_cpu.h:1.3 src/sys/dev/acpi/acpi_cpu.h:1.4
--- src/sys/dev/acpi/acpi_cpu.h:1.3	Mon Jul 19 00:59:32 2010
+++ src/sys/dev/acpi/acpi_cpu.h	Fri Jul 23 05:32:02 2010
@@ -1,4 +1,4 @@
-/* $NetBSD: acpi_cpu.h,v 1.3 2010/07/19 00:59:32 christos Exp $ */
+/* $NetBSD: acpi_cpu.h,v 1.4 2010/07/23 05:32:02 jruoho Exp $ */
 
 /*-
  * Copyright (c) 2010 Jukka Ruohonen <jruoho...@iki.fi>
@@ -86,7 +86,6 @@
 #define ACPICPU_FLAG_C_NOC3	 __BIT(7)
 #define ACPICPU_FLAG_C_MWAIT	 __BIT(8)
 #define ACPICPU_FLAG_C_C1E	 __BIT(9)
-#define ACPICPU_FLAG_INIT	 __BIT(31)
 
 struct acpicpu_cstate {
 	uint64_t		 cs_stat;

Index: src/sys/dev/acpi/acpi_cpu_cstate.c
diff -u src/sys/dev/acpi/acpi_cpu_cstate.c:1.5 src/sys/dev/acpi/acpi_cpu_cstate.c:1.6
--- src/sys/dev/acpi/acpi_cpu_cstate.c:1.5	Mon Jul 19 00:59:32 2010
+++ src/sys/dev/acpi/acpi_cpu_cstate.c	Fri Jul 23 05:32:02 2010
@@ -1,4 +1,4 @@
-/* $NetBSD: acpi_cpu_cstate.c,v 1.5 2010/07/19 00:59:32 christos Exp $ */
+/* $NetBSD: acpi_cpu_cstate.c,v 1.6 2010/07/23 05:32:02 jruoho Exp $ */
 
 /*-
  * Copyright (c) 2010 Jukka Ruohonen <jruoho...@iki.fi>
@@ -27,7 +27,7 @@
  * SUCH DAMAGE.
  */
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: acpi_cpu_cstate.c,v 1.5 2010/07/19 00:59:32 christos Exp $");
+__KERNEL_RCSID(0, "$NetBSD: acpi_cpu_cstate.c,v 1.6 2010/07/23 05:32:02 jruoho Exp $");
 
 #include <sys/param.h>
 #include <sys/cpu.h>
@@ -94,12 +94,12 @@
 	switch (rv) {
 
 	case AE_OK:
-		sc->sc_flags |= ACPICPU_FLAG_C | ACPICPU_FLAG_C_CST;
+		sc->sc_flags |= ACPICPU_FLAG_C_CST;
 		acpicpu_cstate_cst_bios();
 		break;
 
 	default:
-		sc->sc_flags |= ACPICPU_FLAG_C | ACPICPU_FLAG_C_FADT;
+		sc->sc_flags |= ACPICPU_FLAG_C_FADT;
 		acpicpu_cstate_fadt(sc);
 		break;
 	}
@@ -192,9 +192,6 @@
 	static ONCE_DECL(once_save);
 	int rv;
 
-	if ((sc->sc_flags & ACPICPU_FLAG_C) == 0)
-		return 0;
-
 	/*
 	 * Save the existing idle-mechanism and claim the idle_loop(9).
 	 * This should be called after all ACPI CPUs have been attached.
@@ -205,8 +202,10 @@
 		return rv;
 
 	rv = RUN_ONCE(&once_start, acpicpu_md_idle_start);
+
 	if (rv == 0)
-		sc->sc_flags |= ACPICPU_FLAG_INIT;
+		sc->sc_flags |= ACPICPU_FLAG_C;
+
 	return rv;
 }
 

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