diff options
| author | joerg <joerg@NetBSD.org> | 2008-11-17 23:29:49 +0000 |
|---|---|---|
| committer | joerg <joerg@NetBSD.org> | 2008-11-17 23:29:49 +0000 |
| commit | a5be52d405632098ec6152202de107e5bee5d5b3 (patch) | |
| tree | 3cbd04362c089cb3ee5151fa319005f25252edd5 /sys/dev | |
| parent | c42112239bd7c79c10c80571bd44746ba5a434d9 (diff) | |
On resum-from-RAM explicitly restore PCI link device state before
reenabling interrupts. At least one BIOS doesn't do this automatically
as reported by Christoph Egger.
Diffstat (limited to 'sys/dev')
| -rw-r--r-- | sys/dev/acpi/acpi_pci_link.c | 18 | ||||
| -rw-r--r-- | sys/dev/acpi/acpivar.h | 3 |
2 files changed, 18 insertions, 3 deletions
diff --git a/sys/dev/acpi/acpi_pci_link.c b/sys/dev/acpi/acpi_pci_link.c index 13c1d90a5fa..8331dbf466f 100644 --- a/sys/dev/acpi/acpi_pci_link.c +++ b/sys/dev/acpi/acpi_pci_link.c @@ -1,4 +1,4 @@ -/* $NetBSD: acpi_pci_link.c,v 1.13 2008/06/04 21:37:03 jmcneill Exp $ */ +/* $NetBSD: acpi_pci_link.c,v 1.14 2008/11/17 23:29:49 joerg Exp $ */ /*- * Copyright (c) 2002 Mitsuru IWASAKI <iwasaki@jp.freebsd.org> @@ -27,7 +27,7 @@ */ #include <sys/cdefs.h> -__KERNEL_RCSID(0, "$NetBSD: acpi_pci_link.c,v 1.13 2008/06/04 21:37:03 jmcneill Exp $"); +__KERNEL_RCSID(0, "$NetBSD: acpi_pci_link.c,v 1.14 2008/11/17 23:29:49 joerg Exp $"); #include "opt_acpi.h" #include <sys/param.h> @@ -1156,6 +1156,20 @@ acpi_pci_link_devbyhandle(ACPI_HANDLE handle) return (void *)sc; } +void +acpi_pci_link_resume(void) +{ + struct acpi_pci_link_softc *sc; + ACPI_BUFFER srsbuf; + + TAILQ_FOREACH(sc, &acpi_pci_linkdevs, pl_list) { + ACPI_SERIAL_BEGIN(pci_link); + if (ACPI_SUCCESS(acpi_pci_link_srs(sc, &srsbuf))) + AcpiOsFree(srsbuf.Pointer); + ACPI_SERIAL_END(pci_link); + } +} + ACPI_HANDLE acpi_pci_link_handle(void *v) { diff --git a/sys/dev/acpi/acpivar.h b/sys/dev/acpi/acpivar.h index 8f476f9287b..e9f8becda79 100644 --- a/sys/dev/acpi/acpivar.h +++ b/sys/dev/acpi/acpivar.h @@ -1,4 +1,4 @@ -/* $NetBSD: acpivar.h,v 1.33 2008/07/15 16:15:28 dyoung Exp $ */ +/* $NetBSD: acpivar.h,v 1.34 2008/11/17 23:29:49 joerg Exp $ */ /* * Copyright 2001 Wasabi Systems, Inc. @@ -289,6 +289,7 @@ int acpi_pci_link_route_interrupt(void *, int, int *, int *, int *); char * acpi_pci_link_name(void *); ACPI_HANDLE acpi_pci_link_handle(void *); void acpi_pci_link_state(void); +void acpi_pci_link_resume(void); struct acpi_io *acpi_res_io(struct acpi_resources *, int); struct acpi_iorange *acpi_res_iorange(struct acpi_resources *, int); |
