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authorYinghai Lu <Yinghai.Lu@Sun.COM>2008-02-05 00:01:48 -0800
committerGreg Kroah-Hartman <gregkh@suse.de>2008-02-21 15:34:37 -0800
commit6e4be1ff2e767fc3a34c5e8d67c3cba107c02099 (patch)
tree130e3072bae0b579b0afd4f370cc605a2001fafb /drivers/pci
parent9dc625e72309e1c919ea3e7f51d0ffca96123787 (diff)
PCI: don't load acpi_php when acpi is disabled
When acpi=off and pci=nomsi, don't load acpiphp. Fixes this: pci_hotplug: PCI Hot Plug PCI Core version: 0.5 acpiphp: ACPI Hot Plug PCI Controller Driver version: 0.5 ACPI Exception (utmutex-0263): AE_BAD_PARAMETER, Thread FFFF81103CC54000 could not acquire Mutex [1] [20070126] [akpm@linux-foundation.org: export acpi_pci_disabled for acpiphp.ko] [akpm@linux-foundation.org: fix return statement] Signed-off-by: Yinghai Lu <yinghai.lu@sun.com> Cc: Kristen Carlson Accardi <kristen.c.accardi@intel.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Diffstat (limited to 'drivers/pci')
-rw-r--r--drivers/pci/hotplug/acpiphp_core.c6
1 files changed, 6 insertions, 0 deletions
diff --git a/drivers/pci/hotplug/acpiphp_core.c b/drivers/pci/hotplug/acpiphp_core.c
index c8c263875c2..9279d5ba62e 100644
--- a/drivers/pci/hotplug/acpiphp_core.c
+++ b/drivers/pci/hotplug/acpiphp_core.c
@@ -392,6 +392,9 @@ static int __init acpiphp_init(void)
{
info(DRIVER_DESC " version: " DRIVER_VERSION "\n");
+ if (acpi_pci_disabled)
+ return 0;
+
acpiphp_debug = debug;
/* read all the ACPI info from the system */
@@ -401,6 +404,9 @@ static int __init acpiphp_init(void)
static void __exit acpiphp_exit(void)
{
+ if (acpi_pci_disabled)
+ return;
+
/* deallocate internal data structures etc. */
acpiphp_glue_exit();
}