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authorMark Maule <maule@sgi.com>2006-04-10 21:17:48 -0500
committerGreg Kroah-Hartman <gregkh@suse.de>2006-06-21 11:59:58 -0700
commitfd58e55fcf5568e51da2ed54d7acd049c3fdb184 (patch)
tree2cf41864d66b8db39f637549d4652c7664256155 /drivers/pci/msi-altix.c
parentc34b4c734482dda750deb6089521f7c891b48736 (diff)
[PATCH] PCI: msi abstractions and support for altix
Abstract portions of the MSI core for platforms that do not use standard APIC interrupt controllers. This is implemented through a new arch-specific msi setup routine, and a set of msi ops which can be set on a per platform basis. Signed-off-by: Mark Maule <maule@sgi.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Diffstat (limited to 'drivers/pci/msi-altix.c')
-rw-r--r--drivers/pci/msi-altix.c18
1 files changed, 18 insertions, 0 deletions
diff --git a/drivers/pci/msi-altix.c b/drivers/pci/msi-altix.c
new file mode 100644
index 000000000000..9bd240602c1e
--- /dev/null
+++ b/drivers/pci/msi-altix.c
@@ -0,0 +1,18 @@
+/*
+ * This file is subject to the terms and conditions of the GNU General Public
+ * License. See the file "COPYING" in the main directory of this archive
+ * for more details.
+ *
+ * Copyright (C) 2006 Silicon Graphics, Inc. All Rights Reserved.
+ */
+
+#include <asm/errno.h>
+
+int
+sn_msi_init(void)
+{
+ /*
+ * return error until MSI is supported on altix platforms
+ */
+ return -EINVAL;
+}