summaryrefslogtreecommitdiff
path: root/include/linux/msi.h
diff options
context:
space:
mode:
authorMatthew Wilcox <willy@linux.intel.com>2009-03-17 15:54:08 +0300
committerJesse Barnes <jbarnes@virtuousgeek.org>2009-03-20 20:48:13 +0300
commit264d9caaa1c574c0274b019a810abfe957391005 (patch)
tree06ac3d9df11a0e64e2f8571145e8865424fb7dc6 /include/linux/msi.h
parent379f5327a86f7822a51ec7d088a085167724df75 (diff)
downloadlinux-264d9caaa1c574c0274b019a810abfe957391005.tar.xz
PCI MSI: Use mask_pos instead of mask_base when appropriate
MSI interrupts have a mask_pos where MSI-X have a mask_base. Use a transparent union to get rid of some ugly casts. Signed-off-by: Matthew Wilcox <willy@linux.intel.com> Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
Diffstat (limited to 'include/linux/msi.h')
-rw-r--r--include/linux/msi.h5
1 files changed, 4 insertions, 1 deletions
diff --git a/include/linux/msi.h b/include/linux/msi.h
index 9c5ce214fbf4..5025ca4d91e4 100644
--- a/include/linux/msi.h
+++ b/include/linux/msi.h
@@ -33,7 +33,10 @@ struct msi_desc {
unsigned int irq;
struct list_head list;
- void __iomem *mask_base;
+ union {
+ void __iomem *mask_base;
+ u8 mask_pos;
+ };
struct pci_dev *dev;
/* Last set MSI message */