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>
diff --git a/include/linux/msi.h b/include/linux/msi.h
index 9c5ce21..5025ca4 100644
--- a/include/linux/msi.h
+++ b/include/linux/msi.h
@@ -33,7 +33,10 @@
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 */