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authorYinghai Lu <yinghai@kernel.org>2008-12-06 05:58:34 +0300
committerIngo Molnar <mingo@elte.hu>2008-12-08 16:31:59 +0300
commit3145e941fcfe2548fa2270afb1a05bab3a6bc418 (patch)
tree5bd08b9de84d1be58be040058ac77a4dd8c8d7b2 /include/linux
parentbe5d5350a937cd8513b258739f1099420129e96f (diff)
downloadlinux-3145e941fcfe2548fa2270afb1a05bab3a6bc418.tar.xz
x86, MSI: pass irq_cfg and irq_desc
Impact: simplify code Pass irq_desc and cfg around, instead of raw IRQ numbers - this way we dont have to look it up again and again. Signed-off-by: Yinghai Lu <yinghai@kernel.org> Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'include/linux')
-rw-r--r--include/linux/msi.h3
1 files changed, 3 insertions, 0 deletions
diff --git a/include/linux/msi.h b/include/linux/msi.h
index 8f2939227207..d2b8a1e8ca11 100644
--- a/include/linux/msi.h
+++ b/include/linux/msi.h
@@ -10,8 +10,11 @@ struct msi_msg {
};
/* Helper functions */
+struct irq_desc;
extern void mask_msi_irq(unsigned int irq);
extern void unmask_msi_irq(unsigned int irq);
+extern void read_msi_msg_desc(struct irq_desc *desc, struct msi_msg *msg);
+extern void write_msi_msg_desc(struct irq_desc *desc, struct msi_msg *msg);
extern void read_msi_msg(unsigned int irq, struct msi_msg *msg);
extern void write_msi_msg(unsigned int irq, struct msi_msg *msg);