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-rw-r--r--drivers/ata/ahci.h2
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/ata/ahci.h b/drivers/ata/ahci.h
index 71262e08648e..f4429600e2bf 100644
--- a/drivers/ata/ahci.h
+++ b/drivers/ata/ahci.h
@@ -238,6 +238,8 @@ enum {
AHCI_HFLAG_MULTI_MSI = (1 << 16), /* multiple PCI MSIs */
AHCI_HFLAG_NO_DEVSLP = (1 << 17), /* no device sleep */
AHCI_HFLAG_NO_FBS = (1 << 18), /* no FBS */
+ AHCI_HFLAG_EDGE_IRQ = (1 << 19), /* HOST_IRQ_STAT behaves as
+ Edge Triggered */
/* ap->flags bits */