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authorSuman Tripathi2015-05-05 21:21:11 +0200
committerTejun Heo2015-05-10 17:52:44 +0200
commit5903b1643f41ccc0cb3a0cde1d12b1c942914317 (patch)
tree73de1cbc4f0a63194f8b9ab6d23a327c3c93cc8e /drivers/ata/ahci.h
parentlibahci: Refactoring of ahci_single_irq_intr function. (diff)
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libahci: Add support to handle HOST_IRQ_STAT as edge trigger latch.
This patch adds the support to handle HOST_IRQ_STAT as edge trigger latch. Signed-off-by: Suman Tripathi <stripathi@apm.com> Signed-off-by: Tejun Heo <tj@kernel.org>
Diffstat (limited to 'drivers/ata/ahci.h')
-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 */