diff --git a/[refs] b/[refs]
index b50397bd3551..df10e6b829cf 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 31a34fe75906ba5f61606eaed01da313f29ca4b1
+refs/heads/master: 957d2df1801865eb1e63864bc63b970aa9c460ba
diff --git a/trunk/include/linux/libata.h b/trunk/include/linux/libata.h
index 25a6bf181599..9c60b4a4e2fd 100644
--- a/trunk/include/linux/libata.h
+++ b/trunk/include/linux/libata.h
@@ -149,7 +149,6 @@ enum {
 	ATA_FLAG_NO_ATAPI	= (1 << 6), /* No ATAPI support */
 	ATA_FLAG_PIO_DMA	= (1 << 7), /* PIO cmds via DMA */
 	ATA_FLAG_PIO_LBA48	= (1 << 8), /* Host DMA engine is LBA28 only */
-	ATA_FLAG_IRQ_MASK	= (1 << 9), /* Mask IRQ in PIO xfers */
 	ATA_FLAG_PIO_POLLING	= (1 << 10), /* use polling PIO if LLD
 					      * doesn't handle PIO interrupts */
 	ATA_FLAG_NCQ		= (1 << 11), /* host supports NCQ */