sata_mv ncq Remove post internal cmd op

This driver currently has no need for the .post_internal_cmd op.
So get rid of it, to save unnecessary transitions between EDMA and non-EDMA modes.
Signed-off-by: NMark Lord <mlord@pobox.com>
Signed-off-by: NJeff Garzik <jeff@garzik.org>

drivers/ata/sata_mv.c

@@ -452,7 +452,6 @@ static void mv_qc_prep(struct ata_queued_cmd *qc);
 static void mv_qc_prep_iie(struct ata_queued_cmd *qc);
 static unsigned int mv_qc_issue(struct ata_queued_cmd *qc);
 static void mv_error_handler(struct ata_port *ap);
-static void mv_post_int_cmd(struct ata_queued_cmd *qc);
 static void mv_eh_freeze(struct ata_port *ap);
 static void mv_eh_thaw(struct ata_port *ap);
 static void mv6_dev_config(struct ata_device *dev);
@@ -541,7 +540,6 @@ static const struct ata_port_operations mv5_ops = {
 	.irq_on			= ata_irq_on,
 
 	.error_handler		= mv_error_handler,
-	.post_internal_cmd	= mv_post_int_cmd,
 	.freeze			= mv_eh_freeze,
 	.thaw			= mv_eh_thaw,
 
@@ -570,7 +568,6 @@ static const struct ata_port_operations mv6_ops = {
 	.irq_on			= ata_irq_on,
 
 	.error_handler		= mv_error_handler,
-	.post_internal_cmd	= mv_post_int_cmd,
 	.freeze			= mv_eh_freeze,
 	.thaw			= mv_eh_thaw,
 	.qc_defer		= ata_std_qc_defer,
@@ -599,7 +596,6 @@ static const struct ata_port_operations mv_iie_ops = {
 	.irq_on			= ata_irq_on,
 
 	.error_handler		= mv_error_handler,
-	.post_internal_cmd	= mv_post_int_cmd,
 	.freeze			= mv_eh_freeze,
 	.thaw			= mv_eh_thaw,
 	.qc_defer		= ata_std_qc_defer,
@@ -2424,11 +2420,6 @@ static void mv_error_handler(struct ata_port *ap)
 		  mv_hardreset, mv_postreset);
 }
 
-static void mv_post_int_cmd(struct ata_queued_cmd *qc)
-{
-	mv_stop_dma(qc->ap);
-}
-
 static void mv_eh_freeze(struct ata_port *ap)
 {
 	void __iomem *mmio = ap->host->iomap[MV_PRIMARY_BAR];