libata-sff: kill dummy BMDMA ops from sata_qstor and pata_octeon_cf

Now that SFF and BMDMA are completely separate, sata_qstor and
pata_octeon_cf which inherit from ata_sff_port_ops don't need to worry
about BMDMA ops being called.  Kill the dummy BMDMA ops.

Signed-off-by: Tejun Heo <tj@kernel.org>
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>

diff --git a/drivers/ata/pata_octeon_cf.c b/drivers/ata/pata_octeon_cf.c
index 3001109352ea516ba80ee4e2520cd84fb5b72886..06ddd91ffeda276f0ec5d0c0cfd2696f308a0cc1 100644 (file)
--- a/drivers/ata/pata_octeon_cf.c
+++ b/drivers/ata/pata_octeon_cf.c
@@ -749,20 +749,6 @@ static void octeon_cf_dev_config(struct ata_device *dev)
        dev->max_sectors = min(dev->max_sectors, 4095U);
 }
 
-/*
- * Trap if driver tries to do standard bmdma commands.  They are not
- * supported.
- */
-static void unreachable_qc(struct ata_queued_cmd *qc)
-{
-       BUG();
-}
-
-static u8 unreachable_port(struct ata_port *ap)
-{
-       BUG();
-}
-
 /*
  * We don't do ATAPI DMA so return 0.
  */
@@ -804,10 +790,6 @@ static struct ata_port_operations octeon_cf_ops = {
        .sff_dev_select         = octeon_cf_dev_select,
        .sff_irq_on             = octeon_cf_irq_on,
        .sff_irq_clear          = octeon_cf_irq_clear,
-       .bmdma_setup            = unreachable_qc,
-       .bmdma_start            = unreachable_qc,
-       .bmdma_stop             = unreachable_qc,
-       .bmdma_status           = unreachable_port,
        .cable_detect           = ata_cable_40wire,
        .set_piomode            = octeon_cf_set_piomode,
        .set_dmamode            = octeon_cf_set_dmamode,

diff --git a/drivers/ata/sata_qstor.c b/drivers/ata/sata_qstor.c
index 0074351d7edffa2fceff4553311af816793379c8..daeebf19a6a90bf84a6b2e60a60d08105b21e917 100644 (file)
--- a/drivers/ata/sata_qstor.c
+++ b/drivers/ata/sata_qstor.c
@@ -120,8 +120,6 @@ static void qs_host_stop(struct ata_host *host);
 static void qs_qc_prep(struct ata_queued_cmd *qc);
 static unsigned int qs_qc_issue(struct ata_queued_cmd *qc);
 static int qs_check_atapi_dma(struct ata_queued_cmd *qc);
-static void qs_bmdma_stop(struct ata_queued_cmd *qc);
-static u8 qs_bmdma_status(struct ata_port *ap);
 static void qs_freeze(struct ata_port *ap);
 static void qs_thaw(struct ata_port *ap);
 static int qs_prereset(struct ata_link *link, unsigned long deadline);
@@ -137,8 +135,6 @@ static struct ata_port_operations qs_ata_ops = {
        .inherits               = &ata_sff_port_ops,
 
        .check_atapi_dma        = qs_check_atapi_dma,
-       .bmdma_stop             = qs_bmdma_stop,
-       .bmdma_status           = qs_bmdma_status,
        .qc_prep                = qs_qc_prep,
        .qc_issue               = qs_qc_issue,
 
@@ -190,16 +186,6 @@ static int qs_check_atapi_dma(struct ata_queued_cmd *qc)
        return 1;       /* ATAPI DMA not supported */
 }
 
-static void qs_bmdma_stop(struct ata_queued_cmd *qc)
-{
-       /* nothing */
-}
-
-static u8 qs_bmdma_status(struct ata_port *ap)
-{
-       return 0;
-}
-
 static inline void qs_enter_reg_mode(struct ata_port *ap)
 {
        u8 __iomem *chan = qs_mmio_base(ap->host) + (ap->port_no * 0x4000);