libata: kill ata_noop_dev_select()

Now that SFF assumptions are separated out from non-SFF reset
sequence, port_ops->sff_dev_select() is no longer necessary for
non-SFF controllers.  Kill ata_noop_dev_select() and ->sff_dev_select
initialization from base and other non-SFF port_ops.

Signed-off-by: Tejun Heo <htejun@gmail.com>

4 files changed, 0 insertions, 22 deletions

diff --git a/drivers/ata/libata-core.c b/drivers/ata/libata-core.c
index e8598eeeec39..f23f50af551c 100644
--- a/drivers/ata/libata-core.c
+++ b/drivers/ata/libata-core.c
@@ -84,7 +84,6 @@ const struct ata_port_operations sata_port_ops = {
 
         .qc_defer               = ata_std_qc_defer,
         .hardreset              = sata_std_hardreset,
-        .sff_dev_select         = ata_noop_dev_select,
 };
 
 const struct ata_port_operations sata_pmp_port_ops = {
@@ -1432,22 +1431,6 @@ static int ata_hpa_resize(struct ata_device *dev)
 }
 
 /**
- *      ata_noop_dev_select - Select device 0/1 on ATA bus
- *      @ap: ATA channel to manipulate
- *      @device: ATA device (numbered from zero) to select
- *
- *      This function performs no actual function.
- *
- *      May be used as the dev_select() entry in ata_port_operations.
- *
- *      LOCKING:
- *      caller.
- */
-void ata_noop_dev_select(struct ata_port *ap, unsigned int device)
-{
-}
-
-/**
  *      ata_dump_id - IDENTIFY DEVICE info debugging output
  *      @id: IDENTIFY DEVICE page to dump
  *
@@ -6193,7 +6176,6 @@ static unsigned int ata_dummy_qc_issue(struct ata_queued_cmd *qc)
 struct ata_port_operations ata_dummy_port_ops = {
         .sff_check_status       = ata_dummy_check_status,
         .sff_check_altstatus    = ata_dummy_check_status,
-        .sff_dev_select         = ata_noop_dev_select,
         .qc_prep                = ata_noop_qc_prep,
         .qc_issue               = ata_dummy_qc_issue,
         .freeze                 = ata_dummy_noret,
@@ -6234,7 +6216,6 @@ EXPORT_SYMBOL_GPL(ata_host_detach);
 EXPORT_SYMBOL_GPL(ata_sg_init);
 EXPORT_SYMBOL_GPL(ata_qc_complete);
 EXPORT_SYMBOL_GPL(ata_qc_complete_multiple);
-EXPORT_SYMBOL_GPL(ata_noop_dev_select);
 EXPORT_SYMBOL_GPL(sata_print_link_status);
 EXPORT_SYMBOL_GPL(atapi_cmd_type);
 EXPORT_SYMBOL_GPL(ata_tf_to_fis);
diff --git a/drivers/scsi/ipr.c b/drivers/scsi/ipr.c
index 5a95ea7c4dba..65dc18dea845 100644
--- a/drivers/scsi/ipr.c
+++ b/drivers/scsi/ipr.c
@@ -5247,7 +5247,6 @@ static bool ipr_qc_fill_rtf(struct ata_queued_cmd *qc)
 }
 
 static struct ata_port_operations ipr_sata_ops = {
-        .sff_dev_select = ata_noop_dev_select,
         .phy_reset = ipr_ata_phy_reset,
         .hardreset = ipr_sata_reset,
         .post_internal_cmd = ipr_ata_post_internal,
diff --git a/drivers/scsi/libsas/sas_ata.c b/drivers/scsi/libsas/sas_ata.c
index 5c114bb7e907..a4811e4106df 100644
--- a/drivers/scsi/libsas/sas_ata.c
+++ b/drivers/scsi/libsas/sas_ata.c
@@ -344,7 +344,6 @@ static int sas_ata_scr_read(struct ata_port *ap, unsigned int sc_reg_in,
 }
 
 static struct ata_port_operations sas_sata_ops = {
-        .sff_dev_select         = ata_noop_dev_select,
         .phy_reset              = sas_ata_phy_reset,
         .post_internal_cmd      = sas_ata_post_internal,
         .qc_prep                = ata_noop_qc_prep,
diff --git a/include/linux/libata.h b/include/linux/libata.h
index 1d8b6b7de0a2..037db1883bae 100644
--- a/include/linux/libata.h
+++ b/include/linux/libata.h
@@ -911,7 +911,6 @@ extern unsigned long ata_xfer_mode2mask(u8 xfer_mode);
 extern int ata_xfer_mode2shift(unsigned long xfer_mode);
 extern const char *ata_mode_string(unsigned long xfer_mask);
 extern unsigned long ata_id_xfermask(const u16 *id);
-extern void ata_noop_dev_select(struct ata_port *ap, unsigned int device);
 extern int ata_port_start(struct ata_port *ap);
 extern int ata_std_qc_defer(struct ata_queued_cmd *qc);
 extern void ata_noop_qc_prep(struct ata_queued_cmd *qc);