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libata: kill ata_noop_dev_select()

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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>
This commit is contained in:
Tejun Heo 2008-04-07 22:47:21 +09:00 committed by Jeff Garzik
parent 520d06f92b
commit c9f75b04ed
4 changed files with 0 additions and 22 deletions
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19
drivers/ata/libata-core.c
View file

@ -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 = {
@ -1431,22 +1430,6 @@ static int ata_hpa_resize(struct ata_device *dev)
return 0;
}
/**
* 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);

1
drivers/scsi/ipr.c
View file

@ -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,

1
drivers/scsi/libsas/sas_ata.c
View file

@ -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,

1
include/linux/libata.h
View file

@ -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);