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libata: clean up dummy port_ops 

Now that SFF assumptions are removed from core layer, dummy port_ops
can be slimmed down.  Chop it down.

Signed-off-by: Tejun Heo <htejun@gmail.com>
hifive-unleashed-5.1
Tejun Heo 2008-04-07 22:47:21 +09:00 committed by Jeff Garzik
parent c9f75b04ed
commit 182d7bbac3
1 changed files with 6 additions and 18 deletions
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24
drivers/ata/libata-core.c
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@ -6159,32 +6159,20 @@ u32 ata_wait_register(void __iomem *reg, u32 mask, u32 val,
/*
* Dummy port_ops
*/
static void ata_dummy_noret(struct ata_port *ap) { }
static int ata_dummy_ret0(struct ata_port *ap) { return 0; }
static void ata_dummy_qc_noret(struct ata_queued_cmd *qc) { }
static u8 ata_dummy_check_status(struct ata_port *ap)
{
return ATA_DRDY;
}
static unsigned int ata_dummy_qc_issue(struct ata_queued_cmd *qc)
{
return AC_ERR_SYSTEM;
}
static void ata_dummy_error_handler(struct ata_port *ap)
{
/* truly dummy */
}
struct ata_port_operations ata_dummy_port_ops = {
.sff_check_status = ata_dummy_check_status,
.sff_check_altstatus = ata_dummy_check_status,
.qc_prep = ata_noop_qc_prep,
.qc_issue = ata_dummy_qc_issue,
.freeze = ata_dummy_noret,
.thaw = ata_dummy_noret,
.error_handler = ata_dummy_noret,
.post_internal_cmd = ata_dummy_qc_noret,
.sff_irq_clear = ata_dummy_noret,
.port_start = ata_dummy_ret0,
.port_stop = ata_dummy_noret,
.error_handler = ata_dummy_error_handler,
};
const struct ata_port_info ata_dummy_port_info = {