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[PATCH] ahci: kill AHCI_FLAG_RESET_NEEDS_CLO 

Now that ahci_softreset() is fixed to automatically perform CLO if
BSY/DRQ is set on entry, AHCI_FLAG_RESET_NEEDS_CLO is redundant.  Kill
it.

Signed-off-by: Tejun Heo <htejun@gmail.com>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
This commit is contained in:
Tejun Heo 2006-11-01 17:58:33 +09:00 committed by Jeff Garzik
parent c0c559083a
commit 4aeb0e3283
1 changed files with 4 additions and 17 deletions
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21
drivers/ata/ahci.c
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@ -167,9 +167,8 @@ enum {
AHCI_FLAG_MSI = (1 << 0),
/* ap->flags bits */
AHCI_FLAG_RESET_NEEDS_CLO = (1 << 24),
AHCI_FLAG_NO_NCQ = (1 << 25),
AHCI_FLAG_IGN_IRQ_IF_ERR = (1 << 26), /* ignore IRQ_IF_ERR */
AHCI_FLAG_NO_NCQ = (1 << 24),
AHCI_FLAG_IGN_IRQ_IF_ERR = (1 << 25), /* ignore IRQ_IF_ERR */
};
struct ahci_cmd_hdr {
@ -291,8 +290,7 @@ static const struct ata_port_info ahci_port_info[] = {
.sht = &ahci_sht,
.flags = ATA_FLAG_SATA | ATA_FLAG_NO_LEGACY |
ATA_FLAG_MMIO | ATA_FLAG_PIO_DMA |
ATA_FLAG_SKIP_D2H_BSY |
AHCI_FLAG_RESET_NEEDS_CLO | AHCI_FLAG_NO_NCQ,
ATA_FLAG_SKIP_D2H_BSY | AHCI_FLAG_NO_NCQ,
.pio_mask = 0x1f, /* pio0-4 */
.udma_mask = 0x7f, /* udma0-6 ; FIXME */
.port_ops = &ahci_ops,
@ -729,17 +727,6 @@ static int ahci_clo(struct ata_port *ap)
return 0;
}
static int ahci_prereset(struct ata_port *ap)
{
if ((ap->flags & AHCI_FLAG_RESET_NEEDS_CLO) &&
(ata_busy_wait(ap, ATA_BUSY, 1000) & ATA_BUSY)) {
/* ATA_BUSY hasn't cleared, so send a CLO */
ahci_clo(ap);
}
return ata_std_prereset(ap);
}
static int ahci_softreset(struct ata_port *ap, unsigned int *class)
{
struct ahci_port_priv *pp = ap->private_data;
@ -1196,7 +1183,7 @@ static void ahci_error_handler(struct ata_port *ap)
}
/* perform recovery */
ata_do_eh(ap, ahci_prereset, ahci_softreset, ahci_hardreset,
ata_do_eh(ap, ata_std_prereset, ahci_softreset, ahci_hardreset,
ahci_postreset);
}