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ahci: separate out ahci_do_softreset() 

Separate out ahci_do_softreset() which takes @pmp as its last
argument.  This will be used to implement ahci_pmp_softreset().

Signed-off-by: Tejun Heo <htejun@gmail.com>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
This commit is contained in:
Tejun Heo 2007-07-16 14:29:39 +09:00 committed by Jeff Garzik
parent 91c4a2e092
commit a9cf5e8581
1 changed files with 10 additions and 4 deletions
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14
drivers/ata/ahci.c
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@ -1023,8 +1023,8 @@ static int ahci_exec_polled_cmd(struct ata_port *ap, int pmp,
return 0;
}
static int ahci_softreset(struct ata_port *ap, unsigned int *class,
unsigned long deadline)
static int ahci_do_softreset(struct ata_port *ap, unsigned int *class,
int pmp, unsigned long deadline)
{
const char *reason = NULL;
unsigned long now, msecs;
@ -1054,7 +1054,7 @@ static int ahci_softreset(struct ata_port *ap, unsigned int *class,
msecs = jiffies_to_msecs(deadline - now);
tf.ctl |= ATA_SRST;
if (ahci_exec_polled_cmd(ap, 0, &tf, 0,
if (ahci_exec_polled_cmd(ap, pmp, &tf, 0,
AHCI_CMD_RESET | AHCI_CMD_CLR_BUSY, msecs)) {
rc = -EIO;
reason = "1st FIS failed";
@ -1066,7 +1066,7 @@ static int ahci_softreset(struct ata_port *ap, unsigned int *class,
/* issue the second D2H Register FIS */
tf.ctl &= ~ATA_SRST;
ahci_exec_polled_cmd(ap, 0, &tf, 0, 0, 0);
ahci_exec_polled_cmd(ap, pmp, &tf, 0, 0, 0);
/* spec mandates ">= 2ms" before checking status.
* We wait 150ms, because that was the magic delay used for
@ -1094,6 +1094,12 @@ static int ahci_softreset(struct ata_port *ap, unsigned int *class,
return rc;
}
static int ahci_softreset(struct ata_port *ap, unsigned int *class,
unsigned long deadline)
{
return ahci_do_softreset(ap, class, 0, deadline);
}
static int ahci_hardreset(struct ata_port *ap, unsigned int *class,
unsigned long deadline)
{