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[PATCH] libata: separate out ata_spd_string()

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Separate out ata_spd_string() from sata_print_link_status().  This
will be used by SATA spd configuration routines.

Signed-off-by: Tejun Heo <htejun@gmail.com>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
This commit is contained in:
Tejun Heo 2006-04-01 01:38:17 +09:00 committed by Jeff Garzik
parent 96072e699b
commit 4c360c81a6
1 changed files with 14 additions and 9 deletions
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23
drivers/scsi/libata-core.c
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@ -397,6 +397,18 @@ static const char *ata_mode_string(unsigned int xfer_mask)
return "<n/a>";
}
static const char *sata_spd_string(unsigned int spd)
{
static const char * const spd_str[] = {
"1.5 Gbps",
"3.0 Gbps",
};
if (spd == 0 || (spd - 1) >= ARRAY_SIZE(spd_str))
return "<unknown>";
return spd_str[spd - 1];
}
static void ata_dev_disable(struct ata_port *ap, struct ata_device *dev)
{
if (ata_dev_present(dev)) {
@ -1452,7 +1464,6 @@ void ata_port_probe(struct ata_port *ap)
static void sata_print_link_status(struct ata_port *ap)
{
u32 sstatus, tmp;
const char *speed;
if (!ap->ops->scr_read)
return;
@ -1461,14 +1472,8 @@ static void sata_print_link_status(struct ata_port *ap)
if (sata_dev_present(ap)) {
tmp = (sstatus >> 4) & 0xf;
if (tmp & (1 << 0))
speed = "1.5";
else if (tmp & (1 << 1))
speed = "3.0";
else
speed = "<unknown>";
printk(KERN_INFO "ata%u: SATA link up %s Gbps (SStatus %X)\n",
ap->id, speed, sstatus);
printk(KERN_INFO "ata%u: SATA link up %s (SStatus %X)\n",
ap->id, sata_spd_string(tmp), sstatus);
} else {
printk(KERN_INFO "ata%u: SATA link down (SStatus %X)\n",
ap->id, sstatus);