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Commit 4c360c81 authored by Tejun Heo's avatar Tejun Heo Committed by Jeff Garzik
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[PATCH] libata: separate out ata_spd_string() 



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

Signed-off-by: default avatarTejun Heo <htejun@gmail.com>
Signed-off-by: default avatarJeff Garzik <jeff@garzik.org>
parent 96072e69

drivers/scsi/libata-core.c

+14 −9
Original line number Diff line number Diff line
@@ -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);