From 4c360c81a6f8d4253f7fc2e69852305676fdfa72 Mon Sep 17 00:00:00 2001 From: Tejun Heo Date: Sat, 1 Apr 2006 01:38:17 +0900 Subject: [PATCH] [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: Tejun Heo Signed-off-by: Jeff Garzik --- drivers/scsi/libata-core.c | 23 ++++++++++++++--------- 1 file changed, 14 insertions(+), 9 deletions(-) diff --git a/drivers/scsi/libata-core.c b/drivers/scsi/libata-core.c index c7ba523fb1eb..6a336babf88b 100644 --- a/drivers/scsi/libata-core.c +++ b/drivers/scsi/libata-core.c @@ -397,6 +397,18 @@ static const char *ata_mode_string(unsigned int xfer_mask) return ""; } +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 ""; + 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 = ""; - 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);