@@ -3731,7 +3731,7 @@ int sata_link_debounce(struct ata_link *link, const unsigned long *params,
unsigned long interval = params[0];
unsigned long duration = params[1];
unsigned long last_jiffies, t;
- u32 last, cur;
+ u32 last, cur, xxx;
int rc;
t = ata_deadline(jiffies, params[2]);
@@ -3740,7 +3740,9 @@ int sata_link_debounce(struct ata_link *link, const unsigned long *params,
if ((rc = sata_scr_read(link, SCR_STATUS, &cur)))
return rc;
+ xxx = cur;
cur &= 0xf;
+ ata_link_printk(link, KERN_INFO, "XXX debounce start, SStatus=%x\n", xxx);
last = cur;
last_jiffies = jiffies;
@@ -3749,6 +3751,7 @@ int sata_link_debounce(struct ata_link *link, const unsigned long *params,
msleep(interval);
if ((rc = sata_scr_read(link, SCR_STATUS, &cur)))
return rc;
+ xxx = cur;
cur &= 0xf;
/* DET stable? */
@@ -3756,8 +3759,12 @@ int sata_link_debounce(struct ata_link *link, const unsigned long *params,
if (cur == 1 && time_before(jiffies, deadline))
continue;
if (time_after(jiffies,
- ata_deadline(last_jiffies, duration)))
+ ata_deadline(last_jiffies, duration))) {
+ ata_link_printk(link, KERN_INFO,
+ "XXX debounce done, SStatus=%x, DET stable for %u msecs\n",
+ xxx, jiffies_to_msecs(jiffies - last_jiffies));
return 0;
+ }
continue;
}