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Diffstat (limited to 'drivers/ata/libata-core.c')
-rw-r--r--drivers/ata/libata-core.c18
1 files changed, 12 insertions, 6 deletions
diff --git a/drivers/ata/libata-core.c b/drivers/ata/libata-core.c
index 49cffb6094a..134b5df80ac 100644
--- a/drivers/ata/libata-core.c
+++ b/drivers/ata/libata-core.c
@@ -3631,9 +3631,15 @@ int ata_wait_ready(struct ata_link *link, unsigned long deadline,
int (*check_ready)(struct ata_link *link))
{
unsigned long start = jiffies;
- unsigned long nodev_deadline = ata_deadline(start, ATA_TMOUT_FF_WAIT);
+ unsigned long nodev_deadline;
int warned = 0;
+ /* choose which 0xff timeout to use, read comment in libata.h */
+ if (link->ap->host->flags & ATA_HOST_PARALLEL_SCAN)
+ nodev_deadline = ata_deadline(start, ATA_TMOUT_FF_WAIT_LONG);
+ else
+ nodev_deadline = ata_deadline(start, ATA_TMOUT_FF_WAIT);
+
/* Slave readiness can't be tested separately from master. On
* M/S emulation configuration, this function should be called
* only on the master and it will handle both master and slave.
@@ -3651,12 +3657,12 @@ int ata_wait_ready(struct ata_link *link, unsigned long deadline,
if (ready > 0)
return 0;
- /* -ENODEV could be transient. Ignore -ENODEV if link
+ /*
+ * -ENODEV could be transient. Ignore -ENODEV if link
* is online. Also, some SATA devices take a long
- * time to clear 0xff after reset. For example,
- * HHD424020F7SV00 iVDR needs >= 800ms while Quantum
- * GoVault needs even more than that. Wait for
- * ATA_TMOUT_FF_WAIT on -ENODEV if link isn't offline.
+ * time to clear 0xff after reset. Wait for
+ * ATA_TMOUT_FF_WAIT[_LONG] on -ENODEV if link isn't
+ * offline.
*
* Note that some PATA controllers (pata_ali) explode
* if status register is read more than once when