diff options
| -rw-r--r-- | drivers/ata/libata-core.c | 18 | ||||
| -rw-r--r-- | include/linux/libata.h | 11 |
2 files changed, 18 insertions, 11 deletions
diff --git a/drivers/ata/libata-core.c b/drivers/ata/libata-core.c index 49cffb6094a3..134b5df80ace 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 diff --git a/include/linux/libata.h b/include/linux/libata.h index 4fa748e9bc01..242eb2646101 100644 --- a/include/linux/libata.h +++ b/include/linux/libata.h @@ -256,12 +256,13 @@ enum { ATA_TMOUT_INTERNAL_QUICK = 5000, ATA_TMOUT_MAX_PARK = 30000, - /* FIXME: GoVault needs 2s but we can't afford that without - * parallel probing. 800ms is enough for iVDR disk - * HHD424020F7SV00. Increase to 2secs when parallel probing - * is in place. + /* + * GoVault needs 2s and iVDR disk HHD424020F7SV00 800ms. 2s + * is too much without parallel probing. Use 2s if parallel + * probing is available, 800ms otherwise. */ - ATA_TMOUT_FF_WAIT = 800, + ATA_TMOUT_FF_WAIT_LONG = 2000, + ATA_TMOUT_FF_WAIT = 800, /* Spec mandates to wait for ">= 2ms" before checking status * after reset. We wait 150ms, because that was the magic |
