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| author | Arnd Bergmann <arnd@arndb.de> | 2011-11-23 20:47:41 +0000 |
|---|---|---|
| committer | Arnd Bergmann <arnd@arndb.de> | 2011-11-23 20:47:41 +0000 |
| commit | 58a273745fbb2fbd01d26e7a60f0acc8c1d99469 (patch) | |
| tree | bc16200f3b6ea150b298422754e32959eaa339bc /drivers/ata/libata-eh.c | |
| parent | 951c486f62490e032da0ad17e93270b0cfb6687f (diff) | |
| parent | 0116da4fcc1ae8a80d9002441e98768f2a6fa2fe (diff) | |
| download | linux-rt-58a273745fbb2fbd01d26e7a60f0acc8c1d99469.tar.gz | |
Merge branches 'drivers/macb-gem' and 'drivers/pxa-gpio' into next/drivers
Diffstat (limited to 'drivers/ata/libata-eh.c')
| -rw-r--r-- | drivers/ata/libata-eh.c | 12 |
1 files changed, 11 insertions, 1 deletions
diff --git a/drivers/ata/libata-eh.c b/drivers/ata/libata-eh.c index f22957c2769a..a9b282038000 100644 --- a/drivers/ata/libata-eh.c +++ b/drivers/ata/libata-eh.c @@ -2883,7 +2883,7 @@ int ata_eh_reset(struct ata_link *link, int classify, sata_scr_read(link, SCR_STATUS, &sstatus)) rc = -ERESTART; - if (rc == -ERESTART || try >= max_tries) { + if (try >= max_tries) { /* * Thaw host port even if reset failed, so that the port * can be retried on the next phy event. This risks @@ -2909,6 +2909,16 @@ int ata_eh_reset(struct ata_link *link, int classify, ata_eh_acquire(ap); } + /* + * While disks spinup behind PMP, some controllers fail sending SRST. + * They need to be reset - as well as the PMP - before retrying. + */ + if (rc == -ERESTART) { + if (ata_is_host_link(link)) + ata_eh_thaw_port(ap); + goto out; + } + if (try == max_tries - 1) { sata_down_spd_limit(link, 0); if (slave) |