diff options
| author | Greg Kroah-Hartman <gregkh@suse.de> | 2011-11-26 20:07:25 -0800 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@suse.de> | 2011-11-26 20:07:25 -0800 |
| commit | dd7c7c3f69291baa488b8a50db683d5fbf44166a (patch) | |
| tree | 925bf294f30dffaa67a983c3859926ff53937e14 /drivers/ata/libata-eh.c | |
| parent | 161e773cbd0c3d1b5b8cc00602e1f72de61ed4f7 (diff) | |
| parent | caca6a03d365883564885f2c1da3e88dcf65d139 (diff) | |
Merge 3.2-rc3 into tty-next to handle merge conflict in tty_ldisc.c
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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) |