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| author | Linus Torvalds <torvalds@linux-foundation.org> | 2011-11-12 01:55:01 (GMT) |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2011-11-12 01:55:01 (GMT) |
| commit | 87618e0003dbca0f51f1ef52fa4199bd65212f41 (patch) | |
| tree | d814cfe3675352bea6133518b7d93d7052048ece /drivers/ata/libata-eh.c | |
| parent | c1f4246716392ec8693c23cffb969bd73c1b0910 (diff) | |
| parent | 2d5fcc986da944bca8257f358b155eec79fc4120 (diff) | |
| download | linux-fsl-qoriq-87618e0003dbca0f51f1ef52fa4199bd65212f41.tar.xz | |
Merge branch 'upstream-linus' of git://github.com/jgarzik/libata-dev
* 'upstream-linus' of git://github.com/jgarzik/libata-dev:
pata_of_platform: Don't use NO_IRQ
[libata] ahci: Add ASMedia ASM1061 support
[libata] Issue SRST to Sil3726 PMP
sata_sis.c: trivial spelling fix
ahci_platform: use dev_get_platdata()
[libata] libata-scsi.c: Add function parameter documentation
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 f22957c..a9b2820 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) |