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| author | Dave Airlie <airlied@redhat.com> | 2011-12-20 15:43:53 +0100 |
|---|---|---|
| committer | Dave Airlie <airlied@redhat.com> | 2011-12-20 15:43:53 +0100 |
| commit | 1fbe6f625f69e48c4001051dc1431afc704acfaa (patch) | |
| tree | 826b741201a2e09a627ed350c6ff36935f5cff79 /drivers/ata/libata-eh.c | |
| parent | gma500: Final enables for Oaktrail (diff) | |
| parent | Linux 3.2-rc6 (diff) | |
| download | linux-1fbe6f625f69e48c4001051dc1431afc704acfaa.tar.xz linux-1fbe6f625f69e48c4001051dc1431afc704acfaa.zip | |
Merge tag 'v3.2-rc6' of /home/airlied/devel/kernel/linux-2.6 into drm-core-next
Merge in the upstream tree to bring in the mainline fixes.
Conflicts:
drivers/gpu/drm/exynos/exynos_drm_fbdev.c
drivers/gpu/drm/nouveau/nouveau_sgdma.c
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) |