libata: Implement ATA_DEV_ZAC

Add new ATA device type for ZAC devices.

Acked-by: Christoph Hellwig <hch@lst.de>
Acked-by: Tejun Heo <tj@kernel.org>
Signed-off-by: Hannes Reinecke <hare@suse.de>
Signed-off-by: Tejun Heo <tj@kernel.org>

1 files changed, 5 insertions, 2 deletions

diff --git a/drivers/ata/libata-eh.c b/drivers/ata/libata-eh.c
index dad83df555c4..3dbec8954c86 100644
--- a/drivers/ata/libata-eh.c
+++ b/drivers/ata/libata-eh.c
@@ -1809,6 +1809,7 @@ static unsigned int ata_eh_analyze_tf(struct ata_queued_cmd *qc,
 
         switch (qc->dev->class) {
         case ATA_DEV_ATA:
+        case ATA_DEV_ZAC:
                 if (err & ATA_ICRC)
                         qc->err_mask |= AC_ERR_ATA_BUS;
                 if (err & (ATA_UNC | ATA_AMNF))
@@ -3792,7 +3793,8 @@ int ata_eh_recover(struct ata_port *ap, ata_prereset_fn_t prereset,
                                 struct ata_eh_context *ehc = &link->eh_context;
                                 unsigned long tmp;
 
-                                if (dev->class != ATA_DEV_ATA)
+                                if (dev->class != ATA_DEV_ATA &&
+                                    dev->class != ATA_DEV_ZAC)
                                         continue;
                                 if (!(ehc->i.dev_action[dev->devno] &
                                       ATA_EH_PARK))
@@ -3873,7 +3875,8 @@ int ata_eh_recover(struct ata_port *ap, ata_prereset_fn_t prereset,
 
                 /* retry flush if necessary */
                 ata_for_each_dev(dev, link, ALL) {
-                        if (dev->class != ATA_DEV_ATA)
+                        if (dev->class != ATA_DEV_ATA &&
+                            dev->class != ATA_DEV_ZAC)
                                 continue;
                         rc = ata_eh_maybe_retry_flush(dev);
                         if (rc)