2 files changed, 15 insertions, 1 deletions

diff --git a/drivers/ata/libata-core.c b/drivers/ata/libata-core.c
index 5aedd1af06e6..50ae20101d10 100644
--- a/drivers/ata/libata-core.c
+++ b/drivers/ata/libata-core.c
@@ -5630,6 +5630,10 @@ void ata_qc_complete(struct ata_queued_cmd *qc)
                         ehi->dev_action[dev->devno] |= ATA_EH_REVALIDATE;
                         ata_port_schedule_eh(ap);
                         break;
+
+                case ATA_CMD_SLEEP:
+                        dev->flags |= ATA_DFLAG_SLEEPING;
+                        break;
                 }
 
                 __ata_qc_complete(qc);
@@ -5769,6 +5773,14 @@ void ata_qc_issue(struct ata_queued_cmd *qc)
                 qc->flags &= ~ATA_QCFLAG_DMAMAP;
         }
 
+        /* if device is sleeping, schedule softreset and abort the link */
+        if (unlikely(qc->dev->flags & ATA_DFLAG_SLEEPING)) {
+                link->eh_info.action |= ATA_EH_SOFTRESET;
+                ata_ehi_push_desc(&link->eh_info, "waking up from sleep");
+                ata_link_abort(link);
+                return;
+        }
+
         ap->ops->qc_prep(qc);
 
         qc->err_mask |= ap->ops->qc_issue(qc);
diff --git a/drivers/ata/libata-eh.c b/drivers/ata/libata-eh.c
index 8cb35bb87605..496edaff119a 100644
--- a/drivers/ata/libata-eh.c
+++ b/drivers/ata/libata-eh.c
@@ -2208,9 +2208,11 @@ int ata_eh_reset(struct ata_link *link, int classify,
                 ata_link_for_each_dev(dev, link) {
                         /* After the reset, the device state is PIO 0
                          * and the controller state is undefined.
-                         * Record the mode.
+                         * Reset also wakes up drives from sleeping
+                         * mode.
                          */
                         dev->pio_mode = XFER_PIO_0;
+                        dev->flags &= ~ATA_DFLAG_SLEEPING;
 
                         if (ata_link_offline(link))
                                 continue;