[PATCH] scsi: ufs: check link active or not after switch to HS mode

[Zang Leigang]

Some device can successfully link and switch to HS mode. But failed
to do more. ufshcd_verify_dev_init can help to find this earlier.

Signed-off-by: Zang Leigang <zangleig...@hisilicon.com>

diff --git a/drivers/scsi/ufs/ufshcd.c b/drivers/scsi/ufs/ufshcd.c
index ffe8d8608818..eb03388fc4bd 100644
--- a/drivers/scsi/ufs/ufshcd.c
+++ b/drivers/scsi/ufs/ufshcd.c
@@ -6373,6 +6373,14 @@ static int ufshcd_probe_hba(struct ufs_hba *hba)
                                        __func__, ret);
                        goto out;
                }
+
+               /*
+                * Some device lost link after switch to HS mode. Check if
+                * connect is established here.
+                */
+               ret = ufshcd_verify_dev_init(hba);
+               if (ret)
+                       goto out;
        }
 
        /* set the state as operational after switching to desired gear */
-- 
2.13.0