diff options
Diffstat (limited to 'drivers/ufs')
| -rw-r--r-- | drivers/ufs/host/ufs-mediatek.c | 13 |
1 files changed, 10 insertions, 3 deletions
diff --git a/drivers/ufs/host/ufs-mediatek.c b/drivers/ufs/host/ufs-mediatek.c index f43eb945e011..dcccb63f74b9 100644 --- a/drivers/ufs/host/ufs-mediatek.c +++ b/drivers/ufs/host/ufs-mediatek.c @@ -1189,11 +1189,18 @@ static int ufs_mtk_link_set_hpm(struct ufs_hba *hba) return err; err = ufshcd_uic_hibern8_exit(hba); - if (!err) - ufshcd_set_link_active(hba); - else + if (err) return err; + /* Check link state to make sure exit h8 success */ + ufs_mtk_wait_idle_state(hba, 5); + err = ufs_mtk_wait_link_state(hba, VS_LINK_UP, 100); + if (err) { + dev_warn(hba->dev, "exit h8 state fail, err=%d\n", err); + return err; + } + ufshcd_set_link_active(hba); + if (!hba->mcq_enabled) { err = ufshcd_make_hba_operational(hba); } else { |