diff --git a/drivers/scsi/ufs/ufshcd-pci.c b/drivers/scsi/ufs/ufshcd-pci.c index 5d33c39fa82f..888d8c9ca3a5 100644 --- a/drivers/scsi/ufs/ufshcd-pci.c +++ b/drivers/scsi/ufs/ufshcd-pci.c @@ -178,6 +178,23 @@ static int ufs_intel_resume(struct ufs_hba *hba, enum ufs_pm_op op) REG_UTP_TASK_REQ_LIST_BASE_L); ufshcd_writel(hba, upper_32_bits(hba->utmrdl_dma_addr), REG_UTP_TASK_REQ_LIST_BASE_H); + + if (ufshcd_is_link_hibern8(hba)) { + int ret = ufshcd_uic_hibern8_exit(hba); + + if (!ret) { + ufshcd_set_link_active(hba); + } else { + dev_err(hba->dev, "%s: hibern8 exit failed %d\n", + __func__, ret); + /* + * Force reset and restore. Any other actions can lead + * to an unrecoverable state. + */ + ufshcd_set_link_off(hba); + } + } + return 0; }