[COMMON] scsi: ufs: exynos: Add reset ctrl for ufs sleep/wake

Change-Id: I2a26c1690a211dd3d040fe6b37c6e43c39d2fa9b
Signed-off-by: hgchu <hg.chu@samsung.com>

diff --git a/drivers/scsi/ufs/ufshcd.c b/drivers/scsi/ufs/ufshcd.c
index c08eda7be543c70894acbdd25a18a7370d93c4c1..224d75dc75dc53e2ef187da659e4364f22ca4c56 100644 (file)
--- a/drivers/scsi/ufs/ufshcd.c
+++ b/drivers/scsi/ufs/ufshcd.c
@@ -3830,6 +3830,7 @@ out:
        /* Dump debugging information to system memory */
        if (ret) {
                ufshcd_vops_dbg_register_dump(hba);
+               exynos_ufs_show_uic_info(hba);  
                ufshcd_print_host_state(hba);
                ufshcd_print_pwr_info(hba);
                ufshcd_print_host_regs(hba);
@@ -4879,6 +4880,9 @@ ufshcd_transfer_rsp_status(struct ufs_hba *hba, struct ufshcd_lrb *lrbp)
                            ufshcd_is_exception_event(lrbp->ucd_rsp_ptr) &&
                                scsi_host_in_recovery(hba->host)) {
                                schedule_work(&hba->eeh_work);
+                               dev_info(hba->dev, "execption event reported\n");
+                       }
+
                        break;
                case UPIU_TRANSACTION_REJECT_UPIU:
                        /* TODO: handle Reject UPIU Response */
@@ -5218,8 +5222,12 @@ static int ufshcd_bkops_ctrl(struct ufs_hba *hba,
                goto out;
        }
 
-       if (curr_status >= status)
+       if (curr_status >= status) {
                err = ufshcd_enable_auto_bkops(hba);
+               if (!err)
+               dev_info(hba->dev, "%s: auto_bkops enabled, status : %d\n",
+                       __func__, curr_status);
+       }
        else
                err = ufshcd_disable_auto_bkops(hba);
 out:
@@ -5423,6 +5431,7 @@ static void ufshcd_err_handler(struct work_struct *work)
 
        hba->ufshcd_state = UFSHCD_STATE_RESET;
        ufshcd_set_eh_in_progress(hba);
+       exynos_ufs_show_uic_info(hba);
 
        /* Complete requests that have door-bell cleared by h/w */
        ufshcd_complete_requests(hba);
@@ -8035,6 +8044,8 @@ disable_clks:
         */
        ufshcd_disable_irq(hba);
 
+       ufshcd_vreg_set_lpm(hba);
+       udelay(50);
 
        if (gating_allowed) {
                if (!ufshcd_is_link_active(hba))