From: hgchu <hg.chu@samsung.com>
Date: Fri, 12 Jan 2018 04:28:54 +0000 (+0900)
Subject: scsi: ufs: load debugging information to memory
X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=aee9809c8797003db2ad50443c71a26559b576a8;p=GitHub%2Fmoto-9609%2Fandroid_kernel_motorola_exynos9610.git

scsi: ufs: load debugging information to memory

Change-Id: I88953cc61f44795b5c90186a0214e2c659f31b67
Signed-off-by: hgchu <hg.chu@samsung.com>
---

diff --git a/drivers/scsi/ufs/ufshcd.c b/drivers/scsi/ufs/ufshcd.c
index ae6b90659e32..a4e2a7b34544 100644
--- a/drivers/scsi/ufs/ufshcd.c
+++ b/drivers/scsi/ufs/ufshcd.c
@@ -3737,7 +3737,9 @@ static int ufshcd_uic_pwr_ctrl(struct ufs_hba *hba, struct uic_command *cmd)
 		ret = (status != PWR_OK) ? status : -1;
 	}
 out:
+	/* Dump debugging information to system memory */
 	if (ret) {
+		ufshcd_vops_dbg_register_dump(hba);
 		ufshcd_print_host_state(hba);
 		ufshcd_print_pwr_info(hba);
 		ufshcd_print_host_regs(hba);
@@ -5286,6 +5288,8 @@ static void ufshcd_err_handler(struct work_struct *work)
 	pm_runtime_get_sync(hba->dev);
 	ufshcd_hold(hba, false);
 
+	/* Dump debugging information to system memory */
+	ufshcd_vops_dbg_register_dump(hba);
 	spin_lock_irqsave(hba->host->host_lock, flags);
 	if (hba->ufshcd_state == UFSHCD_STATE_RESET)
 		goto out;
@@ -5737,6 +5741,8 @@ static int ufshcd_eh_device_reset_handler(struct scsi_cmnd *cmd)
 	hba = shost_priv(host);
 	tag = cmd->request->tag;
 
+	/* Dump debugging information to system memory */
+	ufshcd_vops_dbg_register_dump(hba);
 	lrbp = &hba->lrb[tag];
 	err = ufshcd_issue_tm_cmd(hba, lrbp->lun, 0, UFS_LOGICAL_RESET, &resp);
 	if (err || resp != UPIU_TASK_MANAGEMENT_FUNC_COMPL) {
@@ -5825,6 +5831,8 @@ static int ufshcd_abort(struct scsi_cmnd *cmd)
 		return ufshcd_eh_host_reset_handler(cmd);
 
 	ufshcd_hold(hba, false);
+	/* Dump debugging information to system memory */
+	ufshcd_vops_dbg_register_dump(hba);
 	reg = ufshcd_readl(hba, REG_UTP_TRANSFER_REQ_DOOR_BELL);
 	/* If command is already aborted/completed, return SUCCESS */
 	if (!(test_bit(tag, &hba->outstanding_reqs))) {