msm: camera: isp: Change data type for error handling

Use unsigned long to capture the return value of
wait_for_completion APIs as part of CSID path reset.

CRs-Fixed: 2600604
Change-Id: Ic21ddf283180a177b2c2d9e9a33fec4ec68bdd98
Signed-off-by: Karthik Anantha Ram <kartanan@codeaurora.org>

drivers/cam_isp/isp_hw_mgr/cam_ife_hw_mgr.c

@@ -249,7 +249,7 @@ static int cam_ife_hw_mgr_reset_csid_res(
 			rc = hw_intf->hw_ops.reset(hw_intf->hw_priv,
 				&csid_reset_args,
 				sizeof(struct cam_csid_reset_cfg_args));
-			if (rc <= 0)
+			if (rc)
 				goto err;
 		}
 	}

drivers/cam_isp/isp_hw_mgr/isp_hw/ife_csid_hw/cam_ife_csid_core.c

@@ -529,6 +529,7 @@ static int cam_ife_csid_path_reset(struct cam_ife_csid_hw *csid_hw,
 	struct cam_csid_reset_cfg_args  *reset)
 {
 	int rc = 0;
+	unsigned long rem_jiffies;
 	struct cam_hw_soc_info                    *soc_info;
 	struct cam_isp_resource_node              *res;
 	const struct cam_ife_csid_reg_offset      *csid_reg;
@@ -648,14 +649,13 @@ static int cam_ife_csid_path_reset(struct cam_ife_csid_hw *csid_hw,
 	cam_io_w_mb(reset_strb_val, soc_info->reg_map[0].mem_base +
 				reset_strb_addr);
 
-	rc = wait_for_completion_timeout(complete,
+	rem_jiffies = wait_for_completion_timeout(complete,
 		msecs_to_jiffies(IFE_CSID_TIMEOUT));
-	if (rc <= 0) {
+	if (!rem_jiffies) {
+		rc = -ETIMEDOUT;
 		CAM_ERR(CAM_ISP, "CSID:%d Res id %d fail rc = %d",
 			 csid_hw->hw_intf->hw_idx,
 			res->res_id,  rc);
-		if (rc == 0)
-			rc = -ETIMEDOUT;
 	}
 
 end: