commit 0fa486dbe800bea05c81fc33eee197873573fefb
Author: Sathvika Vasireddy <sv@linux.ibm.com>
Date:   Fri Sep 8 12:35:14 2023 +0530

    ppc64-diag/lp_diag: Enable light path diagnostics for RTAS events
    
    Currently, Light Path Diagnostics support is enabled only for OS and
    Enclosure type events. Enable light path diagnostics support for RTAS
    type events by turning on only the high priority FRU callouts.
    
    Signed-off-by: Sathvika Vasireddy <sv@linux.ibm.com>
    Signed-off-by: Mahesh Salgaonkar <mahesh@linux.ibm.com>

diff --git a/lpd/lp_diag.c b/lpd/lp_diag.c
index e6f5d3c..e67db02 100644
--- a/lpd/lp_diag.c
+++ b/lpd/lp_diag.c
@@ -37,6 +37,8 @@
 #include "lp_util.h"
 #include "utils.h"
 
+static int rtas_event;
+
 /* FRU callout priority as defined in PAPR+
  *
  * Note: Order of the priority is important!
@@ -173,8 +175,10 @@ service_event_supported(struct sl_event *event)
 			return 0;
 		}
 		break;
-	case SL_TYPE_BMC:
 	case SL_TYPE_RTAS:
+		rtas_event = 1;
+		break;
+	case SL_TYPE_BMC:
 	case SL_TYPE_BASIC:
 	default:
 		return 0;
@@ -446,14 +450,20 @@ parse_service_event(int event_id)
 	attn_loc = &list[0];
 
 	if (operating_mode == LED_MODE_LIGHT_PATH) {
-		if (event->callouts)
+		if (event->callouts) {
 			/* Run over FRU callout priority in order and
 			 * enable fault indicator
 			 */
-			for (i = 0; FRU_CALLOUT_PRIORITY[i]; i++)
+			if (!rtas_event) {
+				for (i = 0; FRU_CALLOUT_PRIORITY[i]; i++)
+					rc = event_fru_callout(event->callouts, list,
+							FRU_CALLOUT_PRIORITY[i],
+							&attn_on);
+			} else {
 				rc = event_fru_callout(event->callouts, list,
-						       FRU_CALLOUT_PRIORITY[i],
-						       &attn_on);
+						'H', &attn_on);
+			}
+		}
 		else {
 			/* No callout list, enable check log indicator */
 			indicator_log_write("Empty callout list");