From 5e9ba032ac359ef465b613d1621d6d1406c0cf6d Mon Sep 17 00:00:00 2001
From: rjkm <rjkm@rjkm.de>
Date: Mon, 28 Jul 2025 22:56:04 +0200
Subject: [PATCH] retry gt-link after 200ms delay if it failed

---
 ddbridge/ddbridge-core.c | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/ddbridge/ddbridge-core.c b/ddbridge/ddbridge-core.c
index d91ed51..7d484a1 100644
--- a/ddbridge/ddbridge-core.c
+++ b/ddbridge/ddbridge-core.c
@@ -4261,6 +4261,11 @@ static int ddb_gtl_init_link(struct ddb *dev, u32 l)
 		}
 	}
 	id = ddbreadl(dev, DDB_LINK_TAG(l) | 8);
+	if (!id) {
+		dev_info(dev->dev, "GT link ID 0. Reading again.");
+		msleep(200);
+		id = ddbreadl(dev, DDB_LINK_TAG(l) | 8);
+	}
 	subid = ddbreadl(dev, DDB_LINK_TAG(l) | 12);
 	link->info = get_ddb_info(id & 0xffff, id >> 16,
 				  subid & 0xffff, subid >> 16);