[PATCH] mach-k3: common_fdt: create a reserved memory node

[Bryan Brattlof]

Some device trees may not have a reserved-memory node. Rather than
exiting early we should create a new reserved-memory node along with
the memory carveout for the firmware we (U-Boot) have placed.

Signed-off-by: Bryan Brattlof <bb at ti.com>
---
 arch/arm/mach-k3/common_fdt.c | 7 +++----
 1 file changed, 3 insertions(+), 4 deletions(-)

diff --git a/arch/arm/mach-k3/common_fdt.c b/arch/arm/mach-k3/common_fdt.c
index 4a01671156687..361b0c0b31b09 100644
--- a/arch/arm/mach-k3/common_fdt.c
+++ b/arch/arm/mach-k3/common_fdt.c
@@ -122,10 +122,8 @@ int fdt_fixup_reserved(void *blob, const char *name,
 
 	/* Find reserved-memory */
 	nodeoffset = fdt_subnode_offset(blob, 0, "reserved-memory");
-	if (nodeoffset < 0) {
-		debug("Could not find reserved-memory node\n");
-		return 0;
-	}
+	if (nodeoffset < 0)
+		goto add_carveout;
 
 	/* Find existing matching subnode and remove it */
 	fdt_for_each_subnode(subnode, blob, nodeoffset) {
@@ -154,6 +152,7 @@ int fdt_fixup_reserved(void *blob, const char *name,
 		}
 	}
 
+add_carveout:
 	struct fdt_memory carveout = {
 		.start = new_address,
 		.end = new_address + new_size - 1,

---
base-commit: b78f8677cde8b1dde31b66f5b780f2e9b62fba7f
change-id: 20250227-reserved-memory-85f5d409e6a7

Best regards,
-- 
Bryan Brattlof <bb at ti.com>