From: Andrew F. Davis <afd@ti.com>
Date: Tue, 7 Jan 2020 23:12:40 +0000 (-0500)
Subject: arm: mach-k3: Warn when node to disable is not found
X-Git-Tag: v2020.10~405^2~24
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=28b90a46565adc0ff6c426f4ea84def2d38ef0f6;p=platform%2Fkernel%2Fu-boot.git

arm: mach-k3: Warn when node to disable is not found

Not finding a node that we try to disable does not always need to be
fatal to boot but should at least print out a warning. Return error
from fdt_disable_node as it did fail to disable the node, but only
warn in the case of disabling the TRNG as this will not prevent boot.

Signed-off-by: Andrew F. Davis <afd@ti.com>
Reviewed-by: Lokesh Vutla <lokeshvutla@ti.com>
Signed-off-by: Lokesh Vutla <lokeshvutla@ti.com>
---

diff --git a/arch/arm/mach-k3/common.c b/arch/arm/mach-k3/common.c
index 50f5b81..e8b7d70 100644
--- a/arch/arm/mach-k3/common.c
+++ b/arch/arm/mach-k3/common.c
@@ -174,8 +174,8 @@ int fdt_disable_node(void *blob, char *node_path)
 
 	offs = fdt_path_offset(blob, node_path);
 	if (offs < 0) {
-		debug("Node %s not found.\n", node_path);
-		return 0;
+		printf("Node %s not found.\n", node_path);
+		return offs;
 	}
 	ret = fdt_setprop_string(blob, offs, "status", "disabled");
 	if (ret < 0) {
diff --git a/board/ti/am65x/evm.c b/board/ti/am65x/evm.c
index 4d86757..a610879 100644
--- a/board/ti/am65x/evm.c
+++ b/board/ti/am65x/evm.c
@@ -105,10 +105,8 @@ int ft_board_setup(void *blob, bd_t *bd)
 #if defined(CONFIG_TI_SECURE_DEVICE)
 	/* Make HW RNG reserved for secure world use */
 	ret = fdt_disable_node(blob, "/interconnect@100000/trng@4e10000");
-	if (ret) {
+	if (ret)
 		printf("%s: disabling TRGN failed %d\n", __func__, ret);
-		return ret;
-	}
 #endif
 
 	return 0;