From: Ahmad Fatoum <[email protected]>

Currently the /chosen fixups of "reset-source",
"reset-source-instance", "reset-source-device" and "bootsource" do not
happen if no bootargs are available.

Fix that by moving the actual bootargs fixup to a dedicated function
of_write_bootargs() and only return there early on empty bootargs, but
still perform the /chosen fixups mentioned above.

Signed-off-by: Ahmad Fatoum <[email protected]>
[bst: dropped new line deletions and modified string comparison, moved 
of_write_bootargs() call to original position, add commit message]
Signed-off-by: Bastian Krause <[email protected]>
---
No changes since (implicit) v1.
---
 common/oftree.c | 20 +++++++++++++-------
 1 file changed, 13 insertions(+), 7 deletions(-)

diff --git a/common/oftree.c b/common/oftree.c
index 075b9d6b8b..a8e6587a61 100644
--- a/common/oftree.c
+++ b/common/oftree.c
@@ -161,16 +161,12 @@ static void watchdog_build_bootargs(struct watchdog 
*watchdog, struct device_nod
        free(buf);
 }
 
-static int of_fixup_bootargs(struct device_node *root, void *unused)
+static int of_write_bootargs(struct device_node *node)
 {
-       struct device_node *node;
        const char *str;
-       int err;
-       int instance = reset_source_get_instance();
-       struct device_d *dev;
 
        if (IS_ENABLED(CONFIG_SYSTEMD_OF_WATCHDOG))
-               watchdog_build_bootargs(boot_get_enabled_watchdog(), root);
+               watchdog_build_bootargs(boot_get_enabled_watchdog(), 
of_get_parent(node));
 
        str = linux_bootargs_get();
        if (!str)
@@ -180,13 +176,23 @@ static int of_fixup_bootargs(struct device_node *root, 
void *unused)
        if (strlen(str) == 0)
                return 0;
 
+       return of_property_write_string(node, "bootargs", str);
+}
+
+static int of_fixup_bootargs(struct device_node *root, void *unused)
+{
+       struct device_node *node;
+       int err;
+       int instance = reset_source_get_instance();
+       struct device_d *dev;
+
        node = of_create_node(root, "/chosen");
        if (!node)
                return -ENOMEM;
 
        of_property_write_string(node, "barebox-version", release_string);
 
-       err = of_property_write_string(node, "bootargs", str);
+       err = of_write_bootargs(node);
        if (err)
                return err;
 
-- 
2.29.2


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