From e4507f4a0a7ac3b5346934df19c2daed626cc404 Mon Sep 17 00:00:00 2001 From: Maxim Kochetkov Date: Wed, 13 Aug 2025 08:54:32 +0300 Subject: [PATCH] serial-uclass: set GD_FLG_SERIAL_READY only when cur_serial_dev is assigned serial_find_console_or_panic() may left cur_serial_dev unassigned if REQUIRE_SERIAL_CONSOLE is not set. Setting GD_FLG_SERIAL_READY in this situation confuses serial console code. It tries to use unassigned driver instead of debug port and stops printing. So check cur_serial_dev before setting GD_FLG_SERIAL_READY to allow console to keep printing via debug port. Signed-off-by: Maxim Kochetkov --- drivers/serial/serial-uclass.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/drivers/serial/serial-uclass.c b/drivers/serial/serial-uclass.c index a08678dde4e..7b381ca12a0 100644 --- a/drivers/serial/serial-uclass.c +++ b/drivers/serial/serial-uclass.c @@ -191,7 +191,8 @@ int serial_init(void) { #if CONFIG_IS_ENABLED(SERIAL_PRESENT) serial_find_console_or_panic(); - gd->flags |= GD_FLG_SERIAL_READY; + if (gd->cur_serial_dev) + gd->flags |= GD_FLG_SERIAL_READY; if (IS_ENABLED(CONFIG_OF_SERIAL_BAUD)) { int ret = 0; -- 2.47.3