console: Use flush() before panic and reset
To make sure the panic and the reset messages will go out, console flush() should be used.
Sleep periods do not work in early u-boot phase when timer driver is not initialized yet.
Reference: https://lists.denx.de/pipermail/u-boot/2023-March/512233.html
Signed-off-by: Tony Dinh <mibodhi@gmail.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Stefan Roese <sr@denx.de>
diff --git a/lib/panic.c b/lib/panic.c
index 58382ac..66ae17f 100644
--- a/lib/panic.c
+++ b/lib/panic.c
@@ -15,6 +15,7 @@
#include <command.h>
#endif
#include <linux/delay.h>
+#include <stdio.h>
static void panic_finish(void) __attribute__ ((noreturn));
@@ -24,7 +25,8 @@
#if defined(CONFIG_PANIC_HANG)
hang();
#else
- udelay(100000); /* allow messages to go out */
+ flush(); /* flush the panic message before reset */
+
do_reset(NULL, 0, 0, NULL);
#endif
while (1)