From 2c8fdd7aea1d3c6c380ea5b5080147dc7fe9c38f Mon Sep 17 00:00:00 2001
From: Gregor Herburger <gregor.herburger@linutronix.de>
Date: Mon, 13 Apr 2026 17:24:53 +0200
Subject: console: add console_flush_stdin()

Add a common helper console_flush_stdin() to drain all pending
characters from stdin. This consolidates the open-coded
while (tstc()) getchar() pattern that appeared in multiple places
across the tree.

Signed-off-by: Gregor Herburger <gregor.herburger@linutronix.de>
Reviewed-by: Alexander Sverdlin <alexander.sverdlin@siemens.com>
Reviewed-by: Quentin Schulz <quentin.schulz@cherry.de>
Reviewed-by: Simon Glass <sjg@chromium.org>
---
 include/console.h | 5 +++++
 1 file changed, 5 insertions(+)

(limited to 'include')

diff --git a/include/console.h b/include/console.h
index 8d0d7bb8a4c..01a04f28f31 100644
--- a/include/console.h
+++ b/include/console.h
@@ -202,6 +202,11 @@ int console_clear(void);
  */
 int console_remove_by_name(const char *name);
 
+/**
+ * console_flush_stdin() - drops all pending characters from stdin
+ */
+void console_flush_stdin(void);
+
 /*
  * CONSOLE multiplexing.
  */
-- 
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