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console: Add option to keep it silent until env is loaded

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Add a config-option which forces the console to stay silent until the
proper environment is loaded from flash.

This is important when the default environment does not silence the
console but no output must be printed when 'silent' is set in the flash
environment.

After the environment from flash is loaded, the console will be
silenced/unsilenced depending on it.  If PRE_CONSOLE_BUFFER is also
used, the buffer will now be flushed if the console should not be
silenced.

Signed-off-by: Harald Seiler <hws@denx.de>
Reviewed-by: Simon Glass <sjg@chromium.org>
This commit is contained in:
Harald Seiler
2022-07-06 13:19:10 +02:00
committed by Tom Rini
parent f58885d002
commit 33965c7e18
2 changed files with 15 additions and 0 deletions
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5
common/console.c
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@@ -970,6 +970,11 @@ static bool console_update_silent(void)
if (!IS_ENABLED(CONFIG_SILENT_CONSOLE))
return false;
if (IS_ENABLED(CONFIG_SILENT_CONSOLE_UNTIL_ENV) && !(gd->flags & GD_FLG_ENV_READY)) {
gd->flags |= GD_FLG_SILENT;
return false;
}
if (env_get("silent")) {
gd->flags |= GD_FLG_SILENT;
return false;