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env: Add a silent env handler

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The silent variable now updates the global data flag anytime it is
changed as well as after the env relocation (in case its value is
different from the default env in such cases as NAND env)

Signed-off-by: Joe Hershberger <joe.hershberger@ni.com>
This commit is contained in:
Joe Hershberger
2012-12-11 22:16:30 -06:00
committed by Tom Rini
parent 849d5d9cda
commit e080d545f8
3 changed files with 40 additions and 4 deletions
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23
common/console.c
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@@ -73,6 +73,29 @@ static int on_console(const char *name, const char *value, enum env_op op,
}
U_BOOT_ENV_CALLBACK(console, on_console);
#ifdef CONFIG_SILENT_CONSOLE
static int on_silent(const char *name, const char *value, enum env_op op,
int flags)
{
#ifndef CONFIG_SILENT_CONSOLE_UPDATE_ON_SET
if (flags & H_INTERACTIVE)
return 0;
#endif
#ifndef CONFIG_SILENT_CONSOLE_UPDATE_ON_RELOC
if ((flags & H_INTERACTIVE) == 0)
return 0;
#endif
if (value != NULL)
gd->flags |= GD_FLG_SILENT;
else
gd->flags &= ~GD_FLG_SILENT;
return 0;
}
U_BOOT_ENV_CALLBACK(silent, on_silent);
#endif
#ifdef CONFIG_SYS_CONSOLE_IS_IN_ENV
/*
* if overwrite_console returns 1, the stdin, stderr and stdout