env: Add a silent env handler
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>
diff --git a/common/console.c b/common/console.c
index 270170b..bf73178 100644
--- a/common/console.c
+++ b/common/console.c
@@ -73,6 +73,29 @@
}
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