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-rw-r--r--scripts/kconfig/confdata.c12
1 files changed, 11 insertions, 1 deletions
diff --git a/scripts/kconfig/confdata.c b/scripts/kconfig/confdata.c
index 4bbbb5b09c8..664fe29dace 100644
--- a/scripts/kconfig/confdata.c
+++ b/scripts/kconfig/confdata.c
@@ -767,18 +767,28 @@ int conf_write_autoconf(void)
}
static int sym_change_count;
+static void (*conf_changed_callback)(void);
void sym_set_change_count(int count)
{
+ int _sym_change_count = sym_change_count;
sym_change_count = count;
+ if (conf_changed_callback &&
+ (bool)_sym_change_count != (bool)count)
+ conf_changed_callback();
}
void sym_add_change_count(int count)
{
- sym_change_count += count;
+ sym_set_change_count(count + sym_change_count);
}
bool conf_get_changed(void)
{
return sym_change_count;
}
+
+void conf_set_changed_callback(void (*fn)(void))
+{
+ conf_changed_callback = fn;
+}