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-rw-r--r--drivers/tty/serial/kgdboc.c15
1 files changed, 14 insertions, 1 deletions
diff --git a/drivers/tty/serial/kgdboc.c b/drivers/tty/serial/kgdboc.c
index 34b5e91dd245..fa6f7a3e73b9 100644
--- a/drivers/tty/serial/kgdboc.c
+++ b/drivers/tty/serial/kgdboc.c
@@ -43,9 +43,11 @@ static int kgdb_tty_line;
static struct platform_device *kgdboc_pdev;
+#if IS_BUILTIN(CONFIG_KGDB_SERIAL_CONSOLE)
static struct kgdb_io kgdboc_earlycon_io_ops;
static struct console *earlycon;
static int (*earlycon_orig_exit)(struct console *con);
+#endif /* IS_BUILTIN(CONFIG_KGDB_SERIAL_CONSOLE) */
#ifdef CONFIG_KDB_KEYBOARD
static int kgdboc_reset_connect(struct input_handler *handler,
@@ -140,10 +142,19 @@ static void kgdboc_unregister_kbd(void)
#define kgdboc_restore_input()
#endif /* ! CONFIG_KDB_KEYBOARD */
-static void cleanup_kgdboc(void)
+#if IS_BUILTIN(CONFIG_KGDB_SERIAL_CONSOLE)
+static void cleanup_earlycon(void)
{
if (earlycon)
kgdb_unregister_io_module(&kgdboc_earlycon_io_ops);
+}
+#else /* !IS_BUILTIN(CONFIG_KGDB_SERIAL_CONSOLE) */
+static inline void cleanup_earlycon(void) { }
+#endif /* !IS_BUILTIN(CONFIG_KGDB_SERIAL_CONSOLE) */
+
+static void cleanup_kgdboc(void)
+{
+ cleanup_earlycon();
if (configured != 1)
return;
@@ -388,6 +399,7 @@ static struct kgdb_io kgdboc_io_ops = {
.post_exception = kgdboc_post_exp_handler,
};
+#if IS_BUILTIN(CONFIG_KGDB_SERIAL_CONSOLE)
static int kgdboc_option_setup(char *opt)
{
if (!opt) {
@@ -544,6 +556,7 @@ unlock:
}
early_param("kgdboc_earlycon", kgdboc_earlycon_init);
+#endif /* IS_BUILTIN(CONFIG_KGDB_SERIAL_CONSOLE) */
module_init(init_kgdboc);
module_exit(exit_kgdboc);