Commit f8ba3647 authored by Masahiro Yamada's avatar Masahiro Yamada Committed by Greg Kroah-Hartman

earlycon: mark earlycon code as __used iif the caller is built-in

Keep earlycon related symbols only when CONFIG_SERIAL_EARLYCON is
enabled and the driver is built-in.  This will be helpful to clean
up ifdefs surrounding earlycon code in serial drivers.
Signed-off-by: default avatarMasahiro Yamada <>
Acked-by: default avatarArnd Bergmann <>
Signed-off-by: default avatarGreg Kroah-Hartman <>
parent 4ef03d32
......@@ -352,9 +352,15 @@ struct earlycon_id {
extern const struct earlycon_id __earlycon_table[];
extern const struct earlycon_id __earlycon_table_end[];
#if defined(CONFIG_SERIAL_EARLYCON) && !defined(MODULE)
#define EARLYCON_USED_OR_UNUSED __maybe_unused
#define OF_EARLYCON_DECLARE(_name, compat, fn) \
static const struct earlycon_id __UNIQUE_ID(__earlycon_##_name) \
__used __section(__earlycon_table) \
EARLYCON_USED_OR_UNUSED __section(__earlycon_table) \
= { .name = __stringify(_name), \
.compatible = compat, \
.setup = fn }
Markdown is supported
0% or
You are about to add 0 people to the discussion. Proceed with caution.
Finish editing this message first!
Please register or to comment