diff options
Diffstat (limited to 'drivers/tty/serial/kgdboc.c')
| -rw-r--r-- | drivers/tty/serial/kgdboc.c | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/drivers/tty/serial/kgdboc.c b/drivers/tty/serial/kgdboc.c index a260cde743e2..4cf5e0a8ede8 100644 --- a/drivers/tty/serial/kgdboc.c +++ b/drivers/tty/serial/kgdboc.c @@ -245,6 +245,24 @@ static void kgdboc_put_char(u8 chr) kgdb_tty_line, chr); } +static int kgdboc_request_nmi(irq_handler_t handler) +{ + if (!kgdb_tty_driver || !kgdb_tty_driver->ops->poll_request_nmi || + !kgdb_tty_driver->ops->poll_free_nmi) + return -EINVAL; + + return kgdb_tty_driver->ops->poll_request_nmi(kgdb_tty_driver, + kgdb_tty_line, handler); +} + +static void kgdboc_free_nmi(void) +{ + if (!kgdb_tty_driver) + return; + return kgdb_tty_driver->ops->poll_free_nmi(kgdb_tty_driver, + kgdb_tty_line); +} + static int param_set_kgdboc_var(const char *kmessage, struct kernel_param *kp) { int len = strlen(kmessage); @@ -308,6 +326,8 @@ static struct kgdb_io kgdboc_io_ops = { .name = "kgdboc", .read_char = kgdboc_get_char, .write_char = kgdboc_put_char, + .request_nmi = kgdboc_request_nmi, + .free_nmi = kgdboc_free_nmi, .pre_exception = kgdboc_pre_exp_handler, .post_exception = kgdboc_post_exp_handler, }; |