diff options
Diffstat (limited to 'drivers/usb/serial/generic.c')
| -rw-r--r-- | drivers/usb/serial/generic.c | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/drivers/usb/serial/generic.c b/drivers/usb/serial/generic.c index ba61c745df0..a5e61097668 100644 --- a/drivers/usb/serial/generic.c +++ b/drivers/usb/serial/generic.c @@ -12,6 +12,7 @@ #include <linux/kernel.h> #include <linux/errno.h> #include <linux/slab.h> +#include <linux/sysrq.h> #include <linux/tty.h> #include <linux/tty_flip.h> #include <linux/module.h> @@ -558,6 +559,7 @@ void usb_serial_generic_unthrottle(struct tty_struct *tty) } } +#ifdef CONFIG_MAGIC_SYSRQ int usb_serial_handle_sysrq_char(struct tty_struct *tty, struct usb_serial_port *port, unsigned int ch) { @@ -571,6 +573,13 @@ int usb_serial_handle_sysrq_char(struct tty_struct *tty, } return 0; } +#else +int usb_serial_handle_sysrq_char(struct tty_struct *tty, + struct usb_serial_port *port, unsigned int ch) +{ + return 0; +} +#endif EXPORT_SYMBOL_GPL(usb_serial_handle_sysrq_char); int usb_serial_handle_break(struct usb_serial_port *port) |