diff options
Diffstat (limited to 'include/linux/tty_port.h')
| -rw-r--r-- | include/linux/tty_port.h | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/include/linux/tty_port.h b/include/linux/tty_port.h index d3ea9ed0b98e..58e9619116b7 100644 --- a/include/linux/tty_port.h +++ b/include/linux/tty_port.h @@ -2,6 +2,7 @@ #ifndef _LINUX_TTY_PORT_H #define _LINUX_TTY_PORT_H +#include <linux/kfifo.h> #include <linux/kref.h> #include <linux/mutex.h> #include <linux/tty_buffer.h> @@ -67,6 +68,7 @@ extern const struct tty_port_client_operations tty_port_default_client_ops; * @mutex: locking, for open, shutdown and other port operations * @buf_mutex: @xmit_buf alloc lock * @xmit_buf: optional xmit buffer used by some drivers + * @xmit_fifo: optional xmit buffer used by some drivers * @close_delay: delay in jiffies to wait when closing the port * @closing_wait: delay in jiffies for output to be sent before closing * @drain_delay: set to zero if no pure time based drain is needed else set to @@ -110,6 +112,7 @@ struct tty_port { struct mutex mutex; struct mutex buf_mutex; unsigned char *xmit_buf; + DECLARE_KFIFO_PTR(xmit_fifo, unsigned char); unsigned int close_delay; unsigned int closing_wait; int drain_delay; |