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Diffstat (limited to 'include/linux/usb/serial.h')
-rw-r--r--include/linux/usb/serial.h3
1 files changed, 0 insertions, 3 deletions
diff --git a/include/linux/usb/serial.h b/include/linux/usb/serial.h
index ce911ebf91e8..acf6e457c04b 100644
--- a/include/linux/usb/serial.h
+++ b/include/linux/usb/serial.h
@@ -39,8 +39,6 @@ enum port_dev_state {
* @serial: pointer back to the struct usb_serial owner of this port.
* @port: pointer to the corresponding tty_port for this port.
* @lock: spinlock to grab when updating portions of this structure.
- * @mutex: mutex used to synchronize serial_open() and serial_close()
- * access for this port.
* @number: the number of the port (the minor number).
* @interrupt_in_buffer: pointer to the interrupt in buffer for this port.
* @interrupt_in_urb: pointer to the interrupt in struct urb for this port.
@@ -77,7 +75,6 @@ struct usb_serial_port {
struct usb_serial *serial;
struct tty_port port;
spinlock_t lock;
- struct mutex mutex;
unsigned char number;
unsigned char *interrupt_in_buffer;