path: root/include
diff options
authorAlan Cox <alan@linux.intel.com>2009-10-06 16:06:46 +0100
committerGreg Kroah-Hartman <gregkh@suse.de>2009-12-11 15:18:04 -0800
commit82fc5943430e3cbf15033ed4186a73f90906345d (patch)
tree16e8168424072f02cba69c64bedf5d52915c9eda /include
parente1108a63e10d344284011cccc06328b2cd3e5da3 (diff)
usb_serial: Kill port mutex
The tty port has a port mutex used for all the port related locking so we don't need the one in the USB serial layer any more. Signed-off-by: Alan Cox <alan@linux.intel.com> Cc: Alan Stern <stern@rowland.harvard.edu> Cc: Oliver Neukum <oliver@neukum.org> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Diffstat (limited to 'include')
1 files changed, 0 insertions, 3 deletions
diff --git a/include/linux/usb/serial.h b/include/linux/usb/serial.h
index ce911ebf91e..acf6e457c04 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;