diff options
| author | Alan Cox <alan@linux.intel.com> | 2009-10-06 16:06:46 +0100 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@suse.de> | 2009-12-11 15:18:04 -0800 |
| commit | 82fc5943430e3cbf15033ed4186a73f90906345d (patch) | |
| tree | 16e8168424072f02cba69c64bedf5d52915c9eda /include/linux | |
| parent | e1108a63e10d344284011cccc06328b2cd3e5da3 (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/linux')
| -rw-r--r-- | include/linux/usb/serial.h | 3 |
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; |