USB: autosuspend for cdc-acm

[safe/jmp/linux-2.6] / drivers / usb / class / cdc-acm.h

diff --git a/drivers/usb/class/cdc-acm.h b/drivers/usb/class/cdc-acm.h
index 09f7765..8df6a57 100644 (file)
--- a/drivers/usb/class/cdc-acm.h
+++ b/drivers/usb/class/cdc-acm.h
@@ -107,6 +107,7 @@ struct acm {
        int write_used;                                 /* number of non-empty write buffers */
        int write_ready;                                /* write urb is not running */
        spinlock_t write_lock;
+       struct mutex mutex;
        struct usb_cdc_line_coding line;                /* bits, stop, parity */
        struct work_struct work;                        /* work queue entry for line discipline waking up */
        struct tasklet_struct urb_task;                 /* rx processing */
@@ -120,6 +121,7 @@ struct acm {
        unsigned char throttle;                         /* throttled by tty layer */
        unsigned char clocal;                           /* termios CLOCAL */
        unsigned int ctrl_caps;                         /* control capabilities from the class specific header */
+       unsigned int susp_count;                        /* number of suspended interfaces */
 };
 
 #define CDC_DATA_INTERFACE_TYPE        0x0a