diff options
Diffstat (limited to 'drivers/usb/class/cdc-acm.h')
| -rw-r--r-- | drivers/usb/class/cdc-acm.h | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/drivers/usb/class/cdc-acm.h b/drivers/usb/class/cdc-acm.h index 046e064b033..1f95e7aa1b6 100644 --- a/drivers/usb/class/cdc-acm.h +++ b/drivers/usb/class/cdc-acm.h @@ -106,11 +106,14 @@ struct acm { struct list_head spare_read_bufs; struct list_head filled_read_bufs; int write_used; /* number of non-empty write buffers */ - int write_ready; /* write urb is not running */ + int processing; + int transmitting; 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 work_struct waker; + wait_queue_head_t drain_wait; /* close processing */ struct tasklet_struct urb_task; /* rx processing */ spinlock_t throttle_lock; /* synchronize throtteling and read callback */ unsigned int ctrlin; /* input control lines (DCD, DSR, RI, break, overruns) */ @@ -123,6 +126,7 @@ struct acm { unsigned char clocal; /* termios CLOCAL */ unsigned int ctrl_caps; /* control capabilities from the class specific header */ unsigned int susp_count; /* number of suspended interfaces */ + struct acm_wb *delayed_wb; /* write queued for a device about to be woken */ }; #define CDC_DATA_INTERFACE_TYPE 0x0a |