diff options
Diffstat (limited to 'drivers/usb/class/cdc-acm.h')
| -rw-r--r-- | drivers/usb/class/cdc-acm.h | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/drivers/usb/class/cdc-acm.h b/drivers/usb/class/cdc-acm.h index 8df6a57dcf9..046e064b033 100644 --- a/drivers/usb/class/cdc-acm.h +++ b/drivers/usb/class/cdc-acm.h @@ -59,7 +59,7 @@ * when processing onlcr, so we only need 2 buffers. These values must be * powers of 2. */ -#define ACM_NW 2 +#define ACM_NW 16 #define ACM_NR 16 struct acm_wb { @@ -67,6 +67,8 @@ struct acm_wb { dma_addr_t dmah; int len; int use; + struct urb *urb; + struct acm *instance; }; struct acm_rb { @@ -88,7 +90,7 @@ struct acm { struct usb_interface *control; /* control interface */ struct usb_interface *data; /* data interface */ struct tty_struct *tty; /* the corresponding tty */ - struct urb *ctrlurb, *writeurb; /* urbs */ + struct urb *ctrlurb; /* urbs */ u8 *ctrl_buffer; /* buffers of urbs */ dma_addr_t ctrl_dma; /* dma handles of buffers */ u8 *country_codes; /* country codes from device */ @@ -103,7 +105,6 @@ struct acm { struct list_head spare_read_urbs; struct list_head spare_read_bufs; struct list_head filled_read_bufs; - int write_current; /* current write buffer */ int write_used; /* number of non-empty write buffers */ int write_ready; /* write urb is not running */ spinlock_t write_lock; |