Merge git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb-2.6

* git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb-2.6: (120 commits)
  usb: don't update devnum for wusb devices
  wusb: make ep0_reinit available for modules
  wusb: devices dont use a set address
  wusb: teach choose_address() about wireless devices
  wusb: add link wusb-usb device
  wusb: add authenticathed bit to usb_dev
  USB: remove unnecessary type casting of urb->context
  usb serial: more fixes and groundwork for tty changes
  USB: replace remaining __FUNCTION__ occurrences
  USB: usbfs: export the URB_NO_INTERRUPT flag to userspace
  USB: fix compile problems in ehci-hcd
  USB: ehci: qh_completions cleanup and bugfix
  USB: cdc-acm: signedness fix
  USB: add documentation about callbacks
  USB: don't explicitly reenable root-hub status interrupts
  USB: OHCI: turn off RD when remote wakeup is disabled
  USB: HCDs use the do_remote_wakeup flag
  USB: g_file_storage: ignore bulk-out data after invalid CBW
  USB: serial: remove endpoints setting checks from core and header
  USB: serial: remove unneeded number endpoints settings
  ...

1 files changed, 4 insertions, 3 deletions

diff --git a/drivers/usb/class/cdc-acm.h b/drivers/usb/class/cdc-acm.h
index 8df6a57dcf9e..046e064b033a 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;