diff options
| author | Oliver Neukum <oneukum@suse.com> | 2016-02-10 10:39:49 +0100 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2016-02-14 17:06:43 -0800 |
| commit | a81cf9799ad7299b03a4dff020d9685f9ac5f3e0 (patch) | |
| tree | 904ee27d3f009e5939d29de421875195d4d49a5c /drivers/usb/class/cdc-acm.h | |
| parent | ca1c3e6f81d4aa2d0665d004521beea7fd847316 (diff) | |
cdc-acm: implement put_char() and flush_chars()
This should cut down latencies and waste if the tty layer writes single bytes.
Signed-off-by: Oliver Neukum >oneukum@suse.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/usb/class/cdc-acm.h')
| -rw-r--r-- | drivers/usb/class/cdc-acm.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/usb/class/cdc-acm.h b/drivers/usb/class/cdc-acm.h index ccfaba9ab4e4..05ce308d5d2a 100644 --- a/drivers/usb/class/cdc-acm.h +++ b/drivers/usb/class/cdc-acm.h @@ -94,6 +94,7 @@ struct acm { unsigned long read_urbs_free; struct urb *read_urbs[ACM_NR]; struct acm_rb read_buffers[ACM_NR]; + struct acm_wb *putbuffer; /* for acm_tty_put_char() */ int rx_buflimit; int rx_endpoint; spinlock_t read_lock; |