diff options
Diffstat (limited to 'drivers/usb/class/cdc-acm.c')
| -rw-r--r-- | drivers/usb/class/cdc-acm.c | 9 |
1 files changed, 4 insertions, 5 deletions
diff --git a/drivers/usb/class/cdc-acm.c b/drivers/usb/class/cdc-acm.c index b3d5a23ab56f..0a69c0977e3f 100644 --- a/drivers/usb/class/cdc-acm.c +++ b/drivers/usb/class/cdc-acm.c @@ -546,10 +546,6 @@ static int acm_tty_open(struct tty_struct *tty, struct file *filp) tty->driver_data = acm; acm->tty = tty; - /* force low_latency on so that our tty_push actually forces the data through, - otherwise it is scheduled, and with high data rates data can get lost. */ - tty->low_latency = 1; - if (usb_autopm_get_interface(acm->control) < 0) goto early_bail; else @@ -1358,6 +1354,9 @@ static struct usb_device_id acm_ids[] = { { USB_DEVICE(0x079b, 0x000f), /* BT On-Air USB MODEM */ .driver_info = NO_UNION_NORMAL, /* has no union descriptor */ }, + { USB_DEVICE(0x0ace, 0x1602), /* ZyDAS 56K USB MODEM */ + .driver_info = SINGLE_RX_URB, + }, { USB_DEVICE(0x0ace, 0x1608), /* ZyDAS 56K USB MODEM */ .driver_info = SINGLE_RX_URB, /* firmware bug */ }, @@ -1493,4 +1492,4 @@ module_exit(acm_exit); MODULE_AUTHOR( DRIVER_AUTHOR ); MODULE_DESCRIPTION( DRIVER_DESC ); MODULE_LICENSE("GPL"); - +MODULE_ALIAS_CHARDEV_MAJOR(ACM_TTY_MAJOR); |