diff options
Diffstat (limited to 'drivers/usb/gadget/u_ether.c')
| -rw-r--r-- | drivers/usb/gadget/u_ether.c | 12 |
1 files changed, 7 insertions, 5 deletions
diff --git a/drivers/usb/gadget/u_ether.c b/drivers/usb/gadget/u_ether.c index b91363e88db..dfed4c1d96c 100644 --- a/drivers/usb/gadget/u_ether.c +++ b/drivers/usb/gadget/u_ether.c @@ -97,16 +97,17 @@ struct eth_dev { static unsigned qmult = 5; module_param(qmult, uint, S_IRUGO|S_IWUSR); -MODULE_PARM_DESC(qmult, "queue length multiplier at high speed"); +MODULE_PARM_DESC(qmult, "queue length multiplier at high/super speed"); #else /* full speed (low speed doesn't do bulk) */ #define qmult 1 #endif -/* for dual-speed hardware, use deeper queues at highspeed */ +/* for dual-speed hardware, use deeper queues at high/super speed */ static inline int qlen(struct usb_gadget *gadget) { - if (gadget_is_dualspeed(gadget) && gadget->speed == USB_SPEED_HIGH) + if (gadget_is_dualspeed(gadget) && (gadget->speed == USB_SPEED_HIGH || + gadget->speed == USB_SPEED_SUPER)) return qmult * DEFAULT_QLEN; else return DEFAULT_QLEN; @@ -598,9 +599,10 @@ static netdev_tx_t eth_start_xmit(struct sk_buff *skb, req->length = length; - /* throttle highspeed IRQ rate back slightly */ + /* throttle high/super speed IRQ rate back slightly */ if (gadget_is_dualspeed(dev->gadget)) - req->no_interrupt = (dev->gadget->speed == USB_SPEED_HIGH) + req->no_interrupt = (dev->gadget->speed == USB_SPEED_HIGH || + dev->gadget->speed == USB_SPEED_SUPER) ? ((atomic_read(&dev->tx_qlen) % qmult) != 0) : 0; |