purelifi/plfxlc/usb.c

69 static void rx_urb_complete(struct urb *urb)
79 	if (!urb) {
80 		pr_err("urb is NULL\n");
83 	if (!urb->context) {
84 		pr_err("urb ctx is NULL\n");
87 	usb = urb->context;
95 	switch (urb->status) {
104 		dev_dbg(plfxlc_urb_dev(urb), "urb %p error %d\n", urb, urb->status);
107 		dev_dbg(plfxlc_urb_dev(urb), "urb %p error %d\n", urb, urb->status);
109 			dev_dbg(plfxlc_urb_dev(urb), "urb %p resubmit %d", urb,
113 			dev_dbg(plfxlc_urb_dev(urb), "urb %p  max resubmits reached", urb);
119 	buffer = urb->transfer_buffer;
123 	if (urb->actual_length != (PLF_MSG_STATUS_OFFSET + 1)) {
161 	r = usb_submit_urb(urb, GFP_ATOMIC);
163 		dev_dbg(plfxlc_urb_dev(urb), "urb %p resubmit fail (%d)\n", urb, r);
166 static struct urb *alloc_rx_urb(struct plfxlc_usb *usb)
169 	struct urb *urb;
172 	urb = usb_alloc_urb(0, GFP_KERNEL);
173 	if (!urb)
177 				    &urb->transfer_dma);
179 		usb_free_urb(urb);
183 	usb_fill_bulk_urb(urb, udev, usb_rcvbulkpipe(udev, EP_DATA_IN),
186 	urb->transfer_flags |= URB_NO_TRANSFER_DMA_MAP;
188 	return urb;
191 static void free_rx_urb(struct urb *urb)
193 	if (!urb)
195 	usb_free_coherent(urb->dev, urb->transfer_buffer_length,
196 			  urb->transfer_buffer, urb->transfer_dma);
197 	usb_free_urb(urb);
203 	struct urb **urbs;
207 	urbs = kcalloc(RX_URBS_COUNT, sizeof(struct urb *), GFP_KERNEL);
274 	struct urb **urbs;
338 void plfxlc_tx_urb_complete(struct urb *urb)
344 	skb = urb->context;
351 	switch (urb->status) {
360 		dev_dbg(plfxlc_urb_dev(urb), "urb %p error %d\n", urb, urb->status);
363 		dev_dbg(plfxlc_urb_dev(urb), "urb %p error %d\n", urb, urb->status);
367 	plfxlc_mac_tx_to_dev(skb, urb->status);
369 	usb_free_urb(urb);
496 	struct urb *urb;
499 	urb = usb_alloc_urb(0, GFP_ATOMIC);
500 	if (!urb)
502 	usb_fill_bulk_urb(urb, udev, usb_sndbulkpipe(udev, EP_DATA_OUT),
505 	r = usb_submit_urb(urb, GFP_ATOMIC);