23 	/** endpoint associated to the transfer */
25 	/** Transfer status */
27 	/** Transfer read/write buffer */
29 	/** Transfer buffer size */
33 	/** Transfer callback */
35 	/** Transfer caller private data */
37 	/** Transfer synchronization semaphore */
39 	/** Transfer read/write work */
41 	/** Transfer flags */
48 /* Transfer management */
82 		/* transfer cancelled or already completed */  in usb_transfer_work()
83 		LOG_DBG("Transfer cancelled or completed, ep 0x%02x", ep);  in usb_transfer_work()
95 			 * packet. Set USB_TRANS_NO_ZLP flag so the transfer  in usb_transfer_work()
98 			LOG_DBG("Transfer ZLP");  in usb_transfer_work()
104 			LOG_ERR("Transfer error %d, ep 0x%02x", ret, ep);  in usb_transfer_work()
105 			/* transfer error */  in usb_transfer_work()
117 			LOG_ERR("Transfer error %d, ep 0x%02x", ret, ep);  in usb_transfer_work()
118 			/* transfer error */  in usb_transfer_work()
129 			/* transfer complete */  in usb_transfer_work()
139 	if (trans->status != -EBUSY) { /* Transfer complete */  in usb_transfer_work()
150 		LOG_DBG("Transfer done, ep 0x%02x, status %d, size %zu",  in usb_transfer_work()
156 		/* Transfer completion callback */  in usb_transfer_work()
175 			 * transfer is ongoing, we have to consume the data  in usb_transfer_ep_callback()
186 			LOG_ERR("RX data lost, no transfer");  in usb_transfer_ep_callback()
206 	/* Parallel transfer to same endpoint is not supported. */  in usb_transfer()
211 	LOG_DBG("Transfer start, ep 0x%02x, data %p, dlen %zd",  in usb_transfer()
224 		LOG_ERR("No transfer slot available");  in usb_transfer()
230 		/* A transfer is already ongoing and not completed */  in usb_transfer()
231 		LOG_ERR("A transfer is already ongoing, ep 0x%02x", ep);  in usb_transfer()
237 	/* Configure new transfer */  in usb_transfer()
299 			LOG_DBG("Cancel transfer for ep: 0x%02x", trans->ep);  in usb_cancel_transfers()
326 	/* Semaphore will be released by the transfer completion callback */  in usb_transfer_sync()
332 /* Init transfer slots */