240  * data packets may be written to the FIFO for OUT transfers. More requests
241  * may be written to the non-periodic request queue for IN transfers. This
252  * packets may be written to the FIFO for OUT transfers. More requests may be
253  * written to the periodic request queue for IN transfers. This interrupt is
431  * For IN transfers where halt_status is DWC2_HC_XFER_COMPLETE, *short_read
537  * saved in the QH for non-control transfers and it's saved in the QTD for
538  * control transfers.
639 		 * urb->status is not used for isoc transfers. The individual  in dwc2_update_isoc_urb_state()
692  * dwc2_release_channel() - Releases a host channel for use by other transfers
738 		 * host channel and try to queue more transfers.  in dwc2_release_channel()
755 	 * Release the host channel for use by other transfers. The cleanup  in dwc2_release_channel()
787 	/* Try to queue more transfers now that there's a free channel */  in dwc2_release_channel()
859  * Performs common cleanup for non-periodic transfers after a Transfer
884 	 * more transfers. There may still be more phases for a control  in dwc2_complete_non_periodic_xfer()
894 		 * IN transfers in Slave mode require an explicit disable to  in dwc2_complete_non_periodic_xfer()
902 		 * transfers in Slave mode  in dwc2_complete_non_periodic_xfer()
909  * Performs common cleanup for periodic transfers after a Transfer Complete
1230 	 * Handle NAK for IN/OUT SSPLIT/CSPLIT transfers, bulk, control, and  in dwc2_hc_nak_intr()
1233 	 * Normally for non-periodic transfers we'll retry right away, but to  in dwc2_hc_nak_intr()
1243 	 * transfers for split transactions, so we only need to apply this  in dwc2_hc_nak_intr()
1266 			 * transfers in DMA mode for the sole purpose of  in dwc2_hc_nak_intr()
1275 		 * NAK interrupts normally occur during OUT transfers in DMA  in dwc2_hc_nak_intr()
1276 		 * or Slave mode. For IN transfers, more requests will be  in dwc2_hc_nak_intr()
1302 		/* Should never get called for isochronous transfers */  in dwc2_hc_nak_intr()
1445 				 * we've done all the transfers that  in dwc2_hc_nyet_intr()
1880 		 * says that on SPLIT-ISOC OUT transfers in DMA mode that a HALT  in dwc2_hc_chhltd_intr_dma()
1935 			 * Handle nak here for BULK/CONTROL OUT transfers, which  in dwc2_hc_chhltd_intr_dma()
1945 			 * Handle ack here for split transfers. Start splits  in dwc2_hc_chhltd_intr_dma()