901 	u16			rx_csr, tx_csr;  in musb_bulk_nak_timeout()  local
925 		tx_csr = musb_readw(epio, MUSB_TXCSR);  in musb_bulk_nak_timeout()
926 		tx_csr |= MUSB_TXCSR_H_WZC_BITS;  in musb_bulk_nak_timeout()
927 		tx_csr &= ~MUSB_TXCSR_H_NAKTIMEOUT;  in musb_bulk_nak_timeout()
928 		musb_writew(epio, MUSB_TXCSR, tx_csr);  in musb_bulk_nak_timeout()
1193 	u16			tx_csr;  in musb_host_tx()  local
1206 	tx_csr = musb_readw(epio, MUSB_TXCSR);  in musb_host_tx()
1210 		musb_dbg(musb, "extra TX%d ready, csr %04x", epnum, tx_csr);  in musb_host_tx()
1217 	musb_dbg(musb, "OUT/TX%d end, csr %04x%s", epnum, tx_csr,  in musb_host_tx()
1221 	if (tx_csr & MUSB_TXCSR_H_RXSTALL) {  in musb_host_tx()
1228 	} else if (tx_csr & MUSB_TXCSR_H_ERROR) {  in musb_host_tx()
1234 	} else if (tx_csr & MUSB_TXCSR_H_NAKTIMEOUT) {  in musb_host_tx()
1268 		tx_csr &= ~(MUSB_TXCSR_AUTOSET  in musb_host_tx()
1276 		musb_writew(epio, MUSB_TXCSR, tx_csr);  in musb_host_tx()
1278 		musb_writew(epio, MUSB_TXCSR, tx_csr);  in musb_host_tx()
1286 		musb_dbg(musb, "extra TX%d ready, csr %04x", epnum, tx_csr);  in musb_host_tx()
1299 		if (tx_csr & MUSB_TXCSR_DMAMODE) {  in musb_host_tx()
1316 			tx_csr &= musb_readw(epio, MUSB_TXCSR);  in musb_host_tx()
1317 			if (tx_csr & MUSB_TXCSR_TXPKTRDY) {  in musb_host_tx()
1318 				tx_csr &= ~(MUSB_TXCSR_DMAENAB |  in musb_host_tx()
1321 					    tx_csr | MUSB_TXCSR_H_WZC_BITS);  in musb_host_tx()
1323 			tx_csr &= ~(MUSB_TXCSR_DMAMODE |  in musb_host_tx()
1326 				    tx_csr | MUSB_TXCSR_H_WZC_BITS);  in musb_host_tx()
1334 			tx_csr = musb_readw(epio, MUSB_TXCSR);  in musb_host_tx()
1344 		if (tx_csr & (MUSB_TXCSR_FIFONOTEMPTY | MUSB_TXCSR_TXPKTRDY)) {  in musb_host_tx()
1347 				tx_csr);  in musb_host_tx()
1412 	} else	if (tx_csr & MUSB_TXCSR_DMAENAB) {  in musb_host_tx()