935 	u16			rx_csr, tx_csr;  in musb_bulk_nak_timeout()  local
958 		tx_csr = musb_readw(epio, MUSB_TXCSR);  in musb_bulk_nak_timeout()
959 		tx_csr |= MUSB_TXCSR_H_WZC_BITS;  in musb_bulk_nak_timeout()
960 		tx_csr &= ~MUSB_TXCSR_H_NAKTIMEOUT;  in musb_bulk_nak_timeout()
961 		musb_writew(epio, MUSB_TXCSR, tx_csr);  in musb_bulk_nak_timeout()
1225 	u16			tx_csr;  in musb_host_tx()  local
1238 	tx_csr = musb_readw(epio, MUSB_TXCSR);  in musb_host_tx()
1242 		musb_dbg(musb, "extra TX%d ready, csr %04x", epnum, tx_csr);  in musb_host_tx()
1249 	musb_dbg(musb, "OUT/TX%d end, csr %04x%s", epnum, tx_csr,  in musb_host_tx()
1253 	if (tx_csr & MUSB_TXCSR_H_RXSTALL) {  in musb_host_tx()
1260 	} else if (tx_csr & MUSB_TXCSR_H_ERROR) {  in musb_host_tx()
1266 	} else if (tx_csr & MUSB_TXCSR_H_NAKTIMEOUT) {  in musb_host_tx()
1300 		tx_csr &= ~(MUSB_TXCSR_AUTOSET  in musb_host_tx()
1308 		musb_writew(epio, MUSB_TXCSR, tx_csr);  in musb_host_tx()
1310 		musb_writew(epio, MUSB_TXCSR, tx_csr);  in musb_host_tx()
1318 		musb_dbg(musb, "extra TX%d ready, csr %04x", epnum, tx_csr);  in musb_host_tx()
1331 		if (tx_csr & MUSB_TXCSR_DMAMODE) {  in musb_host_tx()
1348 			tx_csr &= musb_readw(epio, MUSB_TXCSR);  in musb_host_tx()
1349 			if (tx_csr & MUSB_TXCSR_TXPKTRDY) {  in musb_host_tx()
1350 				tx_csr &= ~(MUSB_TXCSR_DMAENAB |  in musb_host_tx()
1353 					    tx_csr | MUSB_TXCSR_H_WZC_BITS);  in musb_host_tx()
1355 			tx_csr &= ~(MUSB_TXCSR_DMAMODE |  in musb_host_tx()
1358 				    tx_csr | MUSB_TXCSR_H_WZC_BITS);  in musb_host_tx()
1366 			tx_csr = musb_readw(epio, MUSB_TXCSR);  in musb_host_tx()
1376 		if (tx_csr & (MUSB_TXCSR_FIFONOTEMPTY | MUSB_TXCSR_TXPKTRDY)) {  in musb_host_tx()
1379 				tx_csr);  in musb_host_tx()
1444 	} else	if (tx_csr & MUSB_TXCSR_DMAENAB) {  in musb_host_tx()