56 	u16 csr;  in save_rx_toggle()  local
64 	csr = musb_readw(cppi41_channel->hw_ep->regs, MUSB_RXCSR);  in save_rx_toggle()
65 	toggle = csr & MUSB_RXCSR_H_DATATOGGLE ? 1 : 0;  in save_rx_toggle()
74 	u16 csr;  in update_rx_toggle()  local
83 	csr = musb_readw(hw_ep->regs, MUSB_RXCSR);  in update_rx_toggle()
84 	toggle = csr & MUSB_RXCSR_H_DATATOGGLE ? 1 : 0;  in update_rx_toggle()
92 		csr |= MUSB_RXCSR_H_DATATOGGLE | MUSB_RXCSR_H_WR_DATATOGGLE;  in update_rx_toggle()
93 		musb_writew(cppi41_channel->hw_ep->regs, MUSB_RXCSR, csr);  in update_rx_toggle()
105 	u16		csr;  in musb_is_tx_fifo_empty()  local
108 	csr = musb_readw(epio, MUSB_TXCSR);  in musb_is_tx_fifo_empty()
109 	if (csr & MUSB_TXCSR_TXPKTRDY)  in musb_is_tx_fifo_empty()
122 	u16 csr;  in cppi41_trans_done()  local
140 			csr = MUSB_TXCSR_MODE | MUSB_TXCSR_TXPKTRDY;  in cppi41_trans_done()
141 			musb_writew(epio, MUSB_TXCSR, csr);  in cppi41_trans_done()
178 			csr = musb_readw(epio, MUSB_RXCSR);  in cppi41_trans_done()
179 			csr |= MUSB_RXCSR_H_REQPKT;  in cppi41_trans_done()
180 			musb_writew(epio, MUSB_RXCSR, csr);  in cppi41_trans_done()
582 	u16 csr;  in cppi41_dma_channel_abort()  local
592 		csr = musb_readw(epio, MUSB_TXCSR);  in cppi41_dma_channel_abort()
593 		csr &= ~MUSB_TXCSR_DMAENAB;  in cppi41_dma_channel_abort()
594 		musb_writew(epio, MUSB_TXCSR, csr);  in cppi41_dma_channel_abort()
601 		csr = musb_readw(epio, MUSB_RXCSR);  in cppi41_dma_channel_abort()
602 		csr &= ~(MUSB_RXCSR_H_REQPKT | MUSB_RXCSR_DMAENAB);  in cppi41_dma_channel_abort()
603 		musb_writew(epio, MUSB_RXCSR, csr);  in cppi41_dma_channel_abort()
608 		csr = musb_readw(epio, MUSB_RXCSR);  in cppi41_dma_channel_abort()
609 		if (csr & MUSB_RXCSR_RXPKTRDY) {  in cppi41_dma_channel_abort()
610 			csr |= MUSB_RXCSR_FLUSHFIFO;  in cppi41_dma_channel_abort()
611 			musb_writew(epio, MUSB_RXCSR, csr);  in cppi41_dma_channel_abort()
612 			musb_writew(epio, MUSB_RXCSR, csr);  in cppi41_dma_channel_abort()
634 		csr = musb_readw(epio, MUSB_TXCSR);  in cppi41_dma_channel_abort()
635 		if (csr & MUSB_TXCSR_TXPKTRDY) {  in cppi41_dma_channel_abort()
636 			csr |= MUSB_TXCSR_FLUSHFIFO;  in cppi41_dma_channel_abort()
637 			musb_writew(epio, MUSB_TXCSR, csr);  in cppi41_dma_channel_abort()