109  * @tx_bytes:		Number of bytes left to transfer
235  * @transfer:	Pointer to the spi_transfer structure which provides
236  *		information about next transfer setup parameters
241  * is lower than the requested frequency (maximum lower) for the transfer. If
247 				       struct spi_transfer *transfer)  in cdns_spi_config_clock_freq()  argument
258 	if (xspi->speed_hz != transfer->speed_hz) {  in cdns_spi_config_clock_freq()
262 		       (frequency / (2 << baud_rate_val)) > transfer->speed_hz)  in cdns_spi_config_clock_freq()
274  * cdns_spi_setup_transfer - Configure SPI controller for specified transfer
276  * @transfer:	Pointer to the spi_transfer structure which provides
277  *		information about next transfer setup parameters
279  * Sets the operational mode of SPI controller for the next SPI transfer and
285 				   struct spi_transfer *transfer)  in cdns_spi_setup_transfer()  argument
289 	cdns_spi_config_clock_freq(spi, transfer);  in cdns_spi_setup_transfer()
334  * On Mode Fault interrupt this function indicates that transfer is completed,
351 		/* Indicate that transfer is completed, the SPI subsystem will  in cdns_spi_irq()
379 			/* Transfer is completed */  in cdns_spi_irq()
398  * cdns_transfer_one - Initiates the SPI transfer
401  * @transfer:	Pointer to the spi_transfer structure which provides
402  *		information about next transfer parameters
404  * This function fills the TX FIFO, starts the SPI transfer and
405  * returns a positive transfer count so that core will wait for completion.
407  * Return:	Number of bytes transferred in the last transfer
411 			     struct spi_transfer *transfer)  in cdns_transfer_one()  argument
415 	xspi->txbuf = transfer->tx_buf;  in cdns_transfer_one()
416 	xspi->rxbuf = transfer->rx_buf;  in cdns_transfer_one()
417 	xspi->tx_bytes = transfer->len;  in cdns_transfer_one()
418 	xspi->rx_bytes = transfer->len;  in cdns_transfer_one()
420 	cdns_spi_setup_transfer(spi, transfer);  in cdns_transfer_one()
422 	spi_transfer_delay_exec(transfer);  in cdns_transfer_one()
425 	return transfer->len;  in cdns_transfer_one()
429  * cdns_prepare_transfer_hardware - Prepares hardware for transfer.
447  * cdns_unprepare_transfer_hardware - Relaxes hardware after transfer