145 static int spi_ppc4xx_txrx(struct spi_device *spi, struct spi_transfer *t)  in spi_ppc4xx_txrx()  argument
150 	dev_dbg(&spi->dev, "txrx: tx %p, rx %p, len %d\n",  in spi_ppc4xx_txrx()
153 	hw = spi_master_get_devdata(spi->master);  in spi_ppc4xx_txrx()
169 static int spi_ppc4xx_setupxfer(struct spi_device *spi, struct spi_transfer *t)  in spi_ppc4xx_setupxfer()  argument
171 	struct ppc4xx_spi *hw = spi_master_get_devdata(spi->master);  in spi_ppc4xx_setupxfer()
172 	struct spi_ppc4xx_cs *cs = spi->controller_state;  in spi_ppc4xx_setupxfer()
179 	bits_per_word = spi->bits_per_word;  in spi_ppc4xx_setupxfer()
180 	speed = spi->max_speed_hz;  in spi_ppc4xx_setupxfer()
191 			speed = min(t->speed_hz, spi->max_speed_hz);  in spi_ppc4xx_setupxfer()
194 	if (!speed || (speed > spi->max_speed_hz)) {  in spi_ppc4xx_setupxfer()
195 		dev_err(&spi->dev, "invalid speed_hz (%d)\n", speed);  in spi_ppc4xx_setupxfer()
208 	dev_dbg(&spi->dev, "setting pre-scaler to %d (hz %d)\n", cdm, speed);  in spi_ppc4xx_setupxfer()
215 		hw->bitbang.chipselect(spi, BITBANG_CS_INACTIVE);  in spi_ppc4xx_setupxfer()
223 static int spi_ppc4xx_setup(struct spi_device *spi)  in spi_ppc4xx_setup()  argument
225 	struct spi_ppc4xx_cs *cs = spi->controller_state;  in spi_ppc4xx_setup()
227 	if (!spi->max_speed_hz) {  in spi_ppc4xx_setup()
228 		dev_err(&spi->dev, "invalid max_speed_hz (must be non-zero)\n");  in spi_ppc4xx_setup()
236 		spi->controller_state = cs;  in spi_ppc4xx_setup()
245 	switch (spi->mode & (SPI_CPHA | SPI_CPOL)) {  in spi_ppc4xx_setup()
260 	if (spi->mode & SPI_LSB_FIRST)  in spi_ppc4xx_setup()
266 static void spi_ppc4xx_chipsel(struct spi_device *spi, int value)  in spi_ppc4xx_chipsel()  argument
268 	struct ppc4xx_spi *hw = spi_master_get_devdata(spi->master);  in spi_ppc4xx_chipsel()
269 	unsigned int cs = spi->chip_select;  in spi_ppc4xx_chipsel()
280 	cspol = spi->mode & SPI_CS_HIGH ? 1 : 0;  in spi_ppc4xx_chipsel()
348 static void spi_ppc4xx_cleanup(struct spi_device *spi)  in spi_ppc4xx_cleanup()  argument
350 	kfree(spi->controller_state);  in spi_ppc4xx_cleanup()