161 					 struct spi_device *spi,  in bcm2835_spi_transfer_one_poll()  argument
197 					struct spi_device *spi,  in bcm2835_spi_transfer_one_irq()  argument
209 	if (gpio_is_valid(spi->cs_gpio)) {  in bcm2835_spi_transfer_one_irq()
233 				    struct spi_device *spi,  in bcm2835_spi_transfer_one()  argument
261 	if ((spi->mode & SPI_3WIRE) && (tfr->rx_buf))  in bcm2835_spi_transfer_one()
270 	if (gpio_is_valid(spi->cs_gpio) || (spi->mode & SPI_NO_CS))  in bcm2835_spi_transfer_one()
286 		return bcm2835_spi_transfer_one_poll(master, spi, tfr,  in bcm2835_spi_transfer_one()
289 	return bcm2835_spi_transfer_one_irq(master, spi, tfr, cs);  in bcm2835_spi_transfer_one()
295 	struct spi_device *spi = msg->spi;  in bcm2835_spi_prepare_message()  local
301 	if (spi->mode & SPI_CPOL)  in bcm2835_spi_prepare_message()
303 	if (spi->mode & SPI_CPHA)  in bcm2835_spi_prepare_message()
317 static void bcm2835_spi_set_cs(struct spi_device *spi, bool gpio_level)  in bcm2835_spi_set_cs()  argument
329 	struct spi_master *master = spi->master;  in bcm2835_spi_set_cs()
335 	enable = (spi->mode & SPI_CS_HIGH) ? gpio_level : !gpio_level;  in bcm2835_spi_set_cs()
338 	if (spi->mode & SPI_CS_HIGH) {  in bcm2835_spi_set_cs()
341 		cs |= BCM2835_SPI_CS_CSPOL0 << spi->chip_select;  in bcm2835_spi_set_cs()
345 		cs &= ~(BCM2835_SPI_CS_CSPOL0 << spi->chip_select);  in bcm2835_spi_set_cs()
351 		if (spi->mode & SPI_NO_CS) {  in bcm2835_spi_set_cs()
357 			cs |= spi->chip_select;  in bcm2835_spi_set_cs()
375 static int bcm2835_spi_setup(struct spi_device *spi)  in bcm2835_spi_setup()  argument
382 	if (spi->mode & SPI_NO_CS)  in bcm2835_spi_setup()
384 	if (gpio_is_valid(spi->cs_gpio))  in bcm2835_spi_setup()
386 	if (spi->chip_select > 1) {  in bcm2835_spi_setup()
391 		dev_err(&spi->dev,  in bcm2835_spi_setup()
403 	spi->cs_gpio = chip->base + 8 - spi->chip_select;  in bcm2835_spi_setup()
406 	dev_info(&spi->dev, "setting up native-CS%i as GPIO %i\n",  in bcm2835_spi_setup()
407 		 spi->chip_select, spi->cs_gpio);  in bcm2835_spi_setup()
410 	err = gpio_direction_output(spi->cs_gpio,  in bcm2835_spi_setup()
411 				    (spi->mode & SPI_CS_HIGH) ? 0 : 1);  in bcm2835_spi_setup()
413 		dev_err(&spi->dev,  in bcm2835_spi_setup()
415 			spi->chip_select, spi->cs_gpio, err);  in bcm2835_spi_setup()
422 	gpio_set_value(spi->cs_gpio, (spi->mode & SPI_CS_HIGH) ? 0 : 1);  in bcm2835_spi_setup()