55 static inline struct ath79_spi *ath79_spidev_to_sp(struct spi_device *spi)  in ath79_spidev_to_sp()  argument
57 	return spi_master_get_devdata(spi->master);  in ath79_spidev_to_sp()
66 static void ath79_spi_chipselect(struct spi_device *spi, int is_active)  in ath79_spi_chipselect()  argument
68 	struct ath79_spi *sp = ath79_spidev_to_sp(spi);  in ath79_spi_chipselect()
69 	int cs_high = (spi->mode & SPI_CS_HIGH) ? is_active : !is_active;  in ath79_spi_chipselect()
73 		if (spi->mode & SPI_CPOL)  in ath79_spi_chipselect()
81 	if (spi->chip_select) {  in ath79_spi_chipselect()
83 		gpio_set_value(spi->cs_gpio, cs_high);  in ath79_spi_chipselect()
116 static int ath79_spi_setup_cs(struct spi_device *spi)  in ath79_spi_setup_cs()  argument
118 	struct ath79_spi *sp = ath79_spidev_to_sp(spi);  in ath79_spi_setup_cs()
121 	if (spi->chip_select && !gpio_is_valid(spi->cs_gpio))  in ath79_spi_setup_cs()
125 	if (spi->chip_select) {  in ath79_spi_setup_cs()
129 		if (spi->mode & SPI_CS_HIGH)  in ath79_spi_setup_cs()
134 		status = gpio_request_one(spi->cs_gpio, flags,  in ath79_spi_setup_cs()
135 					  dev_name(&spi->dev));  in ath79_spi_setup_cs()
137 		if (spi->mode & SPI_CS_HIGH)  in ath79_spi_setup_cs()
148 static void ath79_spi_cleanup_cs(struct spi_device *spi)  in ath79_spi_cleanup_cs()  argument
150 	if (spi->chip_select) {  in ath79_spi_cleanup_cs()
151 		gpio_free(spi->cs_gpio);  in ath79_spi_cleanup_cs()
155 static int ath79_spi_setup(struct spi_device *spi)  in ath79_spi_setup()  argument
159 	if (!spi->controller_state) {  in ath79_spi_setup()
160 		status = ath79_spi_setup_cs(spi);  in ath79_spi_setup()
165 	status = spi_bitbang_setup(spi);  in ath79_spi_setup()
166 	if (status && !spi->controller_state)  in ath79_spi_setup()
167 		ath79_spi_cleanup_cs(spi);  in ath79_spi_setup()
172 static void ath79_spi_cleanup(struct spi_device *spi)  in ath79_spi_cleanup()  argument
174 	ath79_spi_cleanup_cs(spi);  in ath79_spi_cleanup()
175 	spi_bitbang_cleanup(spi);  in ath79_spi_cleanup()
178 static u32 ath79_spi_txrx_mode0(struct spi_device *spi, unsigned nsecs,  in ath79_spi_txrx_mode0()  argument
181 	struct ath79_spi *sp = ath79_spidev_to_sp(spi);  in ath79_spi_txrx_mode0()