ath79_spi_wr(sp, AR71XX_SPI_REG_FS, 0);
}
-static int ath79_spi_setup_cs(struct spi_device *spi)
-{
- struct ath79_spi *sp = ath79_spidev_to_sp(spi);
-
- if (!spi->cs_gpiod) {
- u32 cs_bit = AR71XX_SPI_IOC_CS(spi->chip_select);
-
- if (spi->mode & SPI_CS_HIGH)
- sp->ioc_base &= ~cs_bit;
- else
- sp->ioc_base |= cs_bit;
-
- ath79_spi_wr(sp, AR71XX_SPI_REG_IOC, sp->ioc_base);
- }
-
- return 0;
-}
-
-static int ath79_spi_setup(struct spi_device *spi)
-{
- int status = 0;
-
- if (!spi->controller_state) {
- status = ath79_spi_setup_cs(spi);
- if (status)
- return status;
- }
-
- status = spi_bitbang_setup(spi);
-
- return status;
-}
-
-static void ath79_spi_cleanup(struct spi_device *spi)
-{
- spi_bitbang_cleanup(spi);
-}
-
static u32 ath79_spi_txrx_mode0(struct spi_device *spi, unsigned int nsecs,
u32 word, u8 bits, unsigned flags)
{
master->use_gpio_descriptors = true;
master->bits_per_word_mask = SPI_BPW_RANGE_MASK(1, 32);
- master->setup = ath79_spi_setup;
- master->cleanup = ath79_spi_cleanup;
+ master->setup = spi_bitbang_setup;
+ master->cleanup = spi_bitbang_cleanup;
if (pdata) {
master->bus_num = pdata->bus_num;
master->num_chipselect = pdata->num_chipselect;
sp->bitbang.master = master;
sp->bitbang.chipselect = ath79_spi_chipselect;
sp->bitbang.txrx_word[SPI_MODE_0] = ath79_spi_txrx_mode0;
- sp->bitbang.setup_transfer = spi_bitbang_setup_transfer;
sp->bitbang.flags = SPI_CS_HIGH;
r = platform_get_resource(pdev, IORESOURCE_MEM, 0);