static int ar71xx_spi_setup(struct spi_device *spi) { if (spi->bits_per_word > 32) return -EINVAL; return spi_bitbang_setup(spi); }
static int spi_stmpio_setup(struct spi_device *spi) { struct spi_stm_gpio *spi_st = spi_master_get_devdata(spi->master); dgb_print("\n"); if (spi->max_speed_hz > spi_st->max_speed_hz) { printk(KERN_ERR NAME " requested baud rate (%dhz) exceeds " "max (%dhz)\n", spi->max_speed_hz, spi_st->max_speed_hz); return -EINVAL; } return spi_bitbang_setup(spi); }
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); if (status && !spi->controller_state) ath79_spi_cleanup_cs(spi); return status; }
static int ar71xx_spi_setup(struct spi_device *spi) { int status; if (spi->bits_per_word > 32) return -EINVAL; if (!spi->controller_state) ar71xx_spi_setup_regs(spi); status = spi_bitbang_setup(spi); if (status && !spi->controller_state) ar71xx_spi_restore_regs(spi); return status; }