struct spi_flash *spi_flash_probe(unsigned int busnum, unsigned int cs,
unsigned int max_hz, unsigned int spi_mode)
{
struct spi_slave *bus;
struct spi_flash *flash;
bus = spi_setup_slave(busnum, cs, max_hz, spi_mode);
if (!bus)
return NULL;
/* Allocate space if needed (not used by sf-uclass */
flash = calloc(1, sizeof(*flash));
if (!flash) {
debug("SF: Failed to allocate spi_flash\n");
return NULL;
}
flash->spi = bus;
if (spi_flash_probe_slave(flash)) {
spi_free_slave(bus);
free(flash);
return NULL;
}
return flash;
}
static int spi_flash_std_probe(struct udevice *dev)
{
struct spi_slave *slave = dev_get_parent_priv(dev);
struct dm_spi_slave_platdata *plat = dev_get_parent_platdata(dev);
struct spi_flash *flash;
flash = dev_get_uclass_priv(dev);
flash->dev = dev;
flash->spi = slave;
debug("%s: slave=%p, cs=%d\n", __func__, slave, plat->cs);
return spi_flash_probe_slave(flash);
}
static struct spi_flash *spi_flash_probe_tail(struct spi_slave *bus)
{
struct spi_flash *flash;
/* Allocate space if needed (not used by sf-uclass */
flash = calloc(1, sizeof(*flash));
if (!flash) {
debug("SF: Failed to allocate spi_flash\n");
return NULL;
}
flash->spi = bus;
if (spi_flash_probe_slave(flash)) {
spi_free_slave(bus);
free(flash);
return NULL;
}
return flash;
}