/* Set frame size (making an assumption that the supplied size is supported by this controller) @s slave @bt frame size  */
static int spi_m2s_hw_bt_set(struct m2s_spi_dsc *s, int bt)
/* Set frame size (making an assumption that the supplied size is supported by this controller) @s slave @bt frame size  */
static int spi_m2s_hw_bt_set(struct m2s_spi_dsc *s, int bt)
{
	int ret = 0;
	M2S_SPI(s)->control &= ~SPI_CONTROL_ENABLE;
	M2S_SPI(s)->txrxdf_size = bt;
	M2S_SPI(s)->control |= SPI_CONTROL_ENABLE;
	return ret;
}