proxy->controller_data = chip->controller_data;
proxy->controller_state = NULL;
/*
- * spi->chip_select[i] gives the corresponding physical CS for logical CS i
- * logical CS number is represented by setting the ith bit in spi->cs_index_mask
- * So, for example, if spi->cs_index_mask = 0x01 then logical CS number is 0 and
- * spi->chip_select[0] will give the physical CS.
- * By default spi->chip_select[0] will hold the physical CS number so, set
- * spi->cs_index_mask as 0x01.
+ * By default spi->chip_select[0] will hold the physical CS number,
+ * so set bit 0 in spi->cs_index_mask.
*/
- proxy->cs_index_mask = 0x01;
+ proxy->cs_index_mask = BIT(0);
if (chip->swnode) {
status = device_add_software_node(&proxy->dev, chip->swnode);