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path: root/drivers/spi/spi.c
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Diffstat (limited to 'drivers/spi/spi.c')
-rw-r--r--drivers/spi/spi.c10
1 files changed, 3 insertions, 7 deletions
diff --git a/drivers/spi/spi.c b/drivers/spi/spi.c
index a2f01116ba09..6eb8583f5e40 100644
--- a/drivers/spi/spi.c
+++ b/drivers/spi/spi.c
@@ -822,14 +822,10 @@ struct spi_device *spi_new_device(struct spi_controller *ctlr,
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);