Use the GENMASK() macro instead of open-coding the same operation.
Signed-off-by: Geert Uytterhoeven <geert+renesas@xxxxxxxxx>
---
drivers/net/can/rcar/rcar_can.c | 8 ++++----
1 file changed, 4 insertions(+), 4 deletions(-)
diff --git a/drivers/net/can/rcar/rcar_can.c b/drivers/net/can/rcar/rcar_can.c
index 01e64a8b56e39be1..7f0b58793cf1734b 100644
--- a/drivers/net/can/rcar/rcar_can.c
+++ b/drivers/net/can/rcar/rcar_can.c
@@ -114,16 +114,16 @@ static const struct can_bittiming_const rcar_can_bittiming_const = {
};
/* Control Register bits */
-#define RCAR_CAN_CTLR_BOM (3 << 11) /* Bus-Off Recovery Mode Bits */
+#define RCAR_CAN_CTLR_BOM GENMASK(12, 11) /* Bus-Off Recovery Mode Bits */
#define RCAR_CAN_CTLR_BOM_ENT (1 << 11) /* Entry to halt mode */
/* at bus-off entry */
#define RCAR_CAN_CTLR_SLPM BIT(10) /* Sleep Mode */
-#define RCAR_CAN_CTLR_CANM (3 << 8) /* Operating Mode Select Bit */
+#define RCAR_CAN_CTLR_CANM GENMASK(9, 8) /* Operating Mode Select Bit */
#define RCAR_CAN_CTLR_CANM_HALT (1 << 9)
#define RCAR_CAN_CTLR_CANM_RESET (1 << 8)
#define RCAR_CAN_CTLR_CANM_FORCE_RESET (3 << 8)
#define RCAR_CAN_CTLR_MLM BIT(3) /* Message Lost Mode Select */
-#define RCAR_CAN_CTLR_IDFM (3 << 1) /* ID Format Mode Select Bits */
+#define RCAR_CAN_CTLR_IDFM GENMASK(2, 1) /* ID Format Mode Select Bits */
#define RCAR_CAN_CTLR_IDFM_MIXED (1 << 2) /* Mixed ID mode */
#define RCAR_CAN_CTLR_MBM BIT(0) /* Mailbox Mode select */
@@ -139,7 +139,7 @@ static const struct can_bittiming_const rcar_can_bittiming_const = {
#define RCAR_CAN_RFCR_RFE BIT(0) /* Receive FIFO Enable */
/* Transmit FIFO Control Register bits */
-#define RCAR_CAN_TFCR_TFUST (7 << 1) /* Transmit FIFO Unsent Message */
+#define RCAR_CAN_TFCR_TFUST GENMASK(3, 1) /* Transmit FIFO Unsent Message */
/* Number Status Bits */
#define RCAR_CAN_TFCR_TFUST_SHIFT 1 /* Offset of Transmit FIFO Unsent */
/* Message Number Status Bits */
--
2.43.0
