netdev - [PATCH net-next 13/48] can: rcar

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Message-ID: <20250924082104.595459-14-mkl@pengutronix.de>
Date: Wed, 24 Sep 2025 10:06:30 +0200
From: Marc Kleine-Budde <mkl@...gutronix.de>
To: netdev@...r.kernel.org
Cc: davem@...emloft.net,
	kuba@...nel.org,
	linux-can@...r.kernel.org,
	kernel@...gutronix.de,
	Geert Uytterhoeven <geert+renesas@...der.be>,
	Marc Kleine-Budde <mkl@...gutronix.de>
Subject: [PATCH net-next 13/48] can: rcar_can: Convert to GENMASK()

From: Geert Uytterhoeven <geert+renesas@...der.be>

Use the GENMASK() macro instead of open-coding the same operation.

Signed-off-by: Geert Uytterhoeven <geert+renesas@...der.be>
Link: https://patch.msgid.link/3f947f0f91a8857a2cbce74807e42258e9f209ca.1755857536.git.geert+renesas@glider.be
Signed-off-by: Marc Kleine-Budde <mkl@...gutronix.de>
---
 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 c47ee4e41eb6..7b94224bbc9b 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 */
-- 
2.51.0