can: flexcan: replace open coded "mailbox code" by proper define

This patch replaces a open coded variant of a "mailbox code" definition by an
existing define, improves code readability.

Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>

diff --git a/drivers/net/can/flexcan.c b/drivers/net/can/flexcan.c
index 69333416d66132737558b7f274715995f8f388e6..6201c5a1a8845f2e3e68f3921a2fcae8e4469217 100644 (file)
--- a/drivers/net/can/flexcan.c
+++ b/drivers/net/can/flexcan.c
@@ -158,7 +158,6 @@
         FLEXCAN_IFLAG_BUF(FLEXCAN_TX_BUF_ID))
 
 /* FLEXCAN message buffers */
-#define FLEXCAN_MB_CNT_CODE(x)         (((x) & 0xf) << 24)
 #define FLEXCAN_MB_CODE_RX_INACTIVE    (0x0 << 24)
 #define FLEXCAN_MB_CODE_RX_EMPTY       (0x4 << 24)
 #define FLEXCAN_MB_CODE_RX_FULL                (0x2 << 24)
@@ -478,7 +477,7 @@ static int flexcan_start_xmit(struct sk_buff *skb, struct net_device *dev)
        struct flexcan_regs __iomem *regs = priv->base;
        struct can_frame *cf = (struct can_frame *)skb->data;
        u32 can_id;
-       u32 ctrl = FLEXCAN_MB_CNT_CODE(0xc) | (cf->can_dlc << 16);
+       u32 ctrl = FLEXCAN_MB_CODE_TX_DATA | (cf->can_dlc << 16);
 
        if (can_dropped_invalid_skb(dev, skb))
                return NETDEV_TX_OK;