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>

1 files changed, 1 insertions, 2 deletions

diff --git a/drivers/net/can/flexcan.c b/drivers/net/can/flexcan.c
index 69333416d661..6201c5a1a884 100644
--- 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;