can: mcp251xfd: add missing _MASK postfix to MCP251XFD_OBJ_FLAGS_DLC

As MCP251XFD_OBJ_FLAGS_DLC is a mask, add the missing _MASK postfix,
that all other masks in the driver have.

Link: https://lore.kernel.org/r/20210128104644.2982125-7-mkl@pengutronix.deSigned-off-by: Marc Kleine-Budde <mkl@pengutronix.de>

drivers/net/can/spi/mcp251xfd/mcp251xfd-core.c

@@ -1465,7 +1465,7 @@ mcp251xfd_hw_rx_obj_to_skb(const struct mcp251xfd_priv *priv,
 					hw_rx_obj->id);
 	}
 
-	dlc = FIELD_GET(MCP251XFD_OBJ_FLAGS_DLC, hw_rx_obj->flags);
+	dlc = FIELD_GET(MCP251XFD_OBJ_FLAGS_DLC_MASK, hw_rx_obj->flags);
 
 	/* CANFD */
 	if (hw_rx_obj->flags & MCP251XFD_OBJ_FLAGS_FDF) {
@@ -2359,7 +2359,7 @@ mcp251xfd_tx_obj_from_skb(const struct mcp251xfd_priv *priv,
 				     priv->can.ctrlmode);
 	}
 
-	flags |= FIELD_PREP(MCP251XFD_OBJ_FLAGS_DLC, dlc);
+	flags |= FIELD_PREP(MCP251XFD_OBJ_FLAGS_DLC_MASK, dlc);
 
 	load_buf = &tx_obj->buf;
 	if (priv->devtype_data.quirks & MCP251XFD_QUIRK_CRC_TX)

drivers/net/can/spi/mcp251xfd/mcp251xfd.h

@@ -305,7 +305,7 @@
 #define MCP251XFD_OBJ_FLAGS_BRS BIT(6)
 #define MCP251XFD_OBJ_FLAGS_RTR BIT(5)
 #define MCP251XFD_OBJ_FLAGS_IDE BIT(4)
-#define MCP251XFD_OBJ_FLAGS_DLC GENMASK(3, 0)
+#define MCP251XFD_OBJ_FLAGS_DLC_MASK GENMASK(3, 0)
 
 #define MCP251XFD_REG_FRAME_EFF_SID_MASK GENMASK(28, 18)
 #define MCP251XFD_REG_FRAME_EFF_EID_MASK GENMASK(17, 0)