This patch fixes the following checkpatch warning:
| Macro argument 'x' may be better as '(x)' to avoid precedence issues
Fixes: cbffaf7aa09e ("can: flexcan: Always use last mailbox for TX")
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
#define FLEXCAN_TX_MB 63
#define FLEXCAN_RX_MB_OFF_TIMESTAMP_FIRST (FLEXCAN_TX_MB_RESERVED_OFF_TIMESTAMP + 1)
#define FLEXCAN_RX_MB_OFF_TIMESTAMP_LAST (FLEXCAN_TX_MB - 1)
-#define FLEXCAN_IFLAG_MB(x) BIT(x & 0x1f)
+#define FLEXCAN_IFLAG_MB(x) BIT((x) & 0x1f)
#define FLEXCAN_IFLAG_RX_FIFO_OVERFLOW BIT(7)
#define FLEXCAN_IFLAG_RX_FIFO_WARN BIT(6)
#define FLEXCAN_IFLAG_RX_FIFO_AVAILABLE BIT(5)