-#define ATMEL_SPI_SR_RDRF (1 << 0)
-#define ATMEL_SPI_SR_TDRE (1 << 1)
-#define ATMEL_SPI_SR_MODF (1 << 2)
-#define ATMEL_SPI_SR_OVRES (1 << 3)
-#define ATMEL_SPI_SR_ENDRX (1 << 4)
-#define ATMEL_SPI_SR_ENDTX (1 << 5)
-#define ATMEL_SPI_SR_RXBUFF (1 << 6)
-#define ATMEL_SPI_SR_TXBUFE (1 << 7)
-#define ATMEL_SPI_SR_NSSR (1 << 8)
-#define ATMEL_SPI_SR_TXEMPTY (1 << 9)
-#define ATMEL_SPI_SR_SPIENS (1 << 16)
+#define ATMEL_SPI_SR_RDRF BIT(0)
+#define ATMEL_SPI_SR_TDRE BIT(1)
+#define ATMEL_SPI_SR_MODF BIT(2)
+#define ATMEL_SPI_SR_OVRES BIT(3)
+#define ATMEL_SPI_SR_ENDRX BIT(4)
+#define ATMEL_SPI_SR_ENDTX BIT(5)
+#define ATMEL_SPI_SR_RXBUFF BIT(6)
+#define ATMEL_SPI_SR_TXBUFE BIT(7)
+#define ATMEL_SPI_SR_NSSR BIT(8)
+#define ATMEL_SPI_SR_TXEMPTY BIT(9)
+#define ATMEL_SPI_SR_SPIENS BIT(16)