diff --git a/include/libopencm3/lpc43xx/gpdma.h b/include/libopencm3/lpc43xx/gpdma.h
index 7c91c6d4..b4b394ec 100644
--- a/include/libopencm3/lpc43xx/gpdma.h
+++ b/include/libopencm3/lpc43xx/gpdma.h
@@ -102,59 +102,60 @@ LGPL License Terms @ref lgpl_license
 /* Channel registers */
 
 /* Source Address Register */
-#define GPDMA_SRCADDR(channel)          MMIO32(channel + 0x000)
-#define GPDMA_C0SRCADDR                 GPDMA_SRCADDR(GPDMA_CHANNEL0)
-#define GPDMA_C1SRCADDR                 GPDMA_SRCADDR(GPDMA_CHANNEL1)
-#define GPDMA_C2SRCADDR                 GPDMA_SRCADDR(GPDMA_CHANNEL2)
-#define GPDMA_C3SRCADDR                 GPDMA_SRCADDR(GPDMA_CHANNEL3)
-#define GPDMA_C4SRCADDR                 GPDMA_SRCADDR(GPDMA_CHANNEL4)
-#define GPDMA_C5SRCADDR                 GPDMA_SRCADDR(GPDMA_CHANNEL5)
-#define GPDMA_C6SRCADDR                 GPDMA_SRCADDR(GPDMA_CHANNEL6)
-#define GPDMA_C7SRCADDR                 GPDMA_SRCADDR(GPDMA_CHANNEL7)
+#define GPDMA_CSRCADDR(channel)          MMIO32(channel + 0x000)
+#define GPDMA_C0SRCADDR                 GPDMA_CSRCADDR(GPDMA_CHANNEL0)
+#define GPDMA_C1SRCADDR                 GPDMA_CSRCADDR(GPDMA_CHANNEL1)
+#define GPDMA_C2SRCADDR                 GPDMA_CSRCADDR(GPDMA_CHANNEL2)
+#define GPDMA_C3SRCADDR                 GPDMA_CSRCADDR(GPDMA_CHANNEL3)
+#define GPDMA_C4SRCADDR                 GPDMA_CSRCADDR(GPDMA_CHANNEL4)
+#define GPDMA_C5SRCADDR                 GPDMA_CSRCADDR(GPDMA_CHANNEL5)
+#define GPDMA_C6SRCADDR                 GPDMA_CSRCADDR(GPDMA_CHANNEL6)
+#define GPDMA_C7SRCADDR                 GPDMA_CSRCADDR(GPDMA_CHANNEL7)
 
 /* Destination Address Register */
-#define GPDMA_DESTADDR(channel)         MMIO32(channel + 0x004)
-#define GPDMA_C0DESTADDR                GPDMA_DESTADDR(GPDMA_CHANNEL0)
-#define GPDMA_C1DESTADDR                GPDMA_DESTADDR(GPDMA_CHANNEL1)
-#define GPDMA_C2DESTADDR                GPDMA_DESTADDR(GPDMA_CHANNEL2)
-#define GPDMA_C3DESTADDR                GPDMA_DESTADDR(GPDMA_CHANNEL3)
-#define GPDMA_C4DESTADDR                GPDMA_DESTADDR(GPDMA_CHANNEL4)
-#define GPDMA_C5DESTADDR                GPDMA_DESTADDR(GPDMA_CHANNEL5)
-#define GPDMA_C6DESTADDR                GPDMA_DESTADDR(GPDMA_CHANNEL6)
-#define GPDMA_C7DESTADDR                GPDMA_DESTADDR(GPDMA_CHANNEL7)
+#define GPDMA_CDESTADDR(channel)         MMIO32(channel + 0x004)
+#define GPDMA_C0DESTADDR                GPDMA_CDESTADDR(GPDMA_CHANNEL0)
+#define GPDMA_C1DESTADDR                GPDMA_CDESTADDR(GPDMA_CHANNEL1)
+#define GPDMA_C2DESTADDR                GPDMA_CDESTADDR(GPDMA_CHANNEL2)
+#define GPDMA_C3DESTADDR                GPDMA_CDESTADDR(GPDMA_CHANNEL3)
+#define GPDMA_C4DESTADDR                GPDMA_CDESTADDR(GPDMA_CHANNEL4)
+#define GPDMA_C5DESTADDR                GPDMA_CDESTADDR(GPDMA_CHANNEL5)
+#define GPDMA_C6DESTADDR                GPDMA_CDESTADDR(GPDMA_CHANNEL6)
+#define GPDMA_C7DESTADDR                GPDMA_CDESTADDR(GPDMA_CHANNEL7)
 
 /* Linked List Item Register */
-#define GPDMA_LLI(channel)              MMIO32(channel + 0x008)
-#define GPDMA_C0LLI                     GPDMA_LLI(GPDMA_CHANNEL0)
-#define GPDMA_C1LLI                     GPDMA_LLI(GPDMA_CHANNEL1)
-#define GPDMA_C2LLI                     GPDMA_LLI(GPDMA_CHANNEL2)
-#define GPDMA_C3LLI                     GPDMA_LLI(GPDMA_CHANNEL3)
-#define GPDMA_C4LLI                     GPDMA_LLI(GPDMA_CHANNEL4)
-#define GPDMA_C5LLI                     GPDMA_LLI(GPDMA_CHANNEL5)
-#define GPDMA_C6LLI                     GPDMA_LLI(GPDMA_CHANNEL6)
-#define GPDMA_C7LLI                     GPDMA_LLI(GPDMA_CHANNEL7)
+#define GPDMA_CLLI(channel)              MMIO32(channel + 0x008)
+#define GPDMA_C0LLI                     GPDMA_CLLI(GPDMA_CHANNEL0)
+#define GPDMA_C1LLI                     GPDMA_CLLI(GPDMA_CHANNEL1)
+#define GPDMA_C2LLI                     GPDMA_CLLI(GPDMA_CHANNEL2)
+#define GPDMA_C3LLI                     GPDMA_CLLI(GPDMA_CHANNEL3)
+#define GPDMA_C4LLI                     GPDMA_CLLI(GPDMA_CHANNEL4)
+#define GPDMA_C5LLI                     GPDMA_CLLI(GPDMA_CHANNEL5)
+#define GPDMA_C6LLI                     GPDMA_CLLI(GPDMA_CHANNEL6)
+#define GPDMA_C7LLI                     GPDMA_CLLI(GPDMA_CHANNEL7)
 
 /* Control Register */
-#define GPDMA_CONTROL(channel)          MMIO32(channel + 0x00C)
-#define GPDMA_C0CONTROL                 GPDMA_CONTROL(GPDMA_CHANNEL0)
-#define GPDMA_C1CONTROL                 GPDMA_CONTROL(GPDMA_CHANNEL1)
-#define GPDMA_C2CONTROL                 GPDMA_CONTROL(GPDMA_CHANNEL2)
-#define GPDMA_C3CONTROL                 GPDMA_CONTROL(GPDMA_CHANNEL3)
-#define GPDMA_C4CONTROL                 GPDMA_CONTROL(GPDMA_CHANNEL4)
-#define GPDMA_C5CONTROL                 GPDMA_CONTROL(GPDMA_CHANNEL5)
-#define GPDMA_C6CONTROL                 GPDMA_CONTROL(GPDMA_CHANNEL6)
-#define GPDMA_C7CONTROL                 GPDMA_CONTROL(GPDMA_CHANNEL7)
+#define GPDMA_CCONTROL(channel)          MMIO32(channel + 0x00C)
+#define GPDMA_C0CONTROL                 GPDMA_CCONTROL(GPDMA_CHANNEL0)
+#define GPDMA_C1CONTROL                 GPDMA_CCONTROL(GPDMA_CHANNEL1)
+#define GPDMA_C2CONTROL                 GPDMA_CCONTROL(GPDMA_CHANNEL2)
+#define GPDMA_C3CONTROL                 GPDMA_CCONTROL(GPDMA_CHANNEL3)
+#define GPDMA_C4CONTROL                 GPDMA_CCONTROL(GPDMA_CHANNEL4)
+#define GPDMA_C5CONTROL                 GPDMA_CCONTROL(GPDMA_CHANNEL5)
+#define GPDMA_C6CONTROL                 GPDMA_CCONTROL(GPDMA_CHANNEL6)
+#define GPDMA_C7CONTROL                 GPDMA_CCONTROL(GPDMA_CHANNEL7)
 
 /* Configuration Register */
-#define GPDMA_CONFIG(channel)           MMIO32(channel + 0x010)
-#define GPDMA_C0CONFIG                  GPDMA_CONFIG(GPDMA_CHANNEL0)
-#define GPDMA_C1CONFIG                  GPDMA_CONFIG(GPDMA_CHANNEL1)
-#define GPDMA_C2CONFIG                  GPDMA_CONFIG(GPDMA_CHANNEL2)
-#define GPDMA_C3CONFIG                  GPDMA_CONFIG(GPDMA_CHANNEL3)
-#define GPDMA_C4CONFIG                  GPDMA_CONFIG(GPDMA_CHANNEL4)
-#define GPDMA_C5CONFIG                  GPDMA_CONFIG(GPDMA_CHANNEL5)
-#define GPDMA_C6CONFIG                  GPDMA_CONFIG(GPDMA_CHANNEL6)
-#define GPDMA_C7CONFIG                  GPDMA_CONFIG(GPDMA_CHANNEL7)
+#define GPDMA_CCONFIG(channel)         MMIO32(channel + 0x010)
+#define GPDMA_C0CONFIG                  GPDMA_CCONFIG(GPDMA_CHANNEL0)
+#define GPDMA_C1CONFIG                  GPDMA_CCONFIG(GPDMA_CHANNEL1)
+#define GPDMA_C2CONFIG                  GPDMA_CCONFIG(GPDMA_CHANNEL2)
+#define GPDMA_C3CONFIG                  GPDMA_CCONFIG(GPDMA_CHANNEL3)
+#define GPDMA_C4CONFIG                  GPDMA_CCONFIG(GPDMA_CHANNEL4)
+#define GPDMA_C5CONFIG                  GPDMA_CCONFIG(GPDMA_CHANNEL5)
+#define GPDMA_C6CONFIG                  GPDMA_CCONFIG(GPDMA_CHANNEL6)
+#define GPDMA_C7CONFIG                  GPDMA_CCONFIG(GPDMA_CHANNEL7)
+
 
 /**@}*/