diff --git a/drivers/infiniband/hw/ipath/ipath_driver.c b/drivers/infiniband/hw/ipath/ipath_driver.c
index cf40cf2d1fbb..291d4ea69a40 100644
--- a/drivers/infiniband/hw/ipath/ipath_driver.c
+++ b/drivers/infiniband/hw/ipath/ipath_driver.c
@@ -1804,29 +1804,6 @@ int ipath_set_lid(struct ipath_devdata *dd, u32 arg, u8 lmc)
 	return 0;
 }
 
-/**
- * ipath_read_kreg64_port - read a device's per-port 64-bit kernel register
- * @dd: the infinipath device
- * @regno: the register number to read
- * @port: the port containing the register
- *
- * Registers that vary with the chip implementation constants (port)
- * use this routine.
- */
-u64 ipath_read_kreg64_port(const struct ipath_devdata *dd, ipath_kreg regno,
-			   unsigned port)
-{
-	u16 where;
-
-	if (port < dd->ipath_portcnt &&
-	    (regno == dd->ipath_kregs->kr_rcvhdraddr ||
-	     regno == dd->ipath_kregs->kr_rcvhdrtailaddr))
-		where = regno + port;
-	else
-		where = -1;
-
-	return ipath_read_kreg64(dd, where);
-}
 
 /**
  * ipath_write_kreg_port - write a device's per-port 64-bit kernel register
diff --git a/drivers/infiniband/hw/ipath/ipath_iba6110.c b/drivers/infiniband/hw/ipath/ipath_iba6110.c
index 993482545021..b50436c56638 100644
--- a/drivers/infiniband/hw/ipath/ipath_iba6110.c
+++ b/drivers/infiniband/hw/ipath/ipath_iba6110.c
@@ -208,8 +208,8 @@ static const struct ipath_kregs ipath_ht_kregs = {
 	.kr_serdesstatus = IPATH_KREG_OFFSET(SerdesStatus),
 	.kr_xgxsconfig = IPATH_KREG_OFFSET(XGXSConfig),
 	/*
-	 * These should not be used directly via ipath_read_kreg64(),
-	 * use them with ipath_read_kreg64_port(),
+	 * These should not be used directly via ipath_write_kreg64(),
+	 * use them with ipath_write_kreg64_port(),
 	 */
 	.kr_rcvhdraddr = IPATH_KREG_OFFSET(RcvHdrAddr0),
 	.kr_rcvhdrtailaddr = IPATH_KREG_OFFSET(RcvHdrTailAddr0)
diff --git a/drivers/infiniband/hw/ipath/ipath_iba6120.c b/drivers/infiniband/hw/ipath/ipath_iba6120.c
index 05918e1e7c36..5c50383880f2 100644
--- a/drivers/infiniband/hw/ipath/ipath_iba6120.c
+++ b/drivers/infiniband/hw/ipath/ipath_iba6120.c
@@ -207,8 +207,8 @@ static const struct ipath_kregs ipath_pe_kregs = {
 	.kr_ibpllcfg = IPATH_KREG_OFFSET(IBPLLCfg),
 
 	/*
-	 * These should not be used directly via ipath_read_kreg64(),
-	 * use them with ipath_read_kreg64_port()
+	 * These should not be used directly via ipath_write_kreg64(),
+	 * use them with ipath_write_kreg64_port(),
 	 */
 	.kr_rcvhdraddr = IPATH_KREG_OFFSET(RcvHdrAddr0),
 	.kr_rcvhdrtailaddr = IPATH_KREG_OFFSET(RcvHdrTailAddr0),
diff --git a/drivers/infiniband/hw/ipath/ipath_kernel.h b/drivers/infiniband/hw/ipath/ipath_kernel.h
index a2162853f5be..5428c2619ba9 100644
--- a/drivers/infiniband/hw/ipath/ipath_kernel.h
+++ b/drivers/infiniband/hw/ipath/ipath_kernel.h
@@ -756,8 +756,6 @@ int ipath_eeprom_write(struct ipath_devdata *, u8, const void *, int);
 /* these are used for the registers that vary with port */
 void ipath_write_kreg_port(const struct ipath_devdata *, ipath_kreg,
 			   unsigned, u64);
-u64 ipath_read_kreg64_port(const struct ipath_devdata *, ipath_kreg,
-			   unsigned);
 
 /*
  * We could have a single register get/put routine, that takes a group type,