diff --git a/sys/dev/sfxge/common/efx.h b/sys/dev/sfxge/common/efx.h
index 7fef3bb01a8..0e8f37e17d9 100644
--- a/sys/dev/sfxge/common/efx.h
+++ b/sys/dev/sfxge/common/efx.h
@@ -1510,13 +1510,13 @@ efx_bootcfg_copy_sector(
 extern				efx_rc_t
 efx_bootcfg_read(
 	__in			efx_nic_t *enp,
-	__out_bcount(size)	caddr_t data,
+	__out_bcount(size)	uint8_t *data,
 	__in			size_t size);
 
 extern				efx_rc_t
 efx_bootcfg_write(
 	__in			efx_nic_t *enp,
-	__in_bcount(size)	caddr_t data,
+	__in_bcount(size)	uint8_t *data,
 	__in			size_t size);
 
 #endif	/* EFSYS_OPT_BOOTCFG */
diff --git a/sys/dev/sfxge/common/efx_bootcfg.c b/sys/dev/sfxge/common/efx_bootcfg.c
index 90f76a7d252..2ed34063ddf 100644
--- a/sys/dev/sfxge/common/efx_bootcfg.c
+++ b/sys/dev/sfxge/common/efx_bootcfg.c
@@ -295,7 +295,7 @@ fail1:
 				efx_rc_t
 efx_bootcfg_read(
 	__in			efx_nic_t *enp,
-	__out_bcount(size)	caddr_t data,
+	__out_bcount(size)	uint8_t *data,
 	__in			size_t size)
 {
 	uint8_t *payload = NULL;
@@ -358,7 +358,7 @@ efx_bootcfg_read(
 		goto fail7;
 
 	/* Verify that the area is correctly formatted and checksummed */
-	rc = efx_bootcfg_verify(enp, (caddr_t)payload, sector_length,
+	rc = efx_bootcfg_verify(enp, payload, sector_length,
 	    &used_bytes);
 	if (rc != 0 || used_bytes == 0) {
 		payload[0] = (uint8_t)(~DHCP_END & 0xff);
@@ -435,7 +435,7 @@ fail1:
 				efx_rc_t
 efx_bootcfg_write(
 	__in			efx_nic_t *enp,
-	__in_bcount(size)	caddr_t data,
+	__in_bcount(size)	uint8_t *data,
 	__in			size_t size)
 {
 	uint8_t *partn_data;