5 files changed, 24 insertions, 26 deletions

diff --git a/sys/dev/agp/agp_ali.c b/sys/dev/agp/agp_ali.c
index f6ecd78f3261..09ebb2bdb6da 100644
--- a/sys/dev/agp/agp_ali.c
+++ b/sys/dev/agp/agp_ali.c
@@ -206,11 +206,11 @@ agp_ali_set_aperture(device_t dev, u_int32_t aperture)
 }
 
 static int
-agp_ali_bind_page(device_t dev, int offset, vm_offset_t physical)
+agp_ali_bind_page(device_t dev, vm_offset_t offset, vm_offset_t physical)
 {
 	struct agp_ali_softc *sc = device_get_softc(dev);
 
-	if (offset < 0 || offset >= (sc->gatt->ag_entries << AGP_PAGE_SHIFT))
+	if (offset >= (sc->gatt->ag_entries << AGP_PAGE_SHIFT))
 		return EINVAL;
 
 	sc->gatt->ag_virtual[offset >> AGP_PAGE_SHIFT] = physical;
@@ -218,11 +218,11 @@ agp_ali_bind_page(device_t dev, int offset, vm_offset_t physical)
 }
 
 static int
-agp_ali_unbind_page(device_t dev, int offset)
+agp_ali_unbind_page(device_t dev, vm_offset_t offset)
 {
 	struct agp_ali_softc *sc = device_get_softc(dev);
 
-	if (offset < 0 || offset >= (sc->gatt->ag_entries << AGP_PAGE_SHIFT))
+	if (offset >= (sc->gatt->ag_entries << AGP_PAGE_SHIFT))
 		return EINVAL;
 
 	sc->gatt->ag_virtual[offset >> AGP_PAGE_SHIFT] = 0;
diff --git a/sys/dev/agp/agp_amd.c b/sys/dev/agp/agp_amd.c
index e0cb6799963d..fabb9b13472c 100644
--- a/sys/dev/agp/agp_amd.c
+++ b/sys/dev/agp/agp_amd.c
@@ -342,11 +342,11 @@ agp_amd_set_aperture(device_t dev, u_int32_t aperture)
 }
 
 static int
-agp_amd_bind_page(device_t dev, int offset, vm_offset_t physical)
+agp_amd_bind_page(device_t dev, vm_offset_t offset, vm_offset_t physical)
 {
 	struct agp_amd_softc *sc = device_get_softc(dev);
 
-	if (offset < 0 || offset >= (sc->gatt->ag_entries << AGP_PAGE_SHIFT))
+	if (offset >= (sc->gatt->ag_entries << AGP_PAGE_SHIFT))
 		return EINVAL;
 
 	sc->gatt->ag_virtual[offset >> AGP_PAGE_SHIFT] = physical | 1;
@@ -357,11 +357,11 @@ agp_amd_bind_page(device_t dev, int offset, vm_offset_t physical)
 }
 
 static int
-agp_amd_unbind_page(device_t dev, int offset)
+agp_amd_unbind_page(device_t dev, vm_offset_t offset)
 {
 	struct agp_amd_softc *sc = device_get_softc(dev);
 
-	if (offset < 0 || offset >= (sc->gatt->ag_entries << AGP_PAGE_SHIFT))
+	if (offset >= (sc->gatt->ag_entries << AGP_PAGE_SHIFT))
 		return EINVAL;
 
 	sc->gatt->ag_virtual[offset >> AGP_PAGE_SHIFT] = 0;
diff --git a/sys/dev/agp/agp_ati.c b/sys/dev/agp/agp_ati.c
index 05022f29361a..4c56df13ca39 100644
--- a/sys/dev/agp/agp_ati.c
+++ b/sys/dev/agp/agp_ati.c
@@ -315,11 +315,11 @@ agp_ati_set_aperture(device_t dev, u_int32_t aperture)
 }
 
 static int
-agp_ati_bind_page(device_t dev, int offset, vm_offset_t physical)
+agp_ati_bind_page(device_t dev, vm_offset_t offset, vm_offset_t physical)
 {
 	struct agp_ati_softc *sc = device_get_softc(dev);
 
-	if (offset < 0 || offset >= (sc->ag_entries << AGP_PAGE_SHIFT))
+	if (offset >= (sc->ag_entries << AGP_PAGE_SHIFT))
 		return EINVAL;
 
 	sc->ag_virtual[offset >> AGP_PAGE_SHIFT] = physical | 1;
@@ -328,11 +328,11 @@ agp_ati_bind_page(device_t dev, int offset, vm_offset_t physical)
 }
 
 static int
-agp_ati_unbind_page(device_t dev, int offset)
+agp_ati_unbind_page(device_t dev, vm_offset_t offset)
 {
 	struct agp_ati_softc *sc = device_get_softc(dev);
 
-	if (offset < 0 || offset >= (sc->ag_entries << AGP_PAGE_SHIFT))
+	if (offset >= (sc->ag_entries << AGP_PAGE_SHIFT))
 		return EINVAL;
 
 	sc->ag_virtual[offset >> AGP_PAGE_SHIFT] = 0;
diff --git a/sys/dev/agp/agp_nvidia.c b/sys/dev/agp/agp_nvidia.c
index 9aa082c5a90f..105f8a6ff827 100644
--- a/sys/dev/agp/agp_nvidia.c
+++ b/sys/dev/agp/agp_nvidia.c
@@ -90,8 +90,8 @@ static int agp_nvidia_attach(device_t);
 static int agp_nvidia_detach(device_t);
 static u_int32_t agp_nvidia_get_aperture(device_t);
 static int agp_nvidia_set_aperture(device_t, u_int32_t);
-static int agp_nvidia_bind_page(device_t, int, vm_offset_t);
-static int agp_nvidia_unbind_page(device_t, int);
+static int agp_nvidia_bind_page(device_t, vm_offset_t, vm_offset_t);
+static int agp_nvidia_unbind_page(device_t, vm_offset_t);
 
 static int nvidia_init_iorr(u_int32_t, u_int32_t);
 
@@ -312,12 +312,12 @@ agp_nvidia_set_aperture(device_t dev, u_int32_t aperture)
 }
 
 static int
-agp_nvidia_bind_page(device_t dev, int offset, vm_offset_t physical)
+agp_nvidia_bind_page(device_t dev, vm_offset_t offset, vm_offset_t physical)
 {
 	struct agp_nvidia_softc *sc = device_get_softc(dev);
 	u_int32_t index;
 
-	if (offset < 0 || offset >= (sc->gatt->ag_entries << AGP_PAGE_SHIFT))
+	if (offset >= (sc->gatt->ag_entries << AGP_PAGE_SHIFT))
 		return (EINVAL);
 
 	index = (sc->pg_offset + offset) >> AGP_PAGE_SHIFT;
@@ -327,12 +327,12 @@ agp_nvidia_bind_page(device_t dev, int offset, vm_offset_t physical)
 }
 
 static int
-agp_nvidia_unbind_page(device_t dev, int offset)
+agp_nvidia_unbind_page(device_t dev, vm_offset_t offset)
 {
 	struct agp_nvidia_softc *sc = device_get_softc(dev);
 	u_int32_t index;
 
-	if (offset < 0 || offset >= (sc->gatt->ag_entries << AGP_PAGE_SHIFT))
+	if (offset >= (sc->gatt->ag_entries << AGP_PAGE_SHIFT))
 		return (EINVAL);
 
 	index = (sc->pg_offset + offset) >> AGP_PAGE_SHIFT;
@@ -341,8 +341,8 @@ agp_nvidia_unbind_page(device_t dev, int offset)
 	return (0);
 }
 
-static int
-agp_nvidia_flush_tlb (device_t dev, int offset)
+static void
+agp_nvidia_flush_tlb (device_t dev)
 {
 	struct agp_nvidia_softc *sc;
 	u_int32_t wbc_reg, temp;
@@ -378,8 +378,6 @@ agp_nvidia_flush_tlb (device_t dev, int offset)
 		temp = ag_virtual[i * PAGE_SIZE / sizeof(u_int32_t)];
 	for(i = 0; i < pages; i++)
 		temp = ag_virtual[i * PAGE_SIZE / sizeof(u_int32_t)];
-
-	return (0);
 }
 
 #define	SYSCFG		0xC0010010
diff --git a/sys/dev/agp/agp_sis.c b/sys/dev/agp/agp_sis.c
index f85fa116ab23..e8f542bfe306 100644
--- a/sys/dev/agp/agp_sis.c
+++ b/sys/dev/agp/agp_sis.c
@@ -227,11 +227,11 @@ agp_sis_set_aperture(device_t dev, u_int32_t aperture)
 }
 
 static int
-agp_sis_bind_page(device_t dev, int offset, vm_offset_t physical)
+agp_sis_bind_page(device_t dev, vm_offset_t offset, vm_offset_t physical)
 {
 	struct agp_sis_softc *sc = device_get_softc(dev);
 
-	if (offset < 0 || offset >= (sc->gatt->ag_entries << AGP_PAGE_SHIFT))
+	if (offset >= (sc->gatt->ag_entries << AGP_PAGE_SHIFT))
 		return EINVAL;
 
 	sc->gatt->ag_virtual[offset >> AGP_PAGE_SHIFT] = physical;
@@ -239,11 +239,11 @@ agp_sis_bind_page(device_t dev, int offset, vm_offset_t physical)
 }
 
 static int
-agp_sis_unbind_page(device_t dev, int offset)
+agp_sis_unbind_page(device_t dev, vm_offset_t offset)
 {
 	struct agp_sis_softc *sc = device_get_softc(dev);
 
-	if (offset < 0 || offset >= (sc->gatt->ag_entries << AGP_PAGE_SHIFT))
+	if (offset >= (sc->gatt->ag_entries << AGP_PAGE_SHIFT))
 		return EINVAL;
 
 	sc->gatt->ag_virtual[offset >> AGP_PAGE_SHIFT] = 0;