powerpc/iommu: Update constant names to reflect their hardcoded page size

The powerpc iommu uses a hardcoded page size of 4K. This patch changes
the name of the IOMMU_PAGE_* macros to reflect the hardcoded values. A
future patch will use the existing names to support dynamic page
sizes.

Signed-off-by: Alistair Popple <alistair@popple.id.au>
Signed-off-by: Alexey Kardashevskiy <aik@ozlabs.ru>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>

1 files changed, 5 insertions, 4 deletions

diff --git a/drivers/net/ethernet/ibm/ibmveth.c b/drivers/net/ethernet/ibm/ibmveth.c
index 952d795230a4..f7d7538b6bd9 100644
--- a/drivers/net/ethernet/ibm/ibmveth.c
+++ b/drivers/net/ethernet/ibm/ibmveth.c
@@ -1282,24 +1282,25 @@ static unsigned long ibmveth_get_desired_dma(struct vio_dev *vdev)
 
         /* netdev inits at probe time along with the structures we need below*/
         if (netdev == NULL)
-                return IOMMU_PAGE_ALIGN(IBMVETH_IO_ENTITLEMENT_DEFAULT);
+                return IOMMU_PAGE_ALIGN_4K(IBMVETH_IO_ENTITLEMENT_DEFAULT);
 
         adapter = netdev_priv(netdev);
 
         ret = IBMVETH_BUFF_LIST_SIZE + IBMVETH_FILT_LIST_SIZE;
-        ret += IOMMU_PAGE_ALIGN(netdev->mtu);
+        ret += IOMMU_PAGE_ALIGN_4K(netdev->mtu);
 
         for (i = 0; i < IBMVETH_NUM_BUFF_POOLS; i++) {
                 /* add the size of the active receive buffers */
                 if (adapter->rx_buff_pool[i].active)
                         ret +=
                             adapter->rx_buff_pool[i].size *
-                            IOMMU_PAGE_ALIGN(adapter->rx_buff_pool[i].
+                            IOMMU_PAGE_ALIGN_4K(adapter->rx_buff_pool[i].
                                     buff_size);
                 rxqentries += adapter->rx_buff_pool[i].size;
         }
         /* add the size of the receive queue entries */
-        ret += IOMMU_PAGE_ALIGN(rxqentries * sizeof(struct ibmveth_rx_q_entry));
+        ret += IOMMU_PAGE_ALIGN_4K(
+                rxqentries * sizeof(struct ibmveth_rx_q_entry));
 
         return ret;
 }