e1000: ROUND_UP macro cleanup in drivers/net/e1000

E1000_ROUNDUP macro cleanup, use ALIGN
Signed-off-by: NMilind Arun Choudhary <milindchoudhary@gmail.com>
Signed-off-by: NAuke Kok <auke-jan.h.kok@intel.com>
Signed-off-by: NJeff Garzik <jeff@garzik.org>

drivers/net/e1000/e1000.h

@@ -155,9 +155,6 @@ struct e1000_adapter;
 /* Number of packet split data buffers (not including the header buffer) */
 #define PS_PAGE_BUFFERS MAX_PS_BUFFERS-1
 
-/* only works for sizes that are powers of 2 */
-#define E1000_ROUNDUP(i, size) ((i) = (((i) + (size) - 1) & ~((size) - 1)))
-
 /* wrapper around a pointer to a socket buffer,
  * so a DMA handle can be stored along with the buffer */
 struct e1000_buffer {

drivers/net/e1000/e1000_ethtool.c

@@ -683,12 +683,12 @@ e1000_set_ringparam(struct net_device *netdev,
 	rxdr->count = max(ring->rx_pending,(uint32_t)E1000_MIN_RXD);
 	rxdr->count = min(rxdr->count,(uint32_t)(mac_type < e1000_82544 ?
 		E1000_MAX_RXD : E1000_MAX_82544_RXD));
-	E1000_ROUNDUP(rxdr->count, REQ_RX_DESCRIPTOR_MULTIPLE);
+	rxdr->count = ALIGN(rxdr->count, REQ_RX_DESCRIPTOR_MULTIPLE);
 
 	txdr->count = max(ring->tx_pending,(uint32_t)E1000_MIN_TXD);
 	txdr->count = min(txdr->count,(uint32_t)(mac_type < e1000_82544 ?
 		E1000_MAX_TXD : E1000_MAX_82544_TXD));
-	E1000_ROUNDUP(txdr->count, REQ_TX_DESCRIPTOR_MULTIPLE);
+	txdr->count = ALIGN(txdr->count, REQ_TX_DESCRIPTOR_MULTIPLE);
 
 	for (i = 0; i < adapter->num_tx_queues; i++)
 		txdr[i].count = txdr->count;
@@ -1065,7 +1065,7 @@ e1000_setup_desc_rings(struct e1000_adapter *adapter)
 	}
 
 	txdr->size = txdr->count * sizeof(struct e1000_tx_desc);
-	E1000_ROUNDUP(txdr->size, 4096);
+	txdr->size = ALIGN(txdr->size, 4096);
 	if (!(txdr->desc = pci_alloc_consistent(pdev, txdr->size,
 	                                        &txdr->dma))) {
 		ret_val = 2;

drivers/net/e1000/e1000_main.c

@@ -748,9 +748,9 @@ e1000_reset(struct e1000_adapter *adapter)
 		               VLAN_TAG_SIZE;
 		min_tx_space = min_rx_space;
 		min_tx_space *= 2;
-		E1000_ROUNDUP(min_tx_space, 1024);
+		min_tx_space = ALIGN(min_tx_space, 1024);
 		min_tx_space >>= 10;
-		E1000_ROUNDUP(min_rx_space, 1024);
+		min_rx_space = ALIGN(min_rx_space, 1024);
 		min_rx_space >>= 10;
 
 		/* If current Tx allocation is less than the min Tx FIFO size,
@@ -1556,7 +1556,7 @@ e1000_setup_tx_resources(struct e1000_adapter *adapter,
 	/* round up to nearest 4K */
 
 	txdr->size = txdr->count * sizeof(struct e1000_tx_desc);
-	E1000_ROUNDUP(txdr->size, 4096);
+	txdr->size = ALIGN(txdr->size, 4096);
 
 	txdr->desc = pci_alloc_consistent(pdev, txdr->size, &txdr->dma);
 	if (!txdr->desc) {
@@ -1798,7 +1798,7 @@ e1000_setup_rx_resources(struct e1000_adapter *adapter,
 	/* Round up to nearest 4K */
 
 	rxdr->size = rxdr->count * desc_len;
-	E1000_ROUNDUP(rxdr->size, 4096);
+	rxdr->size = ALIGN(rxdr->size, 4096);
 
 	rxdr->desc = pci_alloc_consistent(pdev, rxdr->size, &rxdr->dma);
 
@@ -3170,7 +3170,7 @@ e1000_82547_fifo_workaround(struct e1000_adapter *adapter, struct sk_buff *skb)
 	uint32_t fifo_space = adapter->tx_fifo_size - adapter->tx_fifo_head;
 	uint32_t skb_fifo_len = skb->len + E1000_FIFO_HDR;
 
-	E1000_ROUNDUP(skb_fifo_len, E1000_FIFO_HDR);
+	skb_fifo_len = ALIGN(skb_fifo_len, E1000_FIFO_HDR);
 
 	if (adapter->link_duplex != HALF_DUPLEX)
 		goto no_fifo_stall_required;

drivers/net/e1000/e1000_param.c

@@ -305,7 +305,7 @@ e1000_check_options(struct e1000_adapter *adapter)
 		if (num_TxDescriptors > bd) {
 			tx_ring->count = TxDescriptors[bd];
 			e1000_validate_option(&tx_ring->count, &opt, adapter);
-			E1000_ROUNDUP(tx_ring->count,
+			tx_ring->count = ALIGN(tx_ring->count,
 						REQ_TX_DESCRIPTOR_MULTIPLE);
 		} else {
 			tx_ring->count = opt.def;
@@ -331,7 +331,7 @@ e1000_check_options(struct e1000_adapter *adapter)
 		if (num_RxDescriptors > bd) {
 			rx_ring->count = RxDescriptors[bd];
 			e1000_validate_option(&rx_ring->count, &opt, adapter);
-			E1000_ROUNDUP(rx_ring->count,
+			rx_ring->count = ALIGN(rx_ring->count,
 						REQ_RX_DESCRIPTOR_MULTIPLE);
 		} else {
 			rx_ring->count = opt.def;