net: Remove NO_IRQ from powerpc-only network drivers

We'd like to eventually remove NO_IRQ on powerpc, so remove usages of it
from powerpc-only drivers.
Signed-off-by: NMichael Ellerman <mpe@ellerman.id.au>
Signed-off-by: NDavid S. Miller <davem@davemloft.net>

drivers/net/ethernet/freescale/fman/fman_mac.h

@@ -192,7 +192,7 @@ struct fman_mac_params {
 	/* A handle to the FM object this port related to */
 	void *fm;
 	/* MDIO exceptions interrupt source - not valid for all
-	 * MACs; MUST be set to 'NO_IRQ' for MACs that don't have
+	 * MACs; MUST be set to 0 for MACs that don't have
 	 * mdio-irq, or for polling
 	 */
 	void *dev_id; /* device cookie used by the exception cbs */

drivers/net/ethernet/freescale/fs_enet/mac-fcc.c

@@ -90,7 +90,7 @@ static int do_pd_setup(struct fs_enet_private *fep)
 	int ret = -EINVAL;
 
 	fep->interrupt = irq_of_parse_and_map(ofdev->dev.of_node, 0);
-	if (fep->interrupt == NO_IRQ)
+	if (!fep->interrupt)
 		goto out;
 
 	fep->fcc.fccp = of_iomap(ofdev->dev.of_node, 0);

drivers/net/ethernet/freescale/fs_enet/mac-fec.c

@@ -99,7 +99,7 @@ static int do_pd_setup(struct fs_enet_private *fep)
 	struct platform_device *ofdev = to_platform_device(fep->dev);
 
 	fep->interrupt = irq_of_parse_and_map(ofdev->dev.of_node, 0);
-	if (fep->interrupt == NO_IRQ)
+	if (!fep->interrupt)
 		return -EINVAL;
 
 	fep->fec.fecp = of_iomap(ofdev->dev.of_node, 0);

drivers/net/ethernet/freescale/fs_enet/mac-scc.c

@@ -99,7 +99,7 @@ static int do_pd_setup(struct fs_enet_private *fep)
 	struct platform_device *ofdev = to_platform_device(fep->dev);
 
 	fep->interrupt = irq_of_parse_and_map(ofdev->dev.of_node, 0);
-	if (fep->interrupt == NO_IRQ)
+	if (!fep->interrupt)
 		return -EINVAL;
 
 	fep->scc.sccp = of_iomap(ofdev->dev.of_node, 0);

drivers/net/ethernet/ibm/emac/core.c

@@ -2750,7 +2750,7 @@ static int emac_probe(struct platform_device *ofdev)
 	/* Get interrupts. EMAC irq is mandatory, WOL irq is optional */
 	dev->emac_irq = irq_of_parse_and_map(np, 0);
 	dev->wol_irq = irq_of_parse_and_map(np, 1);
-	if (dev->emac_irq == NO_IRQ) {
+	if (!dev->emac_irq) {
 		printk(KERN_ERR "%s: Can't map main interrupt\n", np->full_name);
 		goto err_free;
 	}
@@ -2913,9 +2913,9 @@ static int emac_probe(struct platform_device *ofdev)
  err_reg_unmap:
 	iounmap(dev->emacp);
  err_irq_unmap:
-	if (dev->wol_irq != NO_IRQ)
+	if (dev->wol_irq)
 		irq_dispose_mapping(dev->wol_irq);
-	if (dev->emac_irq != NO_IRQ)
+	if (dev->emac_irq)
 		irq_dispose_mapping(dev->emac_irq);
  err_free:
 	free_netdev(ndev);
@@ -2957,9 +2957,9 @@ static int emac_remove(struct platform_device *ofdev)
 	emac_dbg_unregister(dev);
 	iounmap(dev->emacp);
 
-	if (dev->wol_irq != NO_IRQ)
+	if (dev->wol_irq)
 		irq_dispose_mapping(dev->wol_irq);
-	if (dev->emac_irq != NO_IRQ)
+	if (dev->emac_irq)
 		irq_dispose_mapping(dev->emac_irq);
 
 	free_netdev(dev->ndev);

drivers/net/ethernet/ibm/emac/mal.c

@@ -597,9 +597,8 @@ static int mal_probe(struct platform_device *ofdev)
 		mal->rxde_irq = irq_of_parse_and_map(ofdev->dev.of_node, 4);
 	}
 
-	if (mal->txeob_irq == NO_IRQ || mal->rxeob_irq == NO_IRQ ||
-	    mal->serr_irq == NO_IRQ || mal->txde_irq == NO_IRQ ||
-	    mal->rxde_irq == NO_IRQ) {
+	if (!mal->txeob_irq || !mal->rxeob_irq || !mal->serr_irq ||
+	    !mal->txde_irq  || !mal->rxde_irq) {
 		printk(KERN_ERR
 		       "mal%d: failed to map interrupts !\n", index);
 		err = -ENODEV;

drivers/net/ethernet/ibm/ibmvnic.c

@@ -1424,7 +1424,7 @@ static int init_sub_crq_irqs(struct ibmvnic_adapter *adapter)
 		scrq = adapter->tx_scrq[i];
 		scrq->irq = irq_create_mapping(NULL, scrq->hw_irq);
 
-		if (scrq->irq == NO_IRQ) {
+		if (!scrq->irq) {
 			rc = -EINVAL;
 			dev_err(dev, "Error mapping irq\n");
 			goto req_tx_irq_failed;
@@ -1444,7 +1444,7 @@ static int init_sub_crq_irqs(struct ibmvnic_adapter *adapter)
 	for (i = 0; i < adapter->req_rx_queues; i++) {
 		scrq = adapter->rx_scrq[i];
 		scrq->irq = irq_create_mapping(NULL, scrq->hw_irq);
-		if (scrq->irq == NO_IRQ) {
+		if (!scrq->irq) {
 			rc = -EINVAL;
 			dev_err(dev, "Error mapping irq\n");
 			goto req_rx_irq_failed;

drivers/net/ethernet/toshiba/ps3_gelic_net.c

@@ -1791,7 +1791,7 @@ static int ps3_gelic_driver_probe(struct ps3_system_bus_device *dev)
 	gelic_card_free_chain(card, card->tx_chain.head);
 fail_alloc_tx:
 	free_irq(card->irq, card);
-	netdev->irq = NO_IRQ;
+	netdev->irq = 0;
 fail_request_irq:
 	ps3_sb_event_receive_port_destroy(dev, card->irq);
 fail_alloc_irq:
@@ -1843,7 +1843,7 @@ static int ps3_gelic_driver_remove(struct ps3_system_bus_device *dev)
 	netdev0 = card->netdev[GELIC_PORT_ETHERNET_0];
 	/* disconnect event port */
 	free_irq(card->irq, card);
-	netdev0->irq = NO_IRQ;
+	netdev0->irq = 0;
 	ps3_sb_event_receive_port_destroy(card->dev, card->irq);
 
 	wait_event(card->waitq,