sunlance: Convert to pure OF driver.
David S. Miller [Wed, 27 Aug 2008 07:07:53 +0000 (00:07 -0700)]
Signed-off-by: David S. Miller <davem@davemloft.net>

drivers/net/sunlance.c

index 6575888..292feb2 100644 (file)
@@ -92,6 +92,8 @@ static char lancestr[] = "LANCE";
 #include <linux/ethtool.h>
 #include <linux/bitops.h>
 #include <linux/dma-mapping.h>
+#include <linux/of.h>
+#include <linux/of_device.h>
 
 #include <asm/system.h>
 #include <asm/io.h>
@@ -99,7 +101,6 @@ static char lancestr[] = "LANCE";
 #include <asm/pgtable.h>
 #include <asm/byteorder.h>     /* Used by the checksum routines */
 #include <asm/idprom.h>
-#include <asm/sbus.h>
 #include <asm/prom.h>
 #include <asm/auxio.h>         /* For tpe-link-test? setting */
 #include <asm/irq.h>
@@ -264,7 +265,8 @@ struct lance_private {
        char                   *name;
        dma_addr_t              init_block_dvma;
        struct net_device      *dev;              /* Backpointer        */
-       struct sbus_dev        *sdev;
+       struct of_device       *op;
+       struct of_device       *lebuffer;
        struct timer_list       multicast_timer;
 };
 
@@ -1273,7 +1275,7 @@ static void lance_set_multicast_retry(unsigned long _opaque)
 static void lance_free_hwresources(struct lance_private *lp)
 {
        if (lp->lregs)
-               sbus_iounmap(lp->lregs, LANCE_REG_SIZE);
+               of_iounmap(&lp->op->resource[0], lp->lregs, LANCE_REG_SIZE);
        if (lp->dregs) {
                struct of_device *ledma = lp->ledma;
 
@@ -1281,10 +1283,10 @@ static void lance_free_hwresources(struct lance_private *lp)
                           resource_size(&ledma->resource[0]));
        }
        if (lp->init_block_iomem) {
-               sbus_iounmap(lp->init_block_iomem,
-                            sizeof(struct lance_init_block));
+               of_iounmap(&lp->lebuffer->resource[0], lp->init_block_iomem,
+                          sizeof(struct lance_init_block));
        } else if (lp->init_block_mem) {
-               dma_free_coherent(&lp->sdev->ofdev.dev,
+               dma_free_coherent(&lp->op->dev,
                                  sizeof(struct lance_init_block),
                                  lp->init_block_mem,
                                  lp->init_block_dvma);
@@ -1294,12 +1296,8 @@ static void lance_free_hwresources(struct lance_private *lp)
 /* Ethtool support... */
 static void sparc_lance_get_drvinfo(struct net_device *dev, struct ethtool_drvinfo *info)
 {
-       struct lance_private *lp = netdev_priv(dev);
-
        strcpy(info->driver, "sunlance");
        strcpy(info->version, "2.02");
-       sprintf(info->bus_info, "SBUS:%d",
-               lp->sdev->slot);
 }
 
 static u32 sparc_lance_get_link(struct net_device *dev)
@@ -1315,16 +1313,16 @@ static const struct ethtool_ops sparc_lance_ethtool_ops = {
        .get_link               = sparc_lance_get_link,
 };
 
-static int __devinit sparc_lance_probe_one(struct sbus_dev *sdev,
+static int __devinit sparc_lance_probe_one(struct of_device *op,
                                           struct of_device *ledma,
-                                          struct sbus_dev *lebuffer)
+                                          struct of_device *lebuffer)
 {
+       struct device_node *dp = op->node;
        static unsigned version_printed;
-       struct device_node *dp = sdev->ofdev.node;
-       struct net_device *dev;
        struct lance_private *lp;
-       int    i;
+       struct net_device *dev;
        DECLARE_MAC_BUF(mac);
+       int    i;
 
        dev = alloc_etherdev(sizeof(struct lance_private) + 8);
        if (!dev)
@@ -1345,8 +1343,8 @@ static int __devinit sparc_lance_probe_one(struct sbus_dev *sdev,
                dev->dev_addr[i] = idprom->id_ethaddr[i];
 
        /* Get the IO region */
-       lp->lregs = sbus_ioremap(&sdev->resource[0], 0,
-                                LANCE_REG_SIZE, lancestr);
+       lp->lregs = of_ioremap(&op->resource[0], 0,
+                              LANCE_REG_SIZE, lancestr);
        if (!lp->lregs) {
                printk(KERN_ERR "SunLance: Cannot map registers.\n");
                goto fail;
@@ -1364,7 +1362,8 @@ static int __devinit sparc_lance_probe_one(struct sbus_dev *sdev,
                }
        }
 
-       lp->sdev = sdev;
+       lp->op = op;
+       lp->lebuffer = lebuffer;
        if (lebuffer) {
                /* sanity check */
                if (lebuffer->resource[0].start & 7) {
@@ -1372,8 +1371,8 @@ static int __devinit sparc_lance_probe_one(struct sbus_dev *sdev,
                        goto fail;
                }
                lp->init_block_iomem =
-                       sbus_ioremap(&lebuffer->resource[0], 0,
-                                    sizeof(struct lance_init_block), "lebuffer");
+                       of_ioremap(&lebuffer->resource[0], 0,
+                                  sizeof(struct lance_init_block), "lebuffer");
                if (!lp->init_block_iomem) {
                        printk(KERN_ERR "SunLance: Cannot map PIO buffer.\n");
                        goto fail;
@@ -1385,10 +1384,10 @@ static int __devinit sparc_lance_probe_one(struct sbus_dev *sdev,
                lp->tx = lance_tx_pio;
        } else {
                lp->init_block_mem =
-                       dma_alloc_coherent(&sdev->ofdev.dev,
+                       dma_alloc_coherent(&op->dev,
                                           sizeof(struct lance_init_block),
                                           &lp->init_block_dvma, GFP_ATOMIC);
-               if (!lp->init_block_mem || lp->init_block_dvma == 0) {
+               if (!lp->init_block_mem) {
                        printk(KERN_ERR "SunLance: Cannot allocate consistent DMA memory.\n");
                        goto fail;
                }
@@ -1407,8 +1406,9 @@ static int __devinit sparc_lance_probe_one(struct sbus_dev *sdev,
        lp->burst_sizes = 0;
        if (lp->ledma) {
                struct device_node *ledma_dp = ledma->node;
-               const char *prop;
+               struct device_node *sbus_dp;
                unsigned int sbmask;
+               const char *prop;
                u32 csr;
 
                /* Find burst-size property for ledma */
@@ -1416,7 +1416,8 @@ static int __devinit sparc_lance_probe_one(struct sbus_dev *sdev,
                                                        "burst-sizes", 0);
 
                /* ledma may be capable of fast bursts, but sbus may not. */
-               sbmask = of_getintprop_default(ledma_dp, "burst-sizes",
+               sbus_dp = ledma_dp->parent;
+               sbmask = of_getintprop_default(sbus_dp, "burst-sizes",
                                               DMA_BURSTBITS);
                lp->burst_sizes &= sbmask;
 
@@ -1463,7 +1464,7 @@ no_link_test:
                lp->dregs = NULL;
 
        lp->dev = dev;
-       SET_NETDEV_DEV(dev, &sdev->ofdev.dev);
+       SET_NETDEV_DEV(dev, &op->dev);
        dev->open = &lance_open;
        dev->stop = &lance_close;
        dev->hard_start_xmit = &lance_start_xmit;
@@ -1472,9 +1473,7 @@ no_link_test:
        dev->set_multicast_list = &lance_set_multicast;
        dev->ethtool_ops = &sparc_lance_ethtool_ops;
 
-       dev->irq = sdev->irqs[0];
-
-       dev->dma = 0;
+       dev->irq = op->irqs[0];
 
        /* We cannot sleep if the chip is busy during a
         * multicast list update event, because such events
@@ -1490,7 +1489,7 @@ no_link_test:
                goto fail;
        }
 
-       dev_set_drvdata(&sdev->ofdev.dev, lp);
+       dev_set_drvdata(&op->dev, lp);
 
        printk(KERN_INFO "%s: LANCE %s\n",
               dev->name, print_mac(mac, dev->dev_addr));
@@ -1540,31 +1539,25 @@ static int __exit sunlance_sun4_remove(void)
 
 #else /* !CONFIG_SUN4 */
 
-static int __devinit sunlance_sbus_probe(struct of_device *dev, const struct of_device_id *match)
+static int __devinit sunlance_sbus_probe(struct of_device *op, const struct of_device_id *match)
 {
-       struct sbus_dev *sdev = to_sbus_device(&dev->dev);
+       struct of_device *parent = to_of_device(op->dev.parent);
+       struct device_node *parent_dp = parent->node;
        int err;
 
-       if (sdev->parent) {
-               struct device_node *parent_node = sdev->parent->ofdev.node;
-               struct of_device *parent;
-
-               parent = of_find_device_by_node(parent_node);
-               if (parent && !strcmp(parent->node->name, "ledma")) {
-                       err = sparc_lance_probe_one(sdev, parent, NULL);
-               } else if (parent && !strcmp(parent->node->name, "lebuffer")) {
-                       err = sparc_lance_probe_one(sdev, NULL, to_sbus_device(&parent->dev));
-               } else
-                       err = sparc_lance_probe_one(sdev, NULL, NULL);
+       if (!strcmp(parent_dp->name, "ledma")) {
+               err = sparc_lance_probe_one(op, parent, NULL);
+       } else if (!strcmp(parent_dp->name, "lebuffer")) {
+               err = sparc_lance_probe_one(op, NULL, parent);
        } else
-               err = sparc_lance_probe_one(sdev, NULL, NULL);
+               err = sparc_lance_probe_one(op, NULL, NULL);
 
        return err;
 }
 
-static int __devexit sunlance_sbus_remove(struct of_device *dev)
+static int __devexit sunlance_sbus_remove(struct of_device *op)
 {
-       struct lance_private *lp = dev_get_drvdata(&dev->dev);
+       struct lance_private *lp = dev_get_drvdata(&op->dev);
        struct net_device *net_dev = lp->dev;
 
        unregister_netdev(net_dev);
@@ -1573,7 +1566,7 @@ static int __devexit sunlance_sbus_remove(struct of_device *dev)
 
        free_netdev(net_dev);
 
-       dev_set_drvdata(&dev->dev, NULL);
+       dev_set_drvdata(&op->dev, NULL);
 
        return 0;
 }
@@ -1598,7 +1591,7 @@ static struct of_platform_driver sunlance_sbus_driver = {
 /* Find all the lance cards on the system and initialize them */
 static int __init sparc_lance_init(void)
 {
-       return of_register_driver(&sunlance_sbus_driver, &sbus_bus_type);
+       return of_register_driver(&sunlance_sbus_driver, &of_bus_type);
 }
 #endif /* !CONFIG_SUN4 */