[netdrvr] ibmlana: move away from legacy MCA API

Signed-off-by: Jeff Garzik <jgarzik@redhat.com>

1 files changed, 51 insertions, 68 deletions

diff --git a/drivers/net/ibmlana.c b/drivers/net/ibmlana.c
index 6969bf17588f..46e2c52c7862 100644
--- a/drivers/net/ibmlana.c
+++ b/drivers/net/ibmlana.c
@@ -83,7 +83,7 @@ History:
 #include <linux/interrupt.h>
 #include <linux/delay.h>
 #include <linux/time.h>
-#include <linux/mca-legacy.h>
+#include <linux/mca.h>
 #include <linux/module.h>
 #include <linux/netdevice.h>
 #include <linux/etherdevice.h>
@@ -161,13 +161,13 @@ static void PrTime(void)
 
 /* deduce resources out of POS registers */
 
-static void getaddrs(int slot, int *base, int *memlen, int *iobase,
-                     int *irq, ibmlana_medium * medium)
+static void getaddrs(struct mca_device *mdev, int *base, int *memlen,
+                     int *iobase, int *irq, ibmlana_medium *medium)
 {
         u_char pos0, pos1;
 
-        pos0 = mca_read_stored_pos(slot, 2);
-        pos1 = mca_read_stored_pos(slot, 3);
+        pos0 = mca_device_read_stored_pos(mdev, 2);
+        pos1 = mca_device_read_stored_pos(mdev, 3);
 
         *base = 0xc0000 + ((pos1 & 0xf0) << 9);
         *memlen = (pos1 & 0x01) ? 0x8000 : 0x4000;
@@ -744,6 +744,7 @@ static irqreturn_t irq_handler(int dummy, void *device)
 
 /* MCA info */
 
+#if 0 /* info available elsewhere, but this is kept for reference */
 static int ibmlana_getinfo(char *buf, int slot, void *d)
 {
         int len = 0, i;
@@ -771,6 +772,7 @@ static int ibmlana_getinfo(char *buf, int slot, void *d)
 
         return len;
 }
+#endif
 
 /* open driver.  Means also initialization and start of LANCE */
 
@@ -894,19 +896,26 @@ static int ibmlana_irq;
 static int ibmlana_io;
 static int startslot;           /* counts through slots when probing multiple devices */
 
-static int ibmlana_probe(struct net_device **dev_out)
+static short ibmlana_adapter_ids[] __initdata = {
+        IBM_LANA_ID,
+        0x0000
+};
+
+static char *ibmlana_adapter_names[] __initdata = {
+        "IBM LAN Adapter/A",
+        NULL
+};
+
+static int ibmlana_init_one(struct device *kdev)
 {
+        struct mca_device *mdev = to_mca_device(kdev);
         struct net_device *dev;
-        int slot, z, rc;
+        int slot = mdev->slot, z, rc;
         int base = 0, irq = 0, iobase = 0, memlen = 0;
         ibmlana_priv *priv;
         ibmlana_medium medium;
         DECLARE_MAC_BUF(mac);
 
-        /* can't work without an MCA bus ;-) */
-        if (MCA_bus == 0)
-                return -ENODEV;
-
         dev = alloc_etherdev(sizeof(ibmlana_priv));
         if (!dev)
                 return -ENOMEM;
@@ -917,25 +926,16 @@ static int ibmlana_probe(struct net_device **dev_out)
         base = dev->mem_start;
         irq = dev->irq;
 
-        for (slot = startslot; (slot = mca_find_adapter(IBM_LANA_ID, slot)) != -1; slot++) {
-                /* deduce card addresses */
-                getaddrs(slot, &base, &memlen, &iobase, &irq, &medium);
-
-                /* slot already in use ? */
-                if (mca_is_adapter_used(slot))
-                        continue;
-                /* were we looking for something different ? */
-                if (dev->irq && dev->irq != irq)
-                        continue;
-                if (dev->mem_start && dev->mem_start != base)
-                        continue;
-                /* found something that matches */
-                break;
-        }
+        /* deduce card addresses */
+        getaddrs(mdev, &base, &memlen, &iobase, &irq, &medium);
 
-        /* nothing found ? */
-        if (slot == -1) {
-                rc = (base != 0 || irq != 0) ? -ENXIO : -ENODEV;
+        /* were we looking for something different ? */
+        if (dev->irq && dev->irq != irq) {
+                rc = -ENODEV;
+                goto err_out;
+        }
+        if (dev->mem_start && dev->mem_start != base) {
+                rc = -ENODEV;
                 goto err_out;
         }
 
@@ -952,11 +952,10 @@ static int ibmlana_probe(struct net_device **dev_out)
 
         priv = netdev_priv(dev);
         priv->slot = slot;
-        priv->realirq = irq;
+        priv->realirq = mca_device_transform_irq(mdev, irq);
         priv->medium = medium;
         spin_lock_init(&priv->lock);
 
-
         /* set base + irq for this device (irq not allocated so far) */
 
         dev->irq = 0;
@@ -972,18 +971,14 @@ static int ibmlana_probe(struct net_device **dev_out)
                 goto err_out_reg;
         }
 
-        /* make procfs entries */
-        mca_set_adapter_name(slot, "IBM LAN Adapter/A");
-        mca_set_adapter_procfn(slot, (MCA_ProcFn) ibmlana_getinfo, dev);
-
-        mca_mark_as_used(slot);
+        mca_device_set_name(mdev, ibmlana_adapter_names[mdev->index]);
+        mca_device_set_claim(mdev, 1);
 
         /* set methods */
 
         dev->open = ibmlana_open;
         dev->stop = ibmlana_close;
         dev->hard_start_xmit = ibmlana_tx;
-        dev->do_ioctl = NULL;
         dev->set_multicast_list = ibmlana_set_multicast_list;
         dev->flags |= IFF_MULTICAST;
 
@@ -1013,13 +1008,11 @@ static int ibmlana_probe(struct net_device **dev_out)
         if (rc)
                 goto err_out_claimed;
 
-        *dev_out = dev;
+        dev_set_drvdata(kdev, dev);
         return 0;
 
 err_out_claimed:
-        mca_mark_as_unused(priv->slot);
-        mca_set_adapter_name(priv->slot, "");
-        mca_set_adapter_procfn(priv->slot, NULL, NULL);
+        mca_device_set_claim(mdev, 0);
         iounmap(priv->base);
 err_out_reg:
         release_region(iobase, IBM_LANA_IORANGE);
@@ -1028,59 +1021,49 @@ err_out:
         return rc;
 }
 
-static void ibmlana_remove_one(struct net_device *_dev)
+static int ibmlana_remove_one(struct device *kdev)
 {
-        struct net_device *dev = _dev;
+        struct mca_device *mdev = to_mca_device(kdev);
+        struct net_device *dev = dev_get_drvdata(kdev);
         ibmlana_priv *priv = netdev_priv(dev);
 
         unregister_netdev(dev);
         /*DeinitBoard(dev); */
         release_region(dev->base_addr, IBM_LANA_IORANGE);
-        mca_mark_as_unused(priv->slot);
-        mca_set_adapter_name(priv->slot, "");
-        mca_set_adapter_procfn(priv->slot, NULL, NULL);
+        mca_device_set_claim(mdev, 0);
         iounmap(priv->base);
         free_netdev(dev);
+        return 0;
 }
 
 /* ------------------------------------------------------------------------
  * modularization support
  * ------------------------------------------------------------------------ */
 
-#define DEVMAX 5
-
-static struct net_device *moddevs[DEVMAX];
-
 module_param_named(irq, ibmlana_irq, int, 0);
 module_param_named(io, ibmlana_io, int, 0);
 MODULE_PARM_DESC(irq, "IBM LAN/A IRQ number");
 MODULE_PARM_DESC(io, "IBM LAN/A I/O base address");
 MODULE_LICENSE("GPL");
 
+static struct mca_driver ibmlana_driver = {
+        .id_table = ibmlana_adapter_ids,
+        .driver = {
+                .name   = "ibmlana",
+                .bus    = &mca_bus_type,
+                .probe  = ibmlana_init_one,
+                .remove = ibmlana_remove_one,
+        },
+};
+
 static int __init ibmlana_init_module(void)
 {
-        int z;
-
-        startslot = 0;
-        for (z = 0; z < DEVMAX; z++) {
-                struct net_device *dev = NULL;
-
-                if (ibmlana_probe(&dev))
-                        break;
-
-                moddevs[z] = dev;
-        }
-        return (z > 0) ? 0 : -EIO;
+        return mca_register_driver(&ibmlana_driver);
 }
 
 static void __exit ibmlana_cleanup_module(void)
 {
-        int z;
-        for (z = 0; z < DEVMAX; z++) {
-                struct net_device *dev = moddevs[z];
-                if (dev)
-                        ibmlana_remove_one(dev);
-        }
+        mca_unregister_driver(&ibmlana_driver);
 }
 
 module_init(ibmlana_init_module);