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net/macsonic: Convert to nubus_driver
This resolves an old issue preventing any NuBus SONIC NICs from working in a Mac with an on-board SONIC device. Tested-by: Stan Johnson <userm57@yahoo.com> Signed-off-by: Finn Thain <fthain@telegraphics.com.au> Signed-off-by: David S. Miller <davem@davemloft.net>
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a94cf2a614
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0d12c6870d
1 changed files with 119 additions and 54 deletions
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@ -60,8 +60,6 @@
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#include <asm/macints.h>
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#include <asm/mac_via.h>
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static char mac_sonic_string[] = "macsonic";
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#include "sonic.h"
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/* These should basically be bus-size and endian independent (since
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@ -410,7 +408,7 @@ static int mac_onboard_sonic_probe(struct net_device *dev)
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return macsonic_init(dev);
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}
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static int mac_nubus_sonic_ethernet_addr(struct net_device *dev,
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static int mac_sonic_nubus_ethernet_addr(struct net_device *dev,
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unsigned long prom_addr, int id)
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{
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int i;
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@ -449,70 +447,49 @@ static int macsonic_ident(struct nubus_rsrc *fres)
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return -1;
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}
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static int mac_nubus_sonic_probe(struct net_device *dev)
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static int mac_sonic_nubus_probe_board(struct nubus_board *board, int id,
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struct net_device *dev)
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{
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static int slots;
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struct nubus_rsrc *ndev = NULL;
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struct sonic_local* lp = netdev_priv(dev);
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unsigned long base_addr, prom_addr;
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u16 sonic_dcr;
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int id = -1;
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int reg_offset, dma_bitmode;
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/* Find the first SONIC that hasn't been initialized already */
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for_each_func_rsrc(ndev) {
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if (ndev->category != NUBUS_CAT_NETWORK ||
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ndev->type != NUBUS_TYPE_ETHERNET)
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continue;
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/* Have we seen it already? */
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if (slots & (1<<ndev->board->slot))
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continue;
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slots |= 1<<ndev->board->slot;
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/* Is it one of ours? */
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if ((id = macsonic_ident(ndev)) != -1)
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break;
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}
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if (ndev == NULL)
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return -ENODEV;
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switch (id) {
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case MACSONIC_DUODOCK:
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base_addr = ndev->board->slot_addr + DUODOCK_SONIC_REGISTERS;
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prom_addr = ndev->board->slot_addr + DUODOCK_SONIC_PROM_BASE;
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base_addr = board->slot_addr + DUODOCK_SONIC_REGISTERS;
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prom_addr = board->slot_addr + DUODOCK_SONIC_PROM_BASE;
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sonic_dcr = SONIC_DCR_EXBUS | SONIC_DCR_RFT0 | SONIC_DCR_RFT1 |
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SONIC_DCR_TFT0;
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reg_offset = 2;
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dma_bitmode = SONIC_BITMODE32;
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break;
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case MACSONIC_APPLE:
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base_addr = ndev->board->slot_addr + APPLE_SONIC_REGISTERS;
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prom_addr = ndev->board->slot_addr + APPLE_SONIC_PROM_BASE;
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base_addr = board->slot_addr + APPLE_SONIC_REGISTERS;
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prom_addr = board->slot_addr + APPLE_SONIC_PROM_BASE;
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sonic_dcr = SONIC_DCR_BMS | SONIC_DCR_RFT1 | SONIC_DCR_TFT0;
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reg_offset = 0;
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dma_bitmode = SONIC_BITMODE32;
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break;
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case MACSONIC_APPLE16:
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base_addr = ndev->board->slot_addr + APPLE_SONIC_REGISTERS;
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prom_addr = ndev->board->slot_addr + APPLE_SONIC_PROM_BASE;
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base_addr = board->slot_addr + APPLE_SONIC_REGISTERS;
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prom_addr = board->slot_addr + APPLE_SONIC_PROM_BASE;
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sonic_dcr = SONIC_DCR_EXBUS | SONIC_DCR_RFT1 | SONIC_DCR_TFT0 |
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SONIC_DCR_PO1 | SONIC_DCR_BMS;
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reg_offset = 0;
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dma_bitmode = SONIC_BITMODE16;
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break;
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case MACSONIC_DAYNALINK:
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base_addr = ndev->board->slot_addr + APPLE_SONIC_REGISTERS;
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prom_addr = ndev->board->slot_addr + DAYNALINK_PROM_BASE;
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base_addr = board->slot_addr + APPLE_SONIC_REGISTERS;
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prom_addr = board->slot_addr + DAYNALINK_PROM_BASE;
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sonic_dcr = SONIC_DCR_RFT1 | SONIC_DCR_TFT0 |
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SONIC_DCR_PO1 | SONIC_DCR_BMS;
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reg_offset = 0;
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dma_bitmode = SONIC_BITMODE16;
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break;
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case MACSONIC_DAYNA:
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base_addr = ndev->board->slot_addr + DAYNA_SONIC_REGISTERS;
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prom_addr = ndev->board->slot_addr + DAYNA_SONIC_MAC_ADDR;
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base_addr = board->slot_addr + DAYNA_SONIC_REGISTERS;
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prom_addr = board->slot_addr + DAYNA_SONIC_MAC_ADDR;
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sonic_dcr = SONIC_DCR_BMS |
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SONIC_DCR_RFT1 | SONIC_DCR_TFT0 | SONIC_DCR_PO1;
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reg_offset = 0;
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@ -528,14 +505,14 @@ static int mac_nubus_sonic_probe(struct net_device *dev)
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dev->base_addr = base_addr;
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lp->reg_offset = reg_offset;
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lp->dma_bitmode = dma_bitmode;
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dev->irq = SLOT2IRQ(ndev->board->slot);
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dev->irq = SLOT2IRQ(board->slot);
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if (!sonic_version_printed) {
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printk(KERN_INFO "%s", version);
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sonic_version_printed = 1;
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}
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printk(KERN_INFO "%s: %s in slot %X\n",
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dev_name(lp->device), ndev->board->name, ndev->board->slot);
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dev_name(lp->device), board->name, board->slot);
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printk(KERN_INFO "%s: revision 0x%04x, using %d bit DMA and register offset %d\n",
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dev_name(lp->device), SONIC_READ(SONIC_SR), dma_bitmode?32:16, reg_offset);
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@ -557,14 +534,17 @@ static int mac_nubus_sonic_probe(struct net_device *dev)
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SONIC_WRITE(SONIC_ISR, 0x7fff);
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/* Now look for the MAC address. */
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if (mac_nubus_sonic_ethernet_addr(dev, prom_addr, id) != 0)
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if (mac_sonic_nubus_ethernet_addr(dev, prom_addr, id) != 0)
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return -ENODEV;
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dev_info(&board->dev, "SONIC ethernet @%08lx, MAC %pM, IRQ %d\n",
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dev->base_addr, dev->dev_addr, dev->irq);
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/* Shared init code */
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return macsonic_init(dev);
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}
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static int mac_sonic_probe(struct platform_device *pdev)
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static int mac_sonic_platform_probe(struct platform_device *pdev)
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{
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struct net_device *dev;
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struct sonic_local *lp;
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@ -579,16 +559,10 @@ static int mac_sonic_probe(struct platform_device *pdev)
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SET_NETDEV_DEV(dev, &pdev->dev);
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platform_set_drvdata(pdev, dev);
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/* This will catch fatal stuff like -ENOMEM as well as success */
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err = mac_onboard_sonic_probe(dev);
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if (err == 0)
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goto found;
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if (err != -ENODEV)
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goto out;
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err = mac_nubus_sonic_probe(dev);
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if (err)
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goto out;
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found:
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err = register_netdev(dev);
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if (err)
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goto out;
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@ -610,7 +584,7 @@ MODULE_ALIAS("platform:macsonic");
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#include "sonic.c"
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static int mac_sonic_device_remove(struct platform_device *pdev)
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static int mac_sonic_platform_remove(struct platform_device *pdev)
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{
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struct net_device *dev = platform_get_drvdata(pdev);
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struct sonic_local* lp = netdev_priv(dev);
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@ -623,12 +597,103 @@ static int mac_sonic_device_remove(struct platform_device *pdev)
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return 0;
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}
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static struct platform_driver mac_sonic_driver = {
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.probe = mac_sonic_probe,
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.remove = mac_sonic_device_remove,
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.driver = {
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.name = mac_sonic_string,
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static struct platform_driver mac_sonic_platform_driver = {
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.probe = mac_sonic_platform_probe,
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.remove = mac_sonic_platform_remove,
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.driver = {
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.name = "macsonic",
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},
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};
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module_platform_driver(mac_sonic_driver);
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static int mac_sonic_nubus_probe(struct nubus_board *board)
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{
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struct net_device *ndev;
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struct sonic_local *lp;
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struct nubus_rsrc *fres;
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int id = -1;
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int err;
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/* The platform driver will handle a PDS or Comm Slot card (even if
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* it has a pseudoslot declaration ROM).
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*/
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if (macintosh_config->expansion_type == MAC_EXP_PDS_COMM)
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return -ENODEV;
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for_each_board_func_rsrc(board, fres) {
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if (fres->category != NUBUS_CAT_NETWORK ||
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fres->type != NUBUS_TYPE_ETHERNET)
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continue;
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id = macsonic_ident(fres);
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if (id != -1)
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break;
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}
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if (!fres)
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return -ENODEV;
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ndev = alloc_etherdev(sizeof(struct sonic_local));
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if (!ndev)
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return -ENOMEM;
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lp = netdev_priv(ndev);
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lp->device = &board->dev;
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SET_NETDEV_DEV(ndev, &board->dev);
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err = mac_sonic_nubus_probe_board(board, id, ndev);
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if (err)
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goto out;
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err = register_netdev(ndev);
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if (err)
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goto out;
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nubus_set_drvdata(board, ndev);
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return 0;
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out:
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free_netdev(ndev);
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return err;
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}
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static int mac_sonic_nubus_remove(struct nubus_board *board)
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{
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struct net_device *ndev = nubus_get_drvdata(board);
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struct sonic_local *lp = netdev_priv(ndev);
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unregister_netdev(ndev);
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dma_free_coherent(lp->device,
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SIZEOF_SONIC_DESC * SONIC_BUS_SCALE(lp->dma_bitmode),
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lp->descriptors, lp->descriptors_laddr);
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free_netdev(ndev);
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return 0;
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}
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static struct nubus_driver mac_sonic_nubus_driver = {
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.probe = mac_sonic_nubus_probe,
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.remove = mac_sonic_nubus_remove,
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.driver = {
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.name = "macsonic-nubus",
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.owner = THIS_MODULE,
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},
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};
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static int perr, nerr;
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static int __init mac_sonic_init(void)
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{
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perr = platform_driver_register(&mac_sonic_platform_driver);
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nerr = nubus_driver_register(&mac_sonic_nubus_driver);
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return 0;
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}
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module_init(mac_sonic_init);
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static void __exit mac_sonic_exit(void)
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{
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if (!perr)
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platform_driver_unregister(&mac_sonic_platform_driver);
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if (!nerr)
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nubus_driver_unregister(&mac_sonic_nubus_driver);
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}
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module_exit(mac_sonic_exit);
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