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WAN pc300too.c: Fix PC300-X.21 detection 

pc300too driver works around a bug in PCI9050 bridge.  Unfortunately
it was doing that too late.

Signed-off-by: Krzysztof Hałasa <khc@pm.waw.pl>
This commit is contained in:
Krzysztof Hałasa 2008-11-20 15:51:05 +01:00
parent 72364706c3
commit 6476a907b5
1 changed files with 29 additions and 29 deletions
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42
drivers/net/wan/pc300too.c
View File

@ -319,27 +319,6 @@ static int __devinit pc300_pci_init_one(struct pci_dev *pdev,
}
pci_set_drvdata(pdev, card);
if (pdev->device == PCI_DEVICE_ID_PC300_TE_1 ||
pdev->device == PCI_DEVICE_ID_PC300_TE_2)
card->type = PC300_TE; /* not fully supported */
else if (card->init_ctrl_value & PC300_CTYPE_MASK)
card->type = PC300_X21;
else
card->type = PC300_RSV;
if (pdev->device == PCI_DEVICE_ID_PC300_RX_1 ||
pdev->device == PCI_DEVICE_ID_PC300_TE_1)
card->n_ports = 1;
else
card->n_ports = 2;
for (i = 0; i < card->n_ports; i++)
if (!(card->ports[i].netdev = alloc_hdlcdev(&card->ports[i]))) {
printk(KERN_ERR "pc300: unable to allocate memory\n");
pc300_pci_remove_one(pdev);
return -ENOMEM;
}
if (pci_resource_len(pdev, 0) != PC300_PLX_SIZE ||
pci_resource_len(pdev, 2) != PC300_SCA_SIZE ||
pci_resource_len(pdev, 3) < 16384) {
@ -369,6 +348,27 @@ static int __devinit pc300_pci_init_one(struct pci_dev *pdev,
card->init_ctrl_value = readl(&((plx9050 __iomem *)card->scabase)->init_ctrl);
pci_write_config_dword(pdev, PCI_BASE_ADDRESS_0, plxphys);
if (pdev->device == PCI_DEVICE_ID_PC300_TE_1 ||
pdev->device == PCI_DEVICE_ID_PC300_TE_2)
card->type = PC300_TE; /* not fully supported */
else if (card->init_ctrl_value & PC300_CTYPE_MASK)
card->type = PC300_X21;
else
card->type = PC300_RSV;
if (pdev->device == PCI_DEVICE_ID_PC300_RX_1 ||
pdev->device == PCI_DEVICE_ID_PC300_TE_1)
card->n_ports = 1;
else
card->n_ports = 2;
for (i = 0; i < card->n_ports; i++)
if (!(card->ports[i].netdev = alloc_hdlcdev(&card->ports[i]))) {
printk(KERN_ERR "pc300: unable to allocate memory\n");
pc300_pci_remove_one(pdev);
return -ENOMEM;
}
/* Reset PLX */
p = &card->plxbase->init_ctrl;
writel(card->init_ctrl_value | 0x40000000, p);