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Commit 6476a907 authored by Krzysztof Hałasa's avatar Krzysztof Hałasa
Browse files

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: default avatarKrzysztof Hałasa <khc@pm.waw.pl>
parent 72364706

drivers/net/wan/pc300too.c

+24 −24
Original line number Diff line number Diff line
@@ -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);