Commit c844d483 authored by Stephen Hemminger's avatar Stephen Hemminger Committed by Jeff Garzik
Browse files

sky2: display product info on boot. 



Change bootup messages to print more information. This is to help users
who may have old buggy EEPROM image.

Signed-off-by: default avatarStephen Hemminger <shemminger@vyatta.com>
Signed-off-by: default avatarJeff Garzik <jgarzik@redhat.com>
parent 1413235c

drivers/net/sky2.c

+69 −4
Original line number Diff line number Diff line
@@ -4191,6 +4191,69 @@ static int __devinit pci_wake_enabled(struct pci_dev *dev) 
	return value & PCI_PM_CTRL_PME_ENABLE;

}



/*

 * Read and parse the first part of Vital Product Data

 */

#define VPD_SIZE	128

#define VPD_MAGIC	0x82



static void __devinit sky2_vpd_info(struct sky2_hw *hw)

{

	int cap = pci_find_capability(hw->pdev, PCI_CAP_ID_VPD);

	const u8 *p;

	u8 *vpd_buf = NULL;

	u16 len;

	static struct vpd_tag {

		char tag[2];

		char *label;

	} vpd_tags[] = {

		{ "PN",	"Part Number" },

		{ "EC", "Engineering Level" },

		{ "MN", "Manufacturer" },

	};



	if (!cap)

		goto out;



	vpd_buf = kmalloc(VPD_SIZE, GFP_KERNEL);

	if (!vpd_buf)

		goto out;



	if (sky2_vpd_read(hw, cap, vpd_buf, 0, VPD_SIZE))

		goto out;



	if (vpd_buf[0] != VPD_MAGIC)

		goto out;

	len = vpd_buf[1];

	if (len == 0 || len > VPD_SIZE - 4)

		goto out;

	p = vpd_buf + 3;

	dev_info(&hw->pdev->dev, "%.*s\n", len, p);

	p += len;



	while (p < vpd_buf + VPD_SIZE - 4) {

		int i;



		if (!memcmp("RW", p, 2))	/* end marker */

			break;



		len = p[2];

		if (len > (p - vpd_buf) - 4)

			break;



		for (i = 0; i < ARRAY_SIZE(vpd_tags); i++) {

			if (!memcmp(vpd_tags[i].tag, p, 2)) {

				printk(KERN_DEBUG " %s: %.*s\n",

				       vpd_tags[i].label, len, p + 3);

				break;

			}

		}

		p += len + 3;

	}

out:

	kfree(vpd_buf);

}



/* This driver supports yukon2 chipset only */

static const char *sky2_name(u8 chipid, char *buf, int sz)

{
@@ -4289,13 +4352,13 @@ static int __devinit sky2_probe(struct pci_dev *pdev, 
	if (err)

		goto err_out_iounmap;



	dev_info(&pdev->dev, "v%s addr 0x%llx irq %d Yukon-2 %s rev %d\n",

		 DRV_VERSION, (unsigned long long)pci_resource_start(pdev, 0),

		 pdev->irq, sky2_name(hw->chip_id, buf1, sizeof(buf1)),

		 hw->chip_rev);

	dev_info(&pdev->dev, "Yukon-2 %s chip revision %d\n",

		 sky2_name(hw->chip_id, buf1, sizeof(buf1)), hw->chip_rev);



	sky2_reset(hw);



	sky2_vpd_info(hw);



	dev = sky2_init_netdev(hw, 0, using_dac, wol_default);

	if (!dev) {

		err = -ENOMEM;
@@ -4546,6 +4609,8 @@ static struct pci_driver sky2_driver = { 


static int __init sky2_init_module(void)

{

	pr_info(PFX "driver version " DRV_VERSION "\n");



	sky2_debug_init();

	return pci_register_driver(&sky2_driver);

}