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yaml
---
r: 8500
b: refs/heads/master
c: 4120b02
h: refs/heads/master
v: v3
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Linus Torvalds committed Sep 11, 2005
1 parent f375afd commit d0fa154
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Showing 2 changed files with 15 additions and 23 deletions.
2 changes: 1 addition & 1 deletion [refs]
Original file line number Diff line number Diff line change
@@ -1,2 +1,2 @@
---
refs/heads/master: 9ec4ff421f032f24416217f23b0c82dc9a5f38f6
refs/heads/master: 4120b028dd231743935d954732045a87edda2a0a
36 changes: 14 additions & 22 deletions trunk/drivers/net/sungem.c
Original file line number Diff line number Diff line change
Expand Up @@ -2817,7 +2817,7 @@ static int gem_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd)

#if (!defined(__sparc__) && !defined(CONFIG_PPC_PMAC))
/* Fetch MAC address from vital product data of PCI ROM. */
static void find_eth_addr_in_vpd(void __iomem *rom_base, int len, unsigned char *dev_addr)
static int find_eth_addr_in_vpd(void __iomem *rom_base, int len, unsigned char *dev_addr)
{
int this_offset;

Expand All @@ -2838,35 +2838,27 @@ static void find_eth_addr_in_vpd(void __iomem *rom_base, int len, unsigned char

for (i = 0; i < 6; i++)
dev_addr[i] = readb(p + i);
break;
return 1;
}
return 0;
}

static void get_gem_mac_nonobp(struct pci_dev *pdev, unsigned char *dev_addr)
{
u32 rom_reg_orig;
void __iomem *p;

if (pdev->resource[PCI_ROM_RESOURCE].parent == NULL) {
if (pci_assign_resource(pdev, PCI_ROM_RESOURCE) < 0)
goto use_random;
}
size_t size;
void __iomem *p = pci_map_rom(pdev, &size);

pci_read_config_dword(pdev, pdev->rom_base_reg, &rom_reg_orig);
pci_write_config_dword(pdev, pdev->rom_base_reg,
rom_reg_orig | PCI_ROM_ADDRESS_ENABLE);
if (p) {
int found;

p = ioremap(pci_resource_start(pdev, PCI_ROM_RESOURCE), (64 * 1024));
if (p != NULL && readb(p) == 0x55 && readb(p + 1) == 0xaa)
find_eth_addr_in_vpd(p, (64 * 1024), dev_addr);

if (p != NULL)
iounmap(p);

pci_write_config_dword(pdev, pdev->rom_base_reg, rom_reg_orig);
return;
found = readb(p) == 0x55 &&
readb(p + 1) == 0xaa &&
find_eth_addr_in_vpd(p, (64 * 1024), dev_addr);
pci_unmap_rom(pdev, p);
if (found)
return;
}

use_random:
/* Sun MAC prefix then 3 random bytes. */
dev_addr[0] = 0x08;
dev_addr[1] = 0x00;
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