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Merge master.kernel.org:/pub/scm/linux/kernel/git/davem/sparc-2.6

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* master.kernel.org:/pub/scm/linux/kernel/git/davem/sparc-2.6:
  [SPARC64]: Fix booting on V100 systems.
This commit is contained in:
Linus Torvalds 2007-09-12 07:59:49 -07:00
commit 040a2b6b59
1 changed files with 12 additions and 1 deletions
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13
arch/sparc64/kernel/pci.c
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@ -744,7 +744,7 @@ static void __devinit pci_of_scan_bus(struct pci_pbm_info *pbm,
{
struct device_node *child;
const u32 *reg;
int reglen, devfn;
int reglen, devfn, prev_devfn;
struct pci_dev *dev;
if (ofpci_verbose)
@ -752,14 +752,25 @@ static void __devinit pci_of_scan_bus(struct pci_pbm_info *pbm,
node->full_name, bus->number);
child = NULL;
prev_devfn = -1;
while ((child = of_get_next_child(node, child)) != NULL) {
if (ofpci_verbose)
printk(" * %s\n", child->full_name);
reg = of_get_property(child, "reg", &reglen);
if (reg == NULL || reglen < 20)
continue;
devfn = (reg[0] >> 8) & 0xff;
/* This is a workaround for some device trees
* which list PCI devices twice. On the V100
* for example, device number 3 is listed twice.
* Once as "pm" and once again as "lomp".
*/
if (devfn == prev_devfn)
continue;
prev_devfn = devfn;
/* create a new pci_dev for this device */
dev = of_create_pci_dev(pbm, child, bus, devfn, 0);
if (!dev)