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powerpc: Fix little endian issue in OF PCI scan 

This issue was causing the QEMU emulated USB device to fail dring
PCI probe.

Signed-off-by: Anton Blanchard <anton@samba.org>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
This commit is contained in:
Anton Blanchard 2013-10-17 23:19:43 +11:00 committed by Benjamin Herrenschmidt
parent 411cabf79e
commit 3e7cec6b17
1 changed files with 2 additions and 2 deletions
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4
arch/powerpc/kernel/pci_of_scan.c
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@ -302,7 +302,7 @@ static struct pci_dev *of_scan_pci_dev(struct pci_bus *bus,
struct device_node *dn)
{
struct pci_dev *dev = NULL;
const u32 *reg;
const __be32 *reg;
int reglen, devfn;
pr_debug(" * %s\n", dn->full_name);
@ -312,7 +312,7 @@ static struct pci_dev *of_scan_pci_dev(struct pci_bus *bus,
reg = of_get_property(dn, "reg", &reglen);
if (reg == NULL || reglen < 20)
return NULL;
devfn = (reg[0] >> 8) & 0xff;
devfn = (of_read_number(reg, 1) >> 8) & 0xff;
/* Check if the PCI device is already there */
dev = pci_get_slot(bus, devfn);