* powerpc: Fix little endian issue in OF PCI scan
@ 2013-10-17 12:19 Anton Blanchard
0 siblings, 0 replies; only message in thread
From: Anton Blanchard @ 2013-10-17 12:19 UTC (permalink / raw)
To: benh, paulus, tony; +Cc: linuxppc-dev
This issue was causing the QEMU emulated USB device to fail dring
PCI probe.
Signed-off-by: Anton Blanchard <anton@samba.org>
---
diff --git a/arch/powerpc/kernel/pci_of_scan.c b/arch/powerpc/kernel/pci_of_scan.c
index 4368ec6..ac0b034 100644
--- a/arch/powerpc/kernel/pci_of_scan.c
+++ b/arch/powerpc/kernel/pci_of_scan.c
@@ -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", ®len);
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);
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2013-10-17 12:19 powerpc: Fix little endian issue in OF PCI scan Anton Blanchard
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