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Commit 3e7cec6b authored by Anton Blanchard's avatar Anton Blanchard Committed by Benjamin Herrenschmidt
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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: default avatarAnton Blanchard <anton@samba.org>
Signed-off-by: default avatarBenjamin Herrenschmidt <benh@kernel.crashing.org>
parent 411cabf7

arch/powerpc/kernel/pci_of_scan.c

+2 −2
Original line number Diff line number Diff line
@@ -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);