Commit 08a45b32 authored Jul 08, 2016 by Benjamin Herrenschmidt Committed by Michael Ellerman Jul 17, 2016

powerpc/powernv/pci: Check status of a PHB before using it

If the firmware encounters an error (internal or HW) during initialization
of a PHB, it might leave the device-node in the tree but mark it disabled
using the "status" property. We should check it.

Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>

parent a1339faf

arch/powerpc/platforms/powernv/pci-ioda.c

+3 −0

Original line number	Diff line number	Diff line
		@@ -3516,6 +3516,9 @@ static void __init pnv_pci_init_ioda_phb(struct device_node *np,
		void *aux;
		long rc;

		if (!of_device_is_available(np))
		return;

		pr_info("Initializing %s PHB (%s)\n",
		pnv_phb_names[ioda_type], of_node_full_name(np));