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authorLinus Walleij <linus.walleij@linaro.org>2016-03-09 17:40:37 +0700
committerLinus Walleij <linus.walleij@linaro.org>2016-03-09 17:40:37 +0700
commit0bae2f17323a4630c487a9b77c37bebf407424af (patch)
treefc1f71a0209ec61841a5acb65d59d147af3cc4fa /arch/powerpc/kernel/eeh_pe.c
parentadf32eaa05323449b74b36f25b918583e2bdb6f1 (diff)
parentca801a22f465eae39fadc770e15b5b7e82595f81 (diff)
downloadlinux-next-0bae2f17323a4630c487a9b77c37bebf407424af.tar.gz
Merge branch 'ib-mfd-regulator-gpio-4.6' of git://git.kernel.org/pub/scm/linux/kernel/git/lee/mfd into devel
Diffstat (limited to 'arch/powerpc/kernel/eeh_pe.c')
-rw-r--r--arch/powerpc/kernel/eeh_pe.c33
1 files changed, 15 insertions, 18 deletions
diff --git a/arch/powerpc/kernel/eeh_pe.c b/arch/powerpc/kernel/eeh_pe.c
index 8654cb166c19..ca9e5371930e 100644
--- a/arch/powerpc/kernel/eeh_pe.c
+++ b/arch/powerpc/kernel/eeh_pe.c
@@ -883,32 +883,29 @@ void eeh_pe_restore_bars(struct eeh_pe *pe)
const char *eeh_pe_loc_get(struct eeh_pe *pe)
{
struct pci_bus *bus = eeh_pe_bus_get(pe);
- struct device_node *dn = pci_bus_to_OF_node(bus);
+ struct device_node *dn;
const char *loc = NULL;
- if (!dn)
- goto out;
+ while (bus) {
+ dn = pci_bus_to_OF_node(bus);
+ if (!dn) {
+ bus = bus->parent;
+ continue;
+ }
- /* PHB PE or root PE ? */
- if (pci_is_root_bus(bus)) {
- loc = of_get_property(dn, "ibm,loc-code", NULL);
- if (!loc)
+ if (pci_is_root_bus(bus))
loc = of_get_property(dn, "ibm,io-base-loc-code", NULL);
+ else
+ loc = of_get_property(dn, "ibm,slot-location-code",
+ NULL);
+
if (loc)
- goto out;
+ return loc;
- /* Check the root port */
- dn = dn->child;
- if (!dn)
- goto out;
+ bus = bus->parent;
}
- loc = of_get_property(dn, "ibm,loc-code", NULL);
- if (!loc)
- loc = of_get_property(dn, "ibm,slot-location-code", NULL);
-
-out:
- return loc ? loc : "N/A";
+ return "N/A";
}
/**