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powerpc/pasemi: Search for PCI root bus by compatible property 

Pasemi arch code finds the root of the PCI-e bus by searching the
device-tree for a node called 'pxp'. But the root bus has a compatible
property of 'pasemi,rootbus' so search for that instead.

Signed-off-by: Darren Stevens <darren@stevens-zone.net>
Acked-by: Olof Johansson <olof@lixom.net>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
This commit is contained in:
Darren Stevens 2018-07-25 21:55:18 +01:00 committed by Michael Ellerman
parent 396ab6ab28
commit 250a93501d
1 changed files with 6 additions and 5 deletions
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11
arch/powerpc/platforms/pasemi/pci.c
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@ -216,6 +216,7 @@ static int __init pas_add_bridge(struct device_node *dev)
void __init pas_pci_init(void)
{
struct device_node *np, *root;
int res;
root = of_find_node_by_path("/");
if (!root) {
@ -226,11 +227,11 @@ void __init pas_pci_init(void)
pci_set_flags(PCI_SCAN_ALL_PCIE_DEVS);
for (np = NULL; (np = of_get_next_child(root, np)) != NULL;)
if (np->name && !strcmp(np->name, "pxp") && !pas_add_bridge(np))
of_node_get(np);
of_node_put(root);
np = of_find_compatible_node(root, NULL, "pasemi,rootbus");
if (np) {
res = pas_add_bridge(np);
of_node_put(np);
}
}
void __iomem *pasemi_pci_getcfgaddr(struct pci_dev *dev, int offset)