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Commit 2f522976 authored by Kumar Gala's avatar Kumar Gala Committed by Benjamin Herrenschmidt
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powerpc/pci: Clean up direct access to sysdata by RTAS 



We shouldn't directly access sysdata to get the device node but call
pci_bus_to_OF_node() for this purpose.

Signed-off-by: default avatarKumar Gala <galak@kernel.crashing.org>
Signed-off-by: default avatarBenjamin Herrenschmidt <benh@kernel.crashing.org>
parent 95272262

arch/powerpc/kernel/rtas_pci.c

+2 −8
Original line number Diff line number Diff line
@@ -93,10 +93,7 @@ static int rtas_pci_read_config(struct pci_bus *bus, 
{

	struct device_node *busdn, *dn;



	if (bus->self)

		busdn = pci_device_to_OF_node(bus->self);

	else

		busdn = bus->sysdata;	/* must be a phb */

	busdn = pci_bus_to_OF_node(bus);



	/* Search only direct children of the bus */

	for (dn = busdn->child; dn; dn = dn->sibling) {
@@ -140,10 +137,7 @@ static int rtas_pci_write_config(struct pci_bus *bus, 
{

	struct device_node *busdn, *dn;



	if (bus->self)

		busdn = pci_device_to_OF_node(bus->self);

	else

		busdn = bus->sysdata;	/* must be a phb */

	busdn = pci_bus_to_OF_node(bus);



	/* Search only direct children of the bus */

	for (dn = busdn->child; dn; dn = dn->sibling) {