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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: Kumar Gala <galak@kernel.crashing.org>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
This commit is contained in:
Kumar Gala 2009-04-30 03:10:14 +00:00 committed by Benjamin Herrenschmidt
parent 95272262aa
commit 2f52297665
1 changed files with 2 additions and 8 deletions
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10
arch/powerpc/kernel/rtas_pci.c
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@ -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) {