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PCI: Fix OF logic in pci_dma_configure()

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This patch fixes a bug introduced by previous commit,
which incorrectly checkes the of_node of the end-point device.
Instead, it should check the of_node of the host bridge.

Fixes: 50230713b6 ("PCI: OF: Move of_pci_dma_configure() to pci_dma_configure()")
Reported-by: Robin Murphy <robin.murphy@arm.com>
Signed-off-by: Suravee Suthikulpanit <suravee.suthikulpanit@amd.com>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
This commit is contained in:
Suravee Suthikulpanit 2015-11-18 16:49:52 -08:00 committed by Rafael J. Wysocki
parent 29dbe1f0af
commit 768acd64d6
1 changed files with 2 additions and 2 deletions
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4
drivers/pci/probe.c
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@ -1646,8 +1646,8 @@ static void pci_dma_configure(struct pci_dev *dev)
{
struct device *bridge = pci_get_host_bridge_device(dev);
if (IS_ENABLED(CONFIG_OF) && dev->dev.of_node) {
if (bridge->parent)
if (IS_ENABLED(CONFIG_OF) &&
bridge->parent && bridge->parent->of_node) {
of_dma_configure(&dev->dev, bridge->parent->of_node);
} else if (has_acpi_companion(bridge)) {
struct acpi_device *adev = to_acpi_device_node(bridge->fwnode);