diff options
| -rw-r--r-- | drivers/of/address.c | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/drivers/of/address.c b/drivers/of/address.c index 0ed35a4f9205..cb2212b13375 100644 --- a/drivers/of/address.c +++ b/drivers/of/address.c @@ -1032,10 +1032,11 @@ EXPORT_SYMBOL_GPL(of_dma_is_coherent); static bool of_mmio_is_nonposted(const struct device_node *np) { struct device_node *parent __free(device_node) = of_get_parent(np); - if (!parent) - return false; - return of_property_read_bool(parent, "nonposted-mmio"); + if (of_property_read_bool(np, "nonposted-mmio")) + return true; + + return parent && of_property_read_bool(parent, "nonposted-mmio"); } static int __of_address_to_resource(struct device_node *dev, int index, int bar_no, |