diff options
Diffstat (limited to 'arch/powerpc')
| -rw-r--r-- | arch/powerpc/platforms/cell/iommu.c | 15 |
1 files changed, 7 insertions, 8 deletions
diff --git a/arch/powerpc/platforms/cell/iommu.c b/arch/powerpc/platforms/cell/iommu.c index df330666ccc..a276064471b 100644 --- a/arch/powerpc/platforms/cell/iommu.c +++ b/arch/powerpc/platforms/cell/iommu.c @@ -26,6 +26,7 @@ #include <linux/init.h> #include <linux/interrupt.h> #include <linux/notifier.h> +#include <linux/of.h> #include <linux/of_platform.h> #include <asm/prom.h> @@ -789,18 +790,16 @@ static int __init cell_iommu_init_disabled(void) static u64 cell_iommu_get_fixed_address(struct device *dev) { u64 cpu_addr, size, best_size, pci_addr = OF_BAD_ADDR; - struct device_node *tmp, *np; + struct device_node *np; const u32 *ranges = NULL; int i, len, best; - np = dev->archdata.of_node; - of_node_get(np); - ranges = of_get_property(np, "dma-ranges", &len); - while (!ranges && np) { - tmp = of_get_parent(np); - of_node_put(np); - np = tmp; + np = of_node_get(dev->archdata.of_node); + while (np) { ranges = of_get_property(np, "dma-ranges", &len); + if (ranges) + break; + np = of_get_next_parent(np); } if (!ranges) { |