treewide: Convert uses of struct resource to resource_size(ptr)

[firefly-linux-kernel-4.4.55.git] / arch / powerpc / sysdev / dart_iommu.c

diff --git a/arch/powerpc/sysdev/dart_iommu.c b/arch/powerpc/sysdev/dart_iommu.c
index 8e9e06a7ca59ab4c3d467fc9361c5527a989cf9f..4f2680f431b5070fa26aeecacb73edc0345fe453 100644 (file)
--- a/arch/powerpc/sysdev/dart_iommu.c
+++ b/arch/powerpc/sysdev/dart_iommu.c
@@ -239,7 +239,7 @@ static int __init dart_init(struct device_node *dart_node)
                                         DARTMAP_RPNMASK);
 
        /* Map in DART registers */
-       dart = ioremap(r.start, r.end - r.start + 1);
+       dart = ioremap(r.start, resource_size(&r));
        if (dart == NULL)
                panic("DART: Cannot map registers!");