diff options
Diffstat (limited to 'arch/powerpc/platforms/cell/iommu.c')
| -rw-r--r-- | arch/powerpc/platforms/cell/iommu.c | 23 |
1 files changed, 17 insertions, 6 deletions
diff --git a/arch/powerpc/platforms/cell/iommu.c b/arch/powerpc/platforms/cell/iommu.c index 950d4327b41..7316226a5f1 100644 --- a/arch/powerpc/platforms/cell/iommu.c +++ b/arch/powerpc/platforms/cell/iommu.c @@ -443,25 +443,36 @@ static struct iommu_window *find_window(struct cbe_iommu *iommu, } #endif +static inline u32 cell_iommu_get_ioid(struct device_node *np) +{ + const u32 *ioid; + + ioid = of_get_property(np, "ioid", NULL); + if (ioid == NULL) { + printk(KERN_WARNING "iommu: missing ioid for %s using 0\n", + np->full_name); + return 0; + } + + return *ioid; +} + static struct iommu_window * __init cell_iommu_setup_window(struct cbe_iommu *iommu, struct device_node *np, unsigned long offset, unsigned long size, unsigned long pte_offset) { struct iommu_window *window; - const unsigned int *ioid; + u32 ioid; - ioid = of_get_property(np, "ioid", NULL); - if (ioid == NULL) - printk(KERN_WARNING "iommu: missing ioid for %s using 0\n", - np->full_name); + ioid = cell_iommu_get_ioid(np); window = kmalloc_node(sizeof(*window), GFP_KERNEL, iommu->nid); BUG_ON(window == NULL); window->offset = offset; window->size = size; - window->ioid = ioid ? *ioid : 0; + window->ioid = ioid; window->iommu = iommu; window->pte_offset = pte_offset; |