diff options
Diffstat (limited to 'drivers/iommu')
| -rw-r--r-- | drivers/iommu/omap-iommu.c | 19 |
1 files changed, 16 insertions, 3 deletions
diff --git a/drivers/iommu/omap-iommu.c b/drivers/iommu/omap-iommu.c index 3aad2e3..966093a 100644 --- a/drivers/iommu/omap-iommu.c +++ b/drivers/iommu/omap-iommu.c @@ -253,6 +253,7 @@ static struct cr_regs __iotlb_read_cr(struct iommu *obj, int n) * @obj: target iommu * @e: an iommu tlb entry info **/ +#ifdef PREFETCH_IOTLB static int load_iotlb_entry(struct iommu *obj, struct iotlb_entry *e) { int err = 0; @@ -310,6 +311,20 @@ out: return err; } +#else /* !PREFETCH_IOTLB */ + +static int load_iotlb_entry(struct iommu *obj, struct iotlb_entry *e) +{ + return 0; +} + +#endif /* !PREFETCH_IOTLB */ + +static int prefetch_iotlb_entry(struct iommu *obj, struct iotlb_entry *e) +{ + return load_iotlb_entry(obj, e); +} + /** * flush_iotlb_page - Clear an iommu tlb entry * @obj: target iommu @@ -663,10 +678,8 @@ int iopgtable_store_entry(struct iommu *obj, struct iotlb_entry *e) flush_iotlb_page(obj, e->da); err = iopgtable_store_entry_core(obj, e); -#ifdef PREFETCH_IOTLB if (!err) - load_iotlb_entry(obj, e); -#endif + prefetch_iotlb_entry(obj, e); return err; } EXPORT_SYMBOL_GPL(iopgtable_store_entry); |