Genericizing iova.[ch]

[mv-sheeva.git] / drivers / pci / iova.c

diff --git a/drivers/pci/iova.c b/drivers/pci/iova.c
index a84571c293609bdd3c2d743e73676cde24ce1151..8de7ab6c6d0c11f4772bc1622a303e3c224e1109 100644 (file)
--- a/drivers/pci/iova.c
+++ b/drivers/pci/iova.c
@@ -9,19 +9,19 @@
 #include "iova.h"
 
 void
-init_iova_domain(struct iova_domain *iovad)
+init_iova_domain(struct iova_domain *iovad, unsigned long pfn_32bit)
 {
        spin_lock_init(&iovad->iova_alloc_lock);
        spin_lock_init(&iovad->iova_rbtree_lock);
        iovad->rbroot = RB_ROOT;
        iovad->cached32_node = NULL;
-
+       iovad->dma_32bit_pfn = pfn_32bit;
 }
 
 static struct rb_node *
 __get_cached_rbnode(struct iova_domain *iovad, unsigned long *limit_pfn)
 {
-       if ((*limit_pfn != DMA_32BIT_PFN) ||
+       if ((*limit_pfn != iovad->dma_32bit_pfn) ||
                (iovad->cached32_node == NULL))
                return rb_last(&iovad->rbroot);
        else {
@@ -37,7 +37,7 @@ static void
 __cached_rbnode_insert_update(struct iova_domain *iovad,
        unsigned long limit_pfn, struct iova *new)
 {
-       if (limit_pfn != DMA_32BIT_PFN)
+       if (limit_pfn != iovad->dma_32bit_pfn)
                return;
        iovad->cached32_node = &new->node;
 }