Merge branch 'x86/unify-cpu-detect' into x86-v28-for-linus-phase4-D

[linux-2.6-omap-h63xx.git] / arch / x86 / kernel / pci-calgary_64.c

diff --git a/arch/x86/kernel/pci-calgary_64.c b/arch/x86/kernel/pci-calgary_64.c
index 218d783ed7a8969bae11bd86750a8121e8030fdd..080d1d27f37a0b4e042c6623af4cbf0c9ff5e8e7 100644 (file)
--- a/arch/x86/kernel/pci-calgary_64.c
+++ b/arch/x86/kernel/pci-calgary_64.c
@@ -261,7 +261,7 @@ static void iommu_range_reserve(struct iommu_table *tbl,
                               badbit, tbl, start_addr, npages);
        }
 
-       set_bit_string(tbl->it_map, index, npages);
+       iommu_area_reserve(tbl->it_map, index, npages);
 
        spin_unlock_irqrestore(&tbl->it_lock, flags);
 }
@@ -343,9 +343,8 @@ static void iommu_free(struct iommu_table *tbl, dma_addr_t dma_addr,
        /* were we called with bad_dma_address? */
        badend = bad_dma_address + (EMERGENCY_PAGES * PAGE_SIZE);
        if (unlikely((dma_addr >= bad_dma_address) && (dma_addr < badend))) {
-               printk(KERN_ERR "Calgary: driver tried unmapping bad DMA "
+               WARN(1, KERN_ERR "Calgary: driver tried unmapping bad DMA "
                       "address 0x%Lx\n", dma_addr);
-               WARN_ON(1);
                return;
        }
 
@@ -492,6 +491,8 @@ static void* calgary_alloc_coherent(struct device *dev, size_t size,
        npages = size >> PAGE_SHIFT;
        order = get_order(size);
 
+       flag &= ~(__GFP_DMA | __GFP_HIGHMEM | __GFP_DMA32);
+
        /* alloc enough pages (and possibly more) */
        ret = (void *)__get_free_pages(flag, order);
        if (!ret)
@@ -511,8 +512,22 @@ error:
        return ret;
 }
 
+static void calgary_free_coherent(struct device *dev, size_t size,
+                                 void *vaddr, dma_addr_t dma_handle)
+{
+       unsigned int npages;
+       struct iommu_table *tbl = find_iommu_table(dev);
+
+       size = PAGE_ALIGN(size);
+       npages = size >> PAGE_SHIFT;
+
+       iommu_free(tbl, dma_handle, npages);
+       free_pages((unsigned long)vaddr, get_order(size));
+}
+
 static struct dma_mapping_ops calgary_dma_ops = {
        .alloc_coherent = calgary_alloc_coherent,
+       .free_coherent = calgary_free_coherent,
        .map_single = calgary_map_single,
        .unmap_single = calgary_unmap_single,
        .map_sg = calgary_map_sg,
@@ -1269,13 +1284,15 @@ static inline int __init determine_tce_table_size(u64 ram)
 static int __init build_detail_arrays(void)
 {
        unsigned long ptr;
-       int i, scal_detail_size, rio_detail_size;
+       unsigned numnodes, i;
+       int scal_detail_size, rio_detail_size;
 
-       if (rio_table_hdr->num_scal_dev > MAX_NUMNODES){
+       numnodes = rio_table_hdr->num_scal_dev;
+       if (numnodes > MAX_NUMNODES){
                printk(KERN_WARNING
                        "Calgary: MAX_NUMNODES too low! Defined as %d, "
                        "but system has %d nodes.\n",
-                       MAX_NUMNODES, rio_table_hdr->num_scal_dev);
+                       MAX_NUMNODES, numnodes);
                return -ENODEV;
        }
 
@@ -1296,8 +1313,7 @@ static int __init build_detail_arrays(void)
        }
 
        ptr = ((unsigned long)rio_table_hdr) + 3;
-       for (i = 0; i < rio_table_hdr->num_scal_dev;
-                   i++, ptr += scal_detail_size)
+       for (i = 0; i < numnodes; i++, ptr += scal_detail_size)
                scal_devs[i] = (struct scal_detail *)ptr;
 
        for (i = 0; i < rio_table_hdr->num_rio_dev;