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authorDave Kleikamp <shaggy@austin.ibm.com>2006-01-24 14:34:47 -0600
committerDave Kleikamp <shaggy@austin.ibm.com>2006-01-24 14:34:47 -0600
commit0a0fc0ddbe732779366ab6b1b879f62195e65967 (patch)
tree7b42490a676cf39ae0691b6859ecf7fd410f229b /arch/sparc/mm
parent4d5dbd0945d9e0833dd7964a3d6ee33157f7cc7a (diff)
parent3ee68c4af3fd7228c1be63254b9f884614f9ebb2 (diff)
Merge with /home/shaggy/git/linus-clean/
Diffstat (limited to 'arch/sparc/mm')
-rw-r--r--arch/sparc/mm/generic.c10
-rw-r--r--arch/sparc/mm/iommu.c13
-rw-r--r--arch/sparc/mm/sun4c.c2
3 files changed, 12 insertions, 13 deletions
diff --git a/arch/sparc/mm/generic.c b/arch/sparc/mm/generic.c
index 9604893ffdb..2cb0728cee0 100644
--- a/arch/sparc/mm/generic.c
+++ b/arch/sparc/mm/generic.c
@@ -32,9 +32,7 @@ static inline void io_remap_pte_range(struct mm_struct *mm, pte_t * pte, unsigne
if (end > PMD_SIZE)
end = PMD_SIZE;
do {
- pte_t oldpage = *pte;
- pte_clear(mm, address, pte);
- set_pte(pte, mk_pte_io(offset, prot, space));
+ set_pte_at(mm, address, pte, mk_pte_io(offset, prot, space));
address += PAGE_SIZE;
offset += PAGE_SIZE;
pte++;
@@ -63,7 +61,7 @@ static inline int io_remap_pmd_range(struct mm_struct *mm, pmd_t * pmd, unsigned
}
int io_remap_pfn_range(struct vm_area_struct *vma, unsigned long from,
- unsigned long pfn, unsigned long size, pgprot_t prot)
+ unsigned long pfn, unsigned long size, pgprot_t prot)
{
int error = 0;
pgd_t * dir;
@@ -74,7 +72,9 @@ int io_remap_pfn_range(struct vm_area_struct *vma, unsigned long from,
unsigned long offset = GET_PFN(pfn) << PAGE_SHIFT;
/* See comment in mm/memory.c remap_pfn_range */
- vma->vm_flags |= VM_IO | VM_RESERVED;
+ vma->vm_flags |= VM_IO | VM_RESERVED | VM_PFNMAP;
+ vma->vm_pgoff = (offset >> PAGE_SHIFT) |
+ ((unsigned long)space << 28UL);
prot = __pgprot(pg_iobits);
offset -= from;
diff --git a/arch/sparc/mm/iommu.c b/arch/sparc/mm/iommu.c
index 489bf68d5f0..77840c80478 100644
--- a/arch/sparc/mm/iommu.c
+++ b/arch/sparc/mm/iommu.c
@@ -295,8 +295,7 @@ static void iommu_release_one(u32 busa, int npages, struct sbus_bus *sbus)
int ioptex;
int i;
- if (busa < iommu->start)
- BUG();
+ BUG_ON(busa < iommu->start);
ioptex = (busa - iommu->start) >> PAGE_SHIFT;
for (i = 0; i < npages; i++) {
iopte_val(iommu->page_table[ioptex + i]) = 0;
@@ -340,9 +339,9 @@ static int iommu_map_dma_area(dma_addr_t *pba, unsigned long va,
iopte_t *first;
int ioptex;
- if ((va & ~PAGE_MASK) != 0) BUG();
- if ((addr & ~PAGE_MASK) != 0) BUG();
- if ((len & ~PAGE_MASK) != 0) BUG();
+ BUG_ON((va & ~PAGE_MASK) != 0);
+ BUG_ON((addr & ~PAGE_MASK) != 0);
+ BUG_ON((len & ~PAGE_MASK) != 0);
/* page color = physical address */
ioptex = bit_map_string_get(&iommu->usemap, len >> PAGE_SHIFT,
@@ -405,8 +404,8 @@ static void iommu_unmap_dma_area(unsigned long busa, int len)
unsigned long end;
int ioptex = (busa - iommu->start) >> PAGE_SHIFT;
- if ((busa & ~PAGE_MASK) != 0) BUG();
- if ((len & ~PAGE_MASK) != 0) BUG();
+ BUG_ON((busa & ~PAGE_MASK) != 0);
+ BUG_ON((len & ~PAGE_MASK) != 0);
iopte += ioptex;
end = busa + len;
diff --git a/arch/sparc/mm/sun4c.c b/arch/sparc/mm/sun4c.c
index 1d560390e28..731f19603ca 100644
--- a/arch/sparc/mm/sun4c.c
+++ b/arch/sparc/mm/sun4c.c
@@ -497,7 +497,7 @@ static void __init sun4c_probe_mmu(void)
patch_kernel_fault_handler();
}
-volatile unsigned long *sun4c_memerr_reg = NULL;
+volatile unsigned long __iomem *sun4c_memerr_reg = NULL;
void __init sun4c_probe_memerr_reg(void)
{