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Subject[PATCH v2 25/27] ia64: Use generic pci_mmap_resource_range()
Date
From: David Woodhouse <dwmw@amazon.co.uk>

Now that we eliminated the different behaviour in separately-reviewable
commits, we can switch IA64 to the generic implementation.

Signed-off-by: David Woodhouse <dwmw@amazon.co.uk>
---
arch/ia64/include/asm/pci.h | 1 +
arch/ia64/pci/pci.c | 30 ------------------------------
2 files changed, 1 insertion(+), 30 deletions(-)

diff --git a/arch/ia64/include/asm/pci.h b/arch/ia64/include/asm/pci.h
index fc60b3d..6459f2d 100644
--- a/arch/ia64/include/asm/pci.h
+++ b/arch/ia64/include/asm/pci.h
@@ -51,6 +51,7 @@ extern unsigned long ia64_max_iommu_merge_mask;
#define PCI_DMA_BUS_IS_PHYS (ia64_max_iommu_merge_mask == ~0UL)

#define HAVE_PCI_MMAP
+#define ARCH_GENERIC_PCI_MMAP_RESOURCE
#define arch_can_pci_mmap_wc() 1

#define HAVE_PCI_LEGACY
diff --git a/arch/ia64/pci/pci.c b/arch/ia64/pci/pci.c
index 7438e8c..4068bde 100644
--- a/arch/ia64/pci/pci.c
+++ b/arch/ia64/pci/pci.c
@@ -418,36 +418,6 @@ pcibios_align_resource (void *data, const struct resource *res,
return res->start;
}

-int
-pci_mmap_page_range (struct pci_dev *dev, int bar,
- struct vm_area_struct *vma,
- enum pci_mmap_state mmap_state, int write_combine)
-{
- /*
- * I/O space cannot be accessed via normal processor loads and
- * stores on this platform.
- */
- if (mmap_state == pci_mmap_io)
- /*
- * XXX we could relax this for I/O spaces for which ACPI
- * indicates that the space is 1-to-1 mapped. But at the
- * moment, we don't support multiple PCI address spaces and
- * the legacy I/O space is not 1-to-1 mapped, so this is moot.
- */
- return -EINVAL;
-
- if (write_combine)
- vma->vm_page_prot = pgprot_writecombine(vma->vm_page_prot);
- else
- vma->vm_page_prot = pgprot_device(vma->vm_page_prot);
-
- if (remap_pfn_range(vma, vma->vm_start, vma->vm_pgoff,
- vma->vm_end - vma->vm_start, vma->vm_page_prot))
- return -EAGAIN;
-
- return 0;
-}
-
/**
* ia64_pci_get_legacy_mem - generic legacy mem routine
* @bus: bus to get legacy memory base address for
--
2.9.3
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