mn10300/PCI: Use generic pci_mmap_resource_range()

This was setting vma->vm_flags |= VM_LOCKED. Not sure why...

Signed-off-by: David Woodhouse <dwmw@amazon.co.uk>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Reviewed-by: David Howells <dhowells@redhat.com>

diff --git a/arch/mn10300/include/asm/pci.h b/arch/mn10300/include/asm/pci.h
index 082b6de..d276549 100644 (file)
--- a/arch/mn10300/include/asm/pci.h
+++ b/arch/mn10300/include/asm/pci.h
@@ -74,6 +74,7 @@ static inline int pci_controller_num(struct pci_dev *dev)
 }
 
 #define HAVE_PCI_MMAP
+#define ARCH_GENERIC_PCI_MMAP_RESOURCE
 
 #endif /* __KERNEL__ */
 

diff --git a/arch/mn10300/unit-asb2305/pci-asb2305.c b/arch/mn10300/unit-asb2305/pci-asb2305.c
index 4abbbd5..e0f4617 100644 (file)
--- a/arch/mn10300/unit-asb2305/pci-asb2305.c
+++ b/arch/mn10300/unit-asb2305/pci-asb2305.c
@@ -210,27 +210,3 @@ void __init pcibios_resource_survey(void)
        pcibios_allocate_resources(0);
        pcibios_allocate_resources(1);
 }
-
-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)
-{
-       unsigned long prot;
-
-       /* Leave vm_pgoff as-is, the PCI space address is the physical
-        * address on this platform.
-        */
-       vma->vm_flags |= VM_LOCKED;
-
-       prot = pgprot_val(vma->vm_page_prot);
-       prot &= ~_PAGE_CACHE;
-       vma->vm_page_prot = __pgprot(prot);
-
-       /* Write-combine setting is ignored */
-       if (io_remap_pfn_range(vma, vma->vm_start, vma->vm_pgoff,
-                              vma->vm_end - vma->vm_start,
-                              vma->vm_page_prot))
-               return -EAGAIN;
-
-       return 0;
-}