From: David Woodhouse <dwmw@xxxxxxxxxxxx>
This was setting vma->vm_flags |= VM_LOCKED. Not sure why...
Signed-off-by: David Woodhouse <dwmw@xxxxxxxxxxxx>
---
arch/mn10300/include/asm/pci.h | 1 +
arch/mn10300/unit-asb2305/pci-asb2305.c | 24 ------------------------
2 files changed, 1 insertion(+), 24 deletions(-)
diff --git a/arch/mn10300/include/asm/pci.h b/arch/mn10300/include/asm/pci.h
index 082b6de..d276549 100644
--- 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
--- 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;
-}
--
2.9.3
