From 35368f80403d32a993587c7f26cd3bcede3ed202 Mon Sep 17 00:00:00 2001 From: David Woodhouse Date: Wed, 12 Apr 2017 13:26:02 +0100 Subject: MIPS: PCI: Use generic pci_mmap_resource_range() Signed-off-by: David Woodhouse Signed-off-by: Bjorn Helgaas --- arch/mips/pci/pci.c | 25 ------------------------- 1 file changed, 25 deletions(-) (limited to 'arch/mips/pci') diff --git a/arch/mips/pci/pci.c b/arch/mips/pci/pci.c index f189502..bd67ac7 100644 --- a/arch/mips/pci/pci.c +++ b/arch/mips/pci/pci.c @@ -57,28 +57,3 @@ void pci_resource_to_user(const struct pci_dev *dev, int bar, *start = fixup_bigphys_addr(rsrc->start, size); *end = rsrc->start + size; } - -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; - - /* - * I/O space can be accessed via normal processor loads and stores on - * this platform but for now we elect not to do this and portable - * drivers should not do this anyway. - */ - if (mmap_state == pci_mmap_io) - return -EINVAL; - - /* - * Ignore write-combine; for now only return uncached mappings. - */ - prot = pgprot_val(vma->vm_page_prot); - prot = (prot & ~_CACHE_MASK) | _CACHE_UNCACHED; - vma->vm_page_prot = __pgprot(prot); - - return remap_pfn_range(vma, vma->vm_start, vma->vm_pgoff, - vma->vm_end - vma->vm_start, vma->vm_page_prot); -} -- cgit v1.1