diff options
Diffstat (limited to 'drivers/pci/mmap.c')
| -rw-r--r-- | drivers/pci/mmap.c | 44 |
1 files changed, 0 insertions, 44 deletions
diff --git a/drivers/pci/mmap.c b/drivers/pci/mmap.c index b8c9011987f4..4504039056d1 100644 --- a/drivers/pci/mmap.c +++ b/drivers/pci/mmap.c @@ -13,27 +13,6 @@ #ifdef ARCH_GENERIC_PCI_MMAP_RESOURCE -/* - * Modern setup: generic pci_mmap_resource_range(), and implement the legacy - * pci_mmap_page_range() (if needed) as a wrapper round it. - */ - -#ifdef HAVE_PCI_MMAP -int pci_mmap_page_range(struct pci_dev *pdev, int bar, - struct vm_area_struct *vma, - enum pci_mmap_state mmap_state, int write_combine) -{ - resource_size_t start, end; - - pci_resource_to_user(pdev, bar, &pdev->resource[bar], &start, &end); - - /* Adjust vm_pgoff to be the offset within the resource */ - vma->vm_pgoff -= start >> PAGE_SHIFT; - return pci_mmap_resource_range(pdev, bar, vma, mmap_state, - write_combine); -} -#endif - static const struct vm_operations_struct pci_phys_vm_ops = { #ifdef CONFIG_HAVE_IOREMAP_PROT .access = generic_access_phys, @@ -70,27 +49,4 @@ int pci_mmap_resource_range(struct pci_dev *pdev, int bar, vma->vm_page_prot); } -#elif defined(HAVE_PCI_MMAP) /* && !ARCH_GENERIC_PCI_MMAP_RESOURCE */ - -/* - * Legacy setup: Implement pci_mmap_resource_range() as a wrapper around - * the architecture's pci_mmap_page_range(), converting to "user visible" - * addresses as necessary. - */ - -int pci_mmap_resource_range(struct pci_dev *pdev, int bar, - struct vm_area_struct *vma, - enum pci_mmap_state mmap_state, int write_combine) -{ - resource_size_t start, end; - - /* - * pci_mmap_page_range() expects the same kind of entry as coming - * from /proc/bus/pci/ which is a "user visible" value. If this is - * different from the resource itself, arch will do necessary fixup. - */ - pci_resource_to_user(pdev, bar, &pdev->resource[bar], &start, &end); - vma->vm_pgoff += start >> PAGE_SHIFT; - return pci_mmap_page_range(pdev, bar, vma, mmap_state, write_combine); -} #endif |