diff options
author | David Woodhouse <dwmw@amazon.co.uk> | 2017-04-07 12:10:53 +0200 |
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committer | Bjorn Helgaas <bhelgaas@google.com> | 2017-04-20 08:47:47 -0500 |
commit | d9c102de2caa733c3e718e1b032cd154a9994326 (patch) | |
tree | 1bb107b65a670837b4beed31323cdd570078fbda /arch/ia64/pci/pci.c | |
parent | fcdb10d6b179fde41ca94d032afda8f4ed796b8e (diff) | |
download | linux-d9c102de2caa733c3e718e1b032cd154a9994326.tar.bz2 |
ia64: Use generic pci_mmap_resource_range()
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>
Tested-by: Tony Luck <tony.luck@intel.com>
Diffstat (limited to 'arch/ia64/pci/pci.c')
-rw-r--r-- | arch/ia64/pci/pci.c | 30 |
1 files changed, 0 insertions, 30 deletions
diff --git a/arch/ia64/pci/pci.c b/arch/ia64/pci/pci.c index 7438e8c84cdd..4068bde623dc 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 |