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ARM/PCI: Use generic pci_mmap_resource_range()

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Signed-off-by: David Woodhouse <dwmw@amazon.co.uk>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
This commit is contained in:
David Woodhouse 2017-04-12 13:26:00 +01:00 committed by Bjorn Helgaas
parent f719582435
commit 00d2904ffe
2 changed files with 1 additions and 20 deletions
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1
arch/arm/include/asm/pci.h
View file

@ -29,6 +29,7 @@ static inline int pci_proc_domain(struct pci_bus *bus)
#define PCI_DMA_BUS_IS_PHYS (1) #define PCI_DMA_BUS_IS_PHYS (1)
#define HAVE_PCI_MMAP #define HAVE_PCI_MMAP
#define ARCH_GENERIC_PCI_MMAP_RESOURCE
static inline int pci_get_legacy_ide_irq(struct pci_dev *dev, int channel) static inline int pci_get_legacy_ide_irq(struct pci_dev *dev, int channel)
{ {

20
arch/arm/kernel/bios32.c
View file

@ -597,26 +597,6 @@ resource_size_t pcibios_align_resource(void *data, const struct resource *res,
return start; return 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)
{
if (mmap_state == pci_mmap_io)
return -EINVAL;
/*
* Mark this as IO
*/
vma->vm_page_prot = pgprot_noncached(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;
}
void __init pci_map_io_early(unsigned long pfn) void __init pci_map_io_early(unsigned long pfn)
{ {
struct map_desc pci_io_desc = { struct map_desc pci_io_desc = {