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sh/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 13:26:05 +01:00 committed by Bjorn Helgaas
parent 6a94ca14c3
commit adf7bde63f
2 changed files with 1 additions and 22 deletions
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22
arch/sh/drivers/pci/pci.c
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@ -269,28 +269,6 @@ void __ref pcibios_report_status(unsigned int status_mask, int warn)
}
}
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 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.
*/
vma->vm_page_prot = pgprot_noncached(vma->vm_page_prot);
return remap_pfn_range(vma, vma->vm_start, vma->vm_pgoff,
vma->vm_end - vma->vm_start,
vma->vm_page_prot);
}
#ifndef CONFIG_GENERIC_IOMAP
void __iomem *__pci_ioport_map(struct pci_dev *dev,

1
arch/sh/include/asm/pci.h
View File

@ -66,6 +66,7 @@ extern unsigned long PCIBIOS_MIN_IO, PCIBIOS_MIN_MEM;
struct pci_dev;
#define HAVE_PCI_MMAP
#define ARCH_GENERIC_PCI_MMAP_RESOURCE
extern void pcibios_set_master(struct pci_dev *dev);