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| author |   David Woodhouse <dwmw@amazon.co.uk> | 2017-04-12 13:25:56 +0100 |
|---|---|---|
| committer |   Bjorn Helgaas <bhelgaas@google.com> | 2017-04-18 13:02:26 -0500 |
| commit | e854d8b2a82ef76521ad2bed68211fde0511d417 (patch) | |
| tree | a6743218f245ac24fb5f6ca3cdba9fb20684a782 /arch/sparc | |
| parent | PCI: Move multiple declarations of pci_mmap_page_range() to <linux/pci.h> (diff) | |
| download | linux-dev-e854d8b2a82ef76521ad2bed68211fde0511d417.tar.xz linux-dev-e854d8b2a82ef76521ad2bed68211fde0511d417.zip | |
PCI: Add arch_can_pci_mmap_io() on architectures which can mmap() I/O space
This is relatively esoteric, and knowing that we don't have it makes life
easier in some cases rather than just an eventual -EINVAL from
pci_mmap_page_range().
Signed-off-by: David Woodhouse <dwmw@amazon.co.uk>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Diffstat (limited to 'arch/sparc')
| -rw-r--r-- | arch/sparc/include/asm/pci_64.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/arch/sparc/include/asm/pci_64.h b/arch/sparc/include/asm/pci_64.h index 516fda70a1bb..b957ca5527a3 100644 --- a/arch/sparc/include/asm/pci_64.h +++ b/arch/sparc/include/asm/pci_64.h @@ -42,6 +42,7 @@ static inline int pci_proc_domain(struct pci_bus *bus) /* Platform support for /proc/bus/pci/X/Y mmap()s. */ #define HAVE_PCI_MMAP +#define arch_can_pci_mmap_io() 1 #define HAVE_ARCH_PCI_GET_UNMAPPED_AREA #define get_pci_unmapped_area get_fb_unmapped_area |