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authorTomasz Nowicki <tn@semihalf.com>2016-05-12 01:34:51 +0300
committerBjorn Helgaas <bhelgaas@google.com>2016-05-12 15:07:42 +0300
commitc5076cfe768998e9d395bc8486b29b18b0f99fd9 (patch)
tree94eaff672e0871147c33abf16edcbf0843078e25 /include/linux/pci.h
parent1958e7173df14ff50d75ed2fbd24b349d25caf80 (diff)
downloadlinux-c5076cfe768998e9d395bc8486b29b18b0f99fd9.tar.xz
PCI, of: Move PCI I/O space management to PCI core code
No functional changes in this patch. PCI I/O space mapping code does not depend on OF; therefore it can be moved to PCI core code. This way we will be able to use it, e.g., in ACPI PCI code. Suggested-by: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com> Signed-off-by: Tomasz Nowicki <tn@semihalf.com> Signed-off-by: Bjorn Helgaas <bhelgaas@google.com> CC: Arnd Bergmann <arnd@arndb.de> CC: Liviu Dudau <Liviu.Dudau@arm.com>
Diffstat (limited to 'include/linux/pci.h')
-rw-r--r--include/linux/pci.h5
1 files changed, 5 insertions, 0 deletions
diff --git a/include/linux/pci.h b/include/linux/pci.h
index 004b8133417d..1824ef80e10d 100644
--- a/include/linux/pci.h
+++ b/include/linux/pci.h
@@ -1164,6 +1164,9 @@ int __must_check pci_bus_alloc_resource(struct pci_bus *bus,
void *alignf_data);
+int pci_register_io_range(phys_addr_t addr, resource_size_t size);
+unsigned long pci_address_to_pio(phys_addr_t addr);
+phys_addr_t pci_pio_to_address(unsigned long pio);
int pci_remap_iospace(const struct resource *res, phys_addr_t phys_addr);
static inline pci_bus_addr_t pci_bus_address(struct pci_dev *pdev, int bar)
@@ -1480,6 +1483,8 @@ static inline int pci_request_regions(struct pci_dev *dev, const char *res_name)
{ return -EIO; }
static inline void pci_release_regions(struct pci_dev *dev) { }
+static inline unsigned long pci_address_to_pio(phys_addr_t addr) { return -1; }
+
static inline void pci_block_cfg_access(struct pci_dev *dev) { }
static inline int pci_block_cfg_access_in_atomic(struct pci_dev *dev)
{ return 0; }