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authorLiviu Dudau <Liviu.Dudau@arm.com>2014-09-29 18:29:28 +0400
committerBjorn Helgaas <bhelgaas@google.com>2014-10-01 03:08:57 +0400
commitcbe4097f8ae699ebbdaf8c95ecab38d47e0bd5da (patch)
tree3abf75a2058642b3296f997e95a2f32a96e99c20 /include/linux/of_pci.h
parent41e5c0f81d3e676d671d96a0a1fafb27abfbd9d7 (diff)
downloadlinux-cbe4097f8ae699ebbdaf8c95ecab38d47e0bd5da.tar.xz
of/pci: Add support for parsing PCI host bridge resources from DT
Provide a function to parse the PCI DT ranges that can be used to create a pci_host_bridge structure together with its associated bus. Signed-off-by: Liviu Dudau <Liviu.Dudau@arm.com> [make io_base parameter optional] Signed-off-by: Robert Richter <rrichter@cavium.com> Signed-off-by: Bjorn Helgaas <bhelgaas@google.com> CC: Arnd Bergmann <arnd@arndb.de> CC: Grant Likely <grant.likely@linaro.org> CC: Rob Herring <robh+dt@kernel.org> CC: Catalin Marinas <catalin.marinas@arm.com>
Diffstat (limited to 'include/linux/of_pci.h')
-rw-r--r--include/linux/of_pci.h6
1 files changed, 6 insertions, 0 deletions
diff --git a/include/linux/of_pci.h b/include/linux/of_pci.h
index 71062e9602f5..1fd207e7a847 100644
--- a/include/linux/of_pci.h
+++ b/include/linux/of_pci.h
@@ -52,6 +52,12 @@ of_get_pci_domain_nr(struct device_node *node)
}
#endif
+#if defined(CONFIG_OF_ADDRESS)
+int of_pci_get_host_bridge_resources(struct device_node *dev,
+ unsigned char busno, unsigned char bus_max,
+ struct list_head *resources, resource_size_t *io_base);
+#endif
+
#if defined(CONFIG_OF) && defined(CONFIG_PCI_MSI)
int of_pci_msi_chip_add(struct msi_chip *chip);
void of_pci_msi_chip_remove(struct msi_chip *chip);