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authorCyrille Pitchen <cyrille.pitchen@free-electrons.com>2018-01-30 21:56:50 +0100
committerLorenzo Pieralisi <lorenzo.pieralisi@arm.com>2018-01-31 11:09:32 +0000
commit3a8f77e48666a39adb3ac4d5ce8261563e039e31 (patch)
treeb5146ef9b6734451c1c246871d63d30808199658 /include/linux/pci.h
parent9de0eec29c07a65c21323f934d84ce164b0d9205 (diff)
PCI: OF: Add generic function to parse and allocate PCI resources
The patch moves the gen_pci_parse_request_of_pci_ranges() function from drivers/pci/host/pci-host-common.c into drivers/pci/of.c to easily share common source code between PCI host drivers. Signed-off-by: Cyrille Pitchen <cyrille.pitchen@free-electrons.com> Signed-off-by: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>
Diffstat (limited to 'include/linux/pci.h')
-rw-r--r--include/linux/pci.h9
1 files changed, 9 insertions, 0 deletions
diff --git a/include/linux/pci.h b/include/linux/pci.h
index c170c9250c8b..c7a701abbf17 100644
--- a/include/linux/pci.h
+++ b/include/linux/pci.h
@@ -2182,6 +2182,9 @@ void pci_release_of_node(struct pci_dev *dev);
void pci_set_bus_of_node(struct pci_bus *bus);
void pci_release_bus_of_node(struct pci_bus *bus);
struct irq_domain *pci_host_bridge_of_msi_domain(struct pci_bus *bus);
+int pci_parse_request_of_pci_ranges(struct device *dev,
+ struct list_head *resources,
+ struct resource **bus_range);
/* Arch may override this (weak) */
struct device_node *pcibios_get_phb_of_node(struct pci_bus *bus);
@@ -2206,6 +2209,12 @@ static inline struct device_node *
pci_device_to_OF_node(const struct pci_dev *pdev) { return NULL; }
static inline struct irq_domain *
pci_host_bridge_of_msi_domain(struct pci_bus *bus) { return NULL; }
+static inline int pci_parse_request_of_pci_ranges(struct device *dev,
+ struct list_head *resources,
+ struct resource **bus_range)
+{
+ return -EINVAL;
+}
#endif /* CONFIG_OF */
#ifdef CONFIG_ACPI