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kernel/linux-imx6_3.14.28/include/linux/of_pci.h 1.01 KB
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  #ifndef __OF_PCI_H
  #define __OF_PCI_H
  
  #include <linux/pci.h>
  #include <linux/msi.h>
  
  struct pci_dev;
  struct of_phandle_args;
  int of_irq_parse_pci(const struct pci_dev *pdev, struct of_phandle_args *out_irq);
  int of_irq_parse_and_map_pci(const struct pci_dev *dev, u8 slot, u8 pin);
  
  struct device_node;
  struct device_node *of_pci_find_child_device(struct device_node *parent,
  					     unsigned int devfn);
  int of_pci_get_devfn(struct device_node *np);
  int of_pci_parse_bus_range(struct device_node *node, struct resource *res);
  
  #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);
  struct msi_chip *of_pci_find_msi_chip_by_node(struct device_node *of_node);
  #else
  static inline int of_pci_msi_chip_add(struct msi_chip *chip) { return -EINVAL; }
  static inline void of_pci_msi_chip_remove(struct msi_chip *chip) { }
  static inline struct msi_chip *
  of_pci_find_msi_chip_by_node(struct device_node *of_node) { return NULL; }
  #endif
  
  #endif