[linux-block.git] / include / linux / of_pci.h

/* SPDX-License-Identifier: GPL-2.0 */
#ifndef __OF_PCI_H
#define __OF_PCI_H

#include <linux/types.h>
#include <linux/errno.h>

struct pci_dev;
struct device_node;

#if IS_ENABLED(CONFIG_OF) && IS_ENABLED(CONFIG_PCI)
struct device_node *of_pci_find_child_device(struct device_node *parent,
					     unsigned int devfn);
int of_pci_get_devfn(struct device_node *np);
void of_pci_check_probe_only(void);
#else
static inline struct device_node *of_pci_find_child_device(struct device_node *parent,
					     unsigned int devfn)
{
	return NULL;
}

static inline int of_pci_get_devfn(struct device_node *np)
{
	return -EINVAL;
}

static inline void of_pci_check_probe_only(void) { }
#endif

#if IS_ENABLED(CONFIG_OF_IRQ)
int of_irq_parse_and_map_pci(const struct pci_dev *dev, u8 slot, u8 pin);
#else
static inline int
of_irq_parse_and_map_pci(const struct pci_dev *dev, u8 slot, u8 pin)
{
	return 0;
}
#endif

#endif
Commit	Line	Data
	1	/* SPDX-License-Identifier: GPL-2.0 */
	2	#ifndef __OF_PCI_H
	3	#define __OF_PCI_H
	4
	5	#include <linux/types.h>
	6	#include <linux/errno.h>
	7
	8	struct pci_dev;
	9	struct device_node;
	10
	11	#if IS_ENABLED(CONFIG_OF) && IS_ENABLED(CONFIG_PCI)
	12	struct device_node of_pci_find_child_device(struct device_node parent,
	13	unsigned int devfn);
	14	int of_pci_get_devfn(struct device_node *np);
	15	void of_pci_check_probe_only(void);
	16	#else
	17	static inline struct device_node of_pci_find_child_device(struct device_node parent,
	18	unsigned int devfn)
	19	{
	20	return NULL;
	21	}
	22
	23	static inline int of_pci_get_devfn(struct device_node *np)
	24	{
	25	return -EINVAL;
	26	}
	27
	28	static inline void of_pci_check_probe_only(void) { }
	29	#endif
	30
	31	#if IS_ENABLED(CONFIG_OF_IRQ)
	32	int of_irq_parse_and_map_pci(const struct pci_dev *dev, u8 slot, u8 pin);
	33	#else
	34	static inline int
	35	of_irq_parse_and_map_pci(const struct pci_dev *dev, u8 slot, u8 pin)
	36	{
	37	return 0;
	38	}
	39	#endif
	40
	41	#endif