mirror of
https://github.com/AuxXxilium/linux_dsm_epyc7002.git
synced 2024-11-30 11:36:40 +07:00
16b84e5a50
Several architectures open code effectively the same code block for finding and mapping PCI irqs. This patch consolidates it down to a single function. Signed-off-by: Grant Likely <grant.likely@linaro.org> Acked-by: Michal Simek <monstr@monstr.eu> Cc: Russell King <linux@arm.linux.org.uk> Cc: Ralf Baechle <ralf@linux-mips.org> Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>
30 lines
1.0 KiB
C
30 lines
1.0 KiB
C
#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
|