pci.h (864B)
1/* SPDX-License-Identifier: GPL-2.0-only */ 2#ifndef __ASM_UM_PCI_H 3#define __ASM_UM_PCI_H 4#include <linux/types.h> 5#include <asm/io.h> 6 7#define PCIBIOS_MIN_IO 0 8#define PCIBIOS_MIN_MEM 0 9 10#define pcibios_assign_all_busses() 1 11 12extern int isa_dma_bridge_buggy; 13 14#ifdef CONFIG_PCI 15static inline int pci_get_legacy_ide_irq(struct pci_dev *dev, int channel) 16{ 17 /* no legacy IRQs */ 18 return -ENODEV; 19} 20#endif 21 22#ifdef CONFIG_PCI_DOMAINS 23static inline int pci_proc_domain(struct pci_bus *bus) 24{ 25 /* always show the domain in /proc */ 26 return 1; 27} 28#endif /* CONFIG_PCI */ 29 30#ifdef CONFIG_PCI_MSI_IRQ_DOMAIN 31/* 32 * This is a bit of an annoying hack, and it assumes we only have 33 * the virt-pci (if anything). Which is true, but still. 34 */ 35void *pci_root_bus_fwnode(struct pci_bus *bus); 36#define pci_root_bus_fwnode pci_root_bus_fwnode 37#endif 38 39#endif /* __ASM_UM_PCI_H */