1
0
Fork 0
mirror of synced 2025-03-06 20:59:54 +01:00
linux/arch/alpha/include/asm/pci.h
Stafford Horne ae85b23c65 PCI: Remove pci_get_legacy_ide_irq() and asm-generic/pci.h
pci_get_legacy_ide_irq() is only used on platforms that support PNP, so
many architectures define it but never use it.  Replace uses of it with
ATA_PRIMARY_IRQ() and ATA_SECONDARY_IRQ(), which provide the same
functionality.

Since pci_get_legacy_ide_irq() is no longer used, remove all the
architecture-specific definitions of it as well as asm-generic/pci.h, which
only provides pci_get_legacy_ide_irq()

[bhelgaas: commit log]
Co-developed-by: Arnd Bergmann <arnd@arndb.de>
Link: https://lore.kernel.org/r/20220722214944.831438-2-shorne@gmail.com
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Stafford Horne <shorne@gmail.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Acked-by: Geert Uytterhoeven <geert@linux-m68k.org>
Acked-by: Pierre Morel <pmorel@linux.ibm.com>
Acked-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
2022-07-22 17:23:45 -05:00

94 lines
2.5 KiB
C

/* SPDX-License-Identifier: GPL-2.0 */
#ifndef __ALPHA_PCI_H
#define __ALPHA_PCI_H
#ifdef __KERNEL__
#include <linux/spinlock.h>
#include <linux/dma-mapping.h>
#include <linux/scatterlist.h>
#include <asm/machvec.h>
/*
* The following structure is used to manage multiple PCI busses.
*/
struct pci_iommu_arena;
struct page;
/* A controller. Used to manage multiple PCI busses. */
struct pci_controller {
struct pci_controller *next;
struct pci_bus *bus;
struct resource *io_space;
struct resource *mem_space;
/* The following are for reporting to userland. The invariant is
that if we report a BWX-capable dense memory, we do not report
a sparse memory at all, even if it exists. */
unsigned long sparse_mem_base;
unsigned long dense_mem_base;
unsigned long sparse_io_base;
unsigned long dense_io_base;
/* This one's for the kernel only. It's in KSEG somewhere. */
unsigned long config_space_base;
unsigned int index;
/* For compatibility with current (as of July 2003) pciutils
and XFree86. Eventually will be removed. */
unsigned int need_domain_info;
struct pci_iommu_arena *sg_pci;
struct pci_iommu_arena *sg_isa;
void *sysdata;
};
/* Override the logic in pci_scan_bus for skipping already-configured
bus numbers. */
#define pcibios_assign_all_busses() 1
#define PCIBIOS_MIN_IO alpha_mv.min_io_address
#define PCIBIOS_MIN_MEM alpha_mv.min_mem_address
/* IOMMU controls. */
#define pci_domain_nr(bus) ((struct pci_controller *)(bus)->sysdata)->index
static inline int pci_proc_domain(struct pci_bus *bus)
{
struct pci_controller *hose = bus->sysdata;
return hose->need_domain_info;
}
#endif /* __KERNEL__ */
/* Values for the `which' argument to sys_pciconfig_iobase. */
#define IOBASE_HOSE 0
#define IOBASE_SPARSE_MEM 1
#define IOBASE_DENSE_MEM 2
#define IOBASE_SPARSE_IO 3
#define IOBASE_DENSE_IO 4
#define IOBASE_ROOT_BUS 5
#define IOBASE_FROM_HOSE 0x10000
extern struct pci_dev *isa_bridge;
extern int pci_legacy_read(struct pci_bus *bus, loff_t port, u32 *val,
size_t count);
extern int pci_legacy_write(struct pci_bus *bus, loff_t port, u32 val,
size_t count);
extern int pci_mmap_legacy_page_range(struct pci_bus *bus,
struct vm_area_struct *vma,
enum pci_mmap_state mmap_state);
extern void pci_adjust_legacy_attr(struct pci_bus *bus,
enum pci_mmap_state mmap_type);
#define HAVE_PCI_LEGACY 1
extern int pci_create_resource_files(struct pci_dev *dev);
extern void pci_remove_resource_files(struct pci_dev *dev);
#endif /* __ALPHA_PCI_H */