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Merge branch 'pci/header-cleanup-immutable'

Browse source 
- Remove pci_get_legacy_ide_irq(); use ATA_PRIMARY_IRQ() and
  ATA_SECONDARY_IRQ() instead (Stafford Horne)

- Remove isa_dma_bridge_buggy, except for x86_32, the only place it's used
  (Stafford Horne)

- Define ARCH_GENERIC_PCI_MMAP_RESOURCE for csky (Stafford Horne)

- Move common PCI definitions that arches sometimes override to
  asm-generic/pci.h (Stafford Horne)

- Include <linux/isa-dma.h> for 'isa_dma_bridge_buggy' when needed
  (bisection hole here) (Randy Dunlap)

* pci/header-cleanup-immutable:
  PCI: Stub __pci_ioport_map() for arches that don't support it at all
  x86/cyrix: include header linux/isa-dma.h
  asm-generic: Add new pci.h and use it
  csky: PCI: Define ARCH_GENERIC_PCI_MMAP_RESOURCE
  PCI: Move isa_dma_bridge_buggy out of asm/dma.h
  PCI: Remove pci_get_legacy_ide_irq() and asm-generic/pci.h
This commit is contained in:
Bjorn Helgaas 2022-08-04 11:46:53 -05:00
commit c4f36c3ab0
39 changed files with 63 additions and 246 deletions
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9
arch/alpha/include/asm/dma.h
View file

@ -365,13 +365,4 @@ extern void free_dma(unsigned int dmanr); /* release it again */
#define KERNEL_HAVE_CHECK_DMA
extern int check_dma(unsigned int dmanr);
/* From PCI */
#ifdef CONFIG_PCI
extern int isa_dma_bridge_buggy;
#else
#define isa_dma_bridge_buggy (0)
#endif
#endif /* _ASM_DMA_H */

6
arch/alpha/include/asm/pci.h
View file

@ -56,12 +56,6 @@ struct pci_controller {
/* IOMMU controls. */
/* TODO: integrate with include/asm-generic/pci.h ? */
static inline int pci_get_legacy_ide_irq(struct pci_dev *dev, int channel)
{
return channel ? 15 : 14;
}
#define pci_domain_nr(bus) ((struct pci_controller *)(bus)->sysdata)->index
static inline int pci_proc_domain(struct pci_bus *bus)

5
arch/arc/include/asm/dma.h
View file

@ -7,10 +7,5 @@
#define ASM_ARC_DMA_H
#define MAX_DMA_ADDRESS 0xC0000000
#ifdef CONFIG_PCI
extern int isa_dma_bridge_buggy;
#else
#define isa_dma_bridge_buggy 0
#endif
#endif

6
arch/arm/include/asm/dma.h
View file

@ -143,10 +143,4 @@ extern int get_dma_residue(unsigned int chan);
#endif /* CONFIG_ISA_DMA_API */
#ifdef CONFIG_PCI
extern int isa_dma_bridge_buggy;
#else
#define isa_dma_bridge_buggy (0)
#endif
#endif /* __ASM_ARM_DMA_H */

5
arch/arm/include/asm/pci.h
View file

@ -22,11 +22,6 @@ static inline int pci_proc_domain(struct pci_bus *bus)
#define HAVE_PCI_MMAP
#define ARCH_GENERIC_PCI_MMAP_RESOURCE
static inline int pci_get_legacy_ide_irq(struct pci_dev *dev, int channel)
{
return channel ? 15 : 14;
}
extern void pcibios_report_status(unsigned int status_mask, int warn);
#endif /* __KERNEL__ */

18
arch/arm64/include/asm/pci.h
View file

@ -9,7 +9,6 @@
#include <asm/io.h>
#define PCIBIOS_MIN_IO 0x1000
#define PCIBIOS_MIN_MEM 0
/*
* Set to 1 if the kernel should re-assign all PCI bus numbers
@ -18,21 +17,8 @@
(pci_has_flag(PCI_REASSIGN_ALL_BUS))
#define arch_can_pci_mmap_wc() 1
#define ARCH_GENERIC_PCI_MMAP_RESOURCE 1
extern int isa_dma_bridge_buggy;
#ifdef CONFIG_PCI
static inline int pci_get_legacy_ide_irq(struct pci_dev *dev, int channel)
{
/* no legacy IRQ on arm64 */
return -ENODEV;
}
static inline int pci_proc_domain(struct pci_bus *bus)
{
return 1;
}
#endif /* CONFIG_PCI */
/* Generic PCI */
#include <asm-generic/pci.h>
#endif /* __ASM_PCI_H */

23
arch/csky/include/asm/pci.h
View file

@ -9,26 +9,7 @@
#include <asm/io.h>
#define PCIBIOS_MIN_IO 0
#define PCIBIOS_MIN_MEM 0
/* C-SKY shim does not initialize PCI bus */
#define pcibios_assign_all_busses() 1
extern int isa_dma_bridge_buggy;
#ifdef CONFIG_PCI
static inline int pci_get_legacy_ide_irq(struct pci_dev *dev, int channel)
{
/* no legacy IRQ on csky */
return -ENODEV;
}
static inline int pci_proc_domain(struct pci_bus *bus)
{
/* always show the domain in /proc */
return 1;
}
#endif /* CONFIG_PCI */
/* Generic PCI */
#include <asm-generic/pci.h>
#endif /* __ASM_CSKY_PCI_H */

2
arch/ia64/include/asm/dma.h
View file

@ -12,8 +12,6 @@
extern unsigned long MAX_DMA_ADDRESS;
extern int isa_dma_bridge_buggy;
#define free_dma(x)
#endif /* _ASM_IA64_DMA_H */

6
arch/ia64/include/asm/pci.h
View file

@ -63,10 +63,4 @@ static inline int pci_proc_domain(struct pci_bus *bus)
return (pci_domain_nr(bus) != 0);
}
#define HAVE_ARCH_PCI_GET_LEGACY_IDE_IRQ
static inline int pci_get_legacy_ide_irq(struct pci_dev *dev, int channel)
{
return channel ? isa_irq_to_vector(15) : isa_irq_to_vector(14);
}
#endif /* _ASM_IA64_PCI_H */

6
arch/m68k/include/asm/dma.h
View file

@ -6,10 +6,4 @@
bootmem allocator (but this should do it for this) */
#define MAX_DMA_ADDRESS PAGE_OFFSET
#ifdef CONFIG_PCI
extern int isa_dma_bridge_buggy;
#else
#define isa_dma_bridge_buggy (0)
#endif
#endif /* _M68K_DMA_H */

2
arch/m68k/include/asm/pci.h
View file

@ -2,8 +2,6 @@
#ifndef _ASM_M68K_PCI_H
#define _ASM_M68K_PCI_H
#include <asm-generic/pci.h>
#define pcibios_assign_all_busses() 1
#define PCIBIOS_MIN_IO 0x00000100

6
arch/microblaze/include/asm/dma.h
View file

@ -9,10 +9,4 @@
/* Virtual address corresponding to last available physical memory address. */
#define MAX_DMA_ADDRESS (CONFIG_KERNEL_START + memory_size - 1)
#ifdef CONFIG_PCI
extern int isa_dma_bridge_buggy;
#else
#define isa_dma_bridge_buggy (0)
#endif
#endif /* _ASM_MICROBLAZE_DMA_H */

8
arch/mips/include/asm/dma.h
View file

@ -307,12 +307,4 @@ static __inline__ int get_dma_residue(unsigned int dmanr)
extern int request_dma(unsigned int dmanr, const char * device_id); /* reserve a DMA channel */
extern void free_dma(unsigned int dmanr); /* release it again */
/* From PCI */
#ifdef CONFIG_PCI
extern int isa_dma_bridge_buggy;
#else
#define isa_dma_bridge_buggy (0)
#endif
#endif /* _ASM_DMA_H */

6
arch/mips/include/asm/pci.h
View file

@ -139,10 +139,4 @@ static inline int pci_proc_domain(struct pci_bus *bus)
/* Do platform specific device initialization at pci_enable_device() time */
extern int pcibios_plat_dev_init(struct pci_dev *dev);
/* Chances are this interrupt is wired PC-style ... */
static inline int pci_get_legacy_ide_irq(struct pci_dev *dev, int channel)
{
return channel ? 15 : 14;
}
#endif /* _ASM_PCI_H */

6
arch/parisc/include/asm/dma.h
View file

@ -176,10 +176,4 @@ static __inline__ void set_dma_count(unsigned int dmanr, unsigned int count)
#define free_dma(dmanr)
#ifdef CONFIG_PCI
extern int isa_dma_bridge_buggy;
#else
#define isa_dma_bridge_buggy (0)
#endif
#endif /* _ASM_DMA_H */

5
arch/parisc/include/asm/pci.h
View file

@ -162,11 +162,6 @@ extern void pcibios_init_bridge(struct pci_dev *);
#define PCIBIOS_MIN_IO 0x10
#define PCIBIOS_MIN_MEM 0x1000 /* NBPG - but pci/setup-res.c dies */
static inline int pci_get_legacy_ide_irq(struct pci_dev *dev, int channel)
{
return channel ? 15 : 14;
}
#define HAVE_PCI_MMAP
#define ARCH_GENERIC_PCI_MMAP_RESOURCE

6
arch/powerpc/include/asm/dma.h
View file

@ -340,11 +340,5 @@ extern int request_dma(unsigned int dmanr, const char *device_id);
/* release it again */
extern void free_dma(unsigned int dmanr);
#ifdef CONFIG_PCI
extern int isa_dma_bridge_buggy;
#else
#define isa_dma_bridge_buggy (0)
#endif
#endif /* __KERNEL__ */
#endif /* _ASM_POWERPC_DMA_H */

1
arch/powerpc/include/asm/pci.h
View file

@ -39,7 +39,6 @@
#define pcibios_assign_all_busses() \
(pci_has_flag(PCI_REASSIGN_ALL_BUS))
#define HAVE_ARCH_PCI_GET_LEGACY_IDE_IRQ
static inline int pci_get_legacy_ide_irq(struct pci_dev *dev, int channel)
{
if (ppc_md.pci_get_legacy_ide_irq)

31
arch/riscv/include/asm/pci.h
View file

@ -12,31 +12,7 @@
#include <asm/io.h>
#define PCIBIOS_MIN_IO 0
#define PCIBIOS_MIN_MEM 0
/* RISC-V shim does not initialize PCI bus */
#define pcibios_assign_all_busses() 1
#define ARCH_GENERIC_PCI_MMAP_RESOURCE 1
extern int isa_dma_bridge_buggy;
#ifdef CONFIG_PCI
static inline int pci_get_legacy_ide_irq(struct pci_dev *dev, int channel)
{
/* no legacy IRQ on risc-v */
return -ENODEV;
}
static inline int pci_proc_domain(struct pci_bus *bus)
{
/* always show the domain in /proc */
return 1;
}
#ifdef CONFIG_NUMA
#if defined(CONFIG_PCI) && defined(CONFIG_NUMA)
static inline int pcibus_to_node(struct pci_bus *bus)
{
return dev_to_node(&bus->dev);
@ -46,8 +22,9 @@ static inline int pcibus_to_node(struct pci_bus *bus)
cpu_all_mask : \
cpumask_of_node(pcibus_to_node(bus)))
#endif
#endif /* CONFIG_NUMA */
#endif /* defined(CONFIG_PCI) && defined(CONFIG_NUMA) */
#endif /* CONFIG_PCI */
/* Generic PCI */
#include <asm-generic/pci.h>
#endif /* _ASM_RISCV_PCI_H */

6
arch/s390/include/asm/dma.h
View file

@ -11,10 +11,4 @@
*/
#define MAX_DMA_ADDRESS 0x80000000
#ifdef CONFIG_PCI
extern int isa_dma_bridge_buggy;
#else
#define isa_dma_bridge_buggy (0)
#endif
#endif /* _ASM_S390_DMA_H */

1
arch/s390/include/asm/pci.h
View file

@ -6,7 +6,6 @@
#include <linux/mutex.h>
#include <linux/iommu.h>
#include <linux/pci_hotplug.h>
#include <asm-generic/pci.h>
#include <asm/pci_clp.h>
#include <asm/pci_debug.h>
#include <asm/sclp.h>

6
arch/sh/include/asm/dma.h
View file

@ -137,10 +137,4 @@ extern int register_chan_caps(const char *dmac, struct dma_chan_caps *capslist);
extern int dma_create_sysfs_files(struct dma_channel *, struct dma_info *);
extern void dma_remove_sysfs_files(struct dma_channel *, struct dma_info *);
#ifdef CONFIG_PCI
extern int isa_dma_bridge_buggy;
#else
#define isa_dma_bridge_buggy (0)
#endif
#endif /* __ASM_SH_DMA_H */

6
arch/sh/include/asm/pci.h
View file

@ -88,10 +88,4 @@ static inline int pci_proc_domain(struct pci_bus *bus)
return hose->need_domain_info;
}
/* Chances are this interrupt is wired PC-style ... */
static inline int pci_get_legacy_ide_irq(struct pci_dev *dev, int channel)
{
return channel ? 15 : 14;
}
#endif /* __ASM_SH_PCI_H */

8
arch/sparc/include/asm/dma.h
View file

@ -82,14 +82,6 @@
#define DMA_BURST64 0x40
#define DMA_BURSTBITS 0x7f
/* From PCI */
#ifdef CONFIG_PCI
extern int isa_dma_bridge_buggy;
#else
#define isa_dma_bridge_buggy (0)
#endif
#ifdef CONFIG_SPARC32
struct device;

9
arch/sparc/include/asm/pci.h
View file

@ -41,13 +41,4 @@ static inline int pci_proc_domain(struct pci_bus *bus)
#define get_pci_unmapped_area get_fb_unmapped_area
#endif /* CONFIG_SPARC64 */
#if defined(CONFIG_SPARC64) || defined(CONFIG_LEON_PCI)
static inline int pci_get_legacy_ide_irq(struct pci_dev *dev, int channel)
{
return PCI_IRQ_NONE;
}
#else
#include <asm-generic/pci.h>
#endif
#endif /* ___ASM_SPARC_PCI_H */

24
arch/um/include/asm/pci.h
View file

@ -4,28 +4,8 @@
#include <linux/types.h>
#include <asm/io.h>
#define PCIBIOS_MIN_IO 0
#define PCIBIOS_MIN_MEM 0
#define pcibios_assign_all_busses() 1
extern int isa_dma_bridge_buggy;
#ifdef CONFIG_PCI
static inline int pci_get_legacy_ide_irq(struct pci_dev *dev, int channel)
{
/* no legacy IRQs */
return -ENODEV;
}
#endif
#ifdef CONFIG_PCI_DOMAINS
static inline int pci_proc_domain(struct pci_bus *bus)
{
/* always show the domain in /proc */
return 1;
}
#endif /* CONFIG_PCI */
/* Generic PCI */
#include <asm-generic/pci.h>
#ifdef CONFIG_PCI_MSI_IRQ_DOMAIN
/*

8
arch/x86/include/asm/dma.h
View file

@ -307,12 +307,4 @@ extern int request_dma(unsigned int dmanr, const char *device_id);
extern void free_dma(unsigned int dmanr);
#endif
/* From PCI */
#ifdef CONFIG_PCI
extern int isa_dma_bridge_buggy;
#else
#define isa_dma_bridge_buggy (0)
#endif
#endif /* _ASM_X86_DMA_H */

3
arch/x86/include/asm/pci.h
View file

@ -105,9 +105,6 @@ static inline void early_quirks(void) { }
extern void pci_iommu_alloc(void);
/* generic pci stuff */
#include <asm-generic/pci.h>
#ifdef CONFIG_NUMA
/* Returns the node based on pci bus */
static inline int __pcibus_to_node(const struct pci_bus *bus)

1
arch/x86/kernel/cpu/cyrix.c
View file

@ -1,6 +1,7 @@
// SPDX-License-Identifier: GPL-2.0
#include <linux/bitops.h>
#include <linux/delay.h>
#include <linux/isa-dma.h>
#include <linux/pci.h>
#include <asm/dma.h>
#include <linux/io.h>

7
arch/xtensa/include/asm/dma.h
View file

@ -52,11 +52,4 @@
extern int request_dma(unsigned int dmanr, const char * device_id);
extern void free_dma(unsigned int dmanr);
#ifdef CONFIG_PCI
extern int isa_dma_bridge_buggy;
#else
#define isa_dma_bridge_buggy (0)
#endif
#endif

3
arch/xtensa/include/asm/pci.h
View file

@ -43,7 +43,4 @@
#define ARCH_GENERIC_PCI_MMAP_RESOURCE 1
#define arch_can_pci_mmap_io() 1
/* Generic PCI */
#include <asm-generic/pci.h>
#endif /* _XTENSA_PCI_H */

2
drivers/comedi/drivers/comedi_isadma.c
View file

@ -8,7 +8,7 @@
#include <linux/slab.h>
#include <linux/delay.h>
#include <linux/dma-mapping.h>
#include <asm/dma.h>
#include <linux/isa-dma.h>
#include <linux/comedi/comedidev.h>
#include <linux/comedi/comedi_isadma.h>

2
drivers/pci/pci.c
View file

@ -41,8 +41,10 @@ const char *pci_power_names[] = {
};
EXPORT_SYMBOL_GPL(pci_power_names);
#ifdef CONFIG_X86_32
int isa_dma_bridge_buggy;
EXPORT_SYMBOL(isa_dma_bridge_buggy);
#endif
int pci_pci_problems;
EXPORT_SYMBOL(pci_pci_problems);

4
drivers/pci/quirks.c
View file

@ -17,6 +17,7 @@
#include <linux/kernel.h>
#include <linux/export.h>
#include <linux/pci.h>
#include <linux/isa-dma.h> /* isa_dma_bridge_buggy */
#include <linux/init.h>
#include <linux/delay.h>
#include <linux/acpi.h>
@ -30,7 +31,6 @@
#include <linux/pm_runtime.h>
#include <linux/suspend.h>
#include <linux/switchtec.h>
#include <asm/dma.h> /* isa_dma_bridge_buggy */
#include "pci.h"
static ktime_t fixup_debug_start(struct pci_dev *dev,
@ -239,6 +239,7 @@ static void quirk_passive_release(struct pci_dev *dev)
DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_82441, quirk_passive_release);
DECLARE_PCI_FIXUP_RESUME(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_82441, quirk_passive_release);
#ifdef CONFIG_X86_32
/*
* The VIA VP2/VP3/MVP3 seem to have some 'features'. There may be a
* workaround but VIA don't answer queries. If you happen to have good
@ -265,6 +266,7 @@ DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_AL, PCI_DEVICE_ID_AL_M1533, quirk_isa_dma
DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_NEC, PCI_DEVICE_ID_NEC_CBUS_1, quirk_isa_dma_hangs);
DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_NEC, PCI_DEVICE_ID_NEC_CBUS_2, quirk_isa_dma_hangs);
DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_NEC, PCI_DEVICE_ID_NEC_CBUS_3, quirk_isa_dma_hangs);
#endif
/*
* Intel NM10 "TigerPoint" LPC PM1a_STS.BM_STS must be clear

5
drivers/pnp/resource.c
View file

@ -17,6 +17,7 @@
#include <asm/dma.h>
#include <asm/irq.h>
#include <linux/pci.h>
#include <linux/libata.h>
#include <linux/ioport.h>
#include <linux/init.h>
@ -322,8 +323,8 @@ static int pci_dev_uses_irq(struct pnp_dev *pnp, struct pci_dev *pci,
* treat the compatibility IRQs as busy.
*/
if ((progif & 0x5) != 0x5)
if (pci_get_legacy_ide_irq(pci, 0) == irq ||
pci_get_legacy_ide_irq(pci, 1) == irq) {
if (ATA_PRIMARY_IRQ(pci) == irq ||
ATA_SECONDARY_IRQ(pci) == irq) {
pnp_dbg(&pnp->dev, " legacy IDE device %s "
"using irq %d\n", pci_name(pci), irq);
return 1;

39
include/asm-generic/pci.h
View file

@ -1,17 +1,30 @@
/* SPDX-License-Identifier: GPL-2.0 */
/*
* linux/include/asm-generic/pci.h
*
* Copyright (C) 2003 Russell King
*/
#ifndef _ASM_GENERIC_PCI_H
#define _ASM_GENERIC_PCI_H
/* SPDX-License-Identifier: GPL-2.0-only */
#ifndef HAVE_ARCH_PCI_GET_LEGACY_IDE_IRQ
static inline int pci_get_legacy_ide_irq(struct pci_dev *dev, int channel)
#ifndef __ASM_GENERIC_PCI_H
#define __ASM_GENERIC_PCI_H
#ifndef PCIBIOS_MIN_IO
#define PCIBIOS_MIN_IO 0
#endif
#ifndef PCIBIOS_MIN_MEM
#define PCIBIOS_MIN_MEM 0
#endif
#ifndef pcibios_assign_all_busses
/* For bootloaders that do not initialize the PCI bus */
#define pcibios_assign_all_busses() 1
#endif
/* Enable generic resource mapping code in drivers/pci/ */
#define ARCH_GENERIC_PCI_MMAP_RESOURCE
#ifdef CONFIG_PCI_DOMAINS
static inline int pci_proc_domain(struct pci_bus *bus)
{
return channel ? 15 : 14;
/* always show the domain in /proc */
return 1;
}
#endif /* HAVE_ARCH_PCI_GET_LEGACY_IDE_IRQ */
#endif /* CONFIG_PCI_DOMAINS */
#endif /* _ASM_GENERIC_PCI_H */
#endif /* __ASM_GENERIC_PCI_H */

2
include/asm-generic/pci_iomap.h
View file

@ -25,6 +25,8 @@ extern void pci_iounmap(struct pci_dev *dev, void __iomem *);
#ifdef CONFIG_NO_GENERIC_PCI_IOPORT_MAP
extern void __iomem *__pci_ioport_map(struct pci_dev *dev, unsigned long port,
unsigned int nr);
#elif !defined(CONFIG_HAS_IOPORT_MAP)
#define __pci_ioport_map(dev, port, nr) NULL
#else
#define __pci_ioport_map(dev, port, nr) ioport_map((port), (nr))
#endif

14
include/linux/isa-dma.h Normal file
View file

@ -0,0 +1,14 @@
/* SPDX-License-Identifier: GPL-2.0 */
#ifndef __LINUX_ISA_DMA_H
#define __LINUX_ISA_DMA_H
#include <asm/dma.h>
#if defined(CONFIG_PCI) && defined(CONFIG_X86_32)
extern int isa_dma_bridge_buggy;
#else
#define isa_dma_bridge_buggy (0)
#endif
#endif /* __LINUX_ISA_DMA_H */

2
sound/core/isadma.c
View file

@ -12,8 +12,8 @@
#undef HAVE_REALLY_SLOW_DMA_CONTROLLER
#include <linux/export.h>
#include <linux/isa-dma.h>
#include <sound/core.h>
#include <asm/dma.h>
/**
* snd_dma_program - program an ISA DMA transfer