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PCI: Move multiple declarations of pci_mmap_page_range() to <linux/pci.h>

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We can declare it <linux/pci.h> even on platforms where it isn't going to
be defined.  There's no need to have it littered through the various
<asm/pci.h> files.

Signed-off-by: David Woodhouse <dwmw@amazon.co.uk>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
This commit is contained in:
David Woodhouse 2017-04-12 13:25:55 +01:00 committed by Bjorn Helgaas
parent ae749c7ab4
commit 11df19546f
14 changed files with 8 additions and 38 deletions
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2
arch/arm/include/asm/pci.h
View file

@ -29,8 +29,6 @@ static inline int pci_proc_domain(struct pci_bus *bus)
#define PCI_DMA_BUS_IS_PHYS (1)
#define HAVE_PCI_MMAP
extern int pci_mmap_page_range(struct pci_dev *dev, struct vm_area_struct *vma,
enum pci_mmap_state mmap_state, int write_combine);
static inline int pci_get_legacy_ide_irq(struct pci_dev *dev, int channel)
{

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

@ -42,9 +42,6 @@ struct pci_dev;
#define PCI_DMA_BUS_IS_PHYS (1)
#define HAVE_PCI_MMAP
extern int pci_mmap_page_range(struct pci_dev *dev, struct vm_area_struct *vma,
enum pci_mmap_state mmap_state, int write_combine);
#endif /* __KERNEL__ */

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

@ -53,8 +53,6 @@ extern unsigned long ia64_max_iommu_merge_mask;
#define HAVE_PCI_MMAP
#define arch_can_pci_mmap_wc() 1
extern int pci_mmap_page_range (struct pci_dev *dev, struct vm_area_struct *vma,
enum pci_mmap_state mmap_state, int write_combine);
#define HAVE_PCI_LEGACY
extern int pci_mmap_legacy_page_range(struct pci_bus *bus,
struct vm_area_struct *vma,

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

@ -46,9 +46,6 @@ extern int pci_domain_nr(struct pci_bus *bus);
extern int pci_proc_domain(struct pci_bus *bus);
struct vm_area_struct;
/* Map a range of PCI memory or I/O space for a device into user space */
int pci_mmap_page_range(struct pci_dev *pdev, struct vm_area_struct *vma,
enum pci_mmap_state mmap_state, int write_combine);
/* Tell drivers/pci/proc.c that we have pci_mmap_page_range() */
#define HAVE_PCI_MMAP 1

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

@ -111,9 +111,6 @@ extern void pcibios_set_master(struct pci_dev *dev);
#define HAVE_PCI_MMAP
extern int pci_mmap_page_range(struct pci_dev *dev, struct vm_area_struct *vma,
enum pci_mmap_state mmap_state, int write_combine);
#define HAVE_ARCH_PCI_RESOURCE_TO_USER
/*

3
arch/mn10300/include/asm/pci.h
View file

@ -74,9 +74,6 @@ static inline int pci_controller_num(struct pci_dev *dev)
}
#define HAVE_PCI_MMAP
extern int pci_mmap_page_range(struct pci_dev *dev, struct vm_area_struct *vma,
enum pci_mmap_state mmap_state,
int write_combine);
#endif /* __KERNEL__ */

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

@ -201,7 +201,4 @@ static inline int pci_get_legacy_ide_irq(struct pci_dev *dev, int channel)
#define HAVE_PCI_MMAP
extern int pci_mmap_page_range(struct pci_dev *dev, struct vm_area_struct *vma,
enum pci_mmap_state mmap_state, int write_combine);
#endif /* __ASM_PARISC_PCI_H */

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

@ -77,9 +77,6 @@ extern int pci_domain_nr(struct pci_bus *bus);
extern int pci_proc_domain(struct pci_bus *bus);
struct vm_area_struct;
/* Map a range of PCI memory or I/O space for a device into user space */
int pci_mmap_page_range(struct pci_dev *pdev, struct vm_area_struct *vma,
enum pci_mmap_state mmap_state, int write_combine);
/* Tell drivers/pci/proc.c that we have pci_mmap_page_range() and it does WC */
#define HAVE_PCI_MMAP 1

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

@ -66,8 +66,7 @@ extern unsigned long PCIBIOS_MIN_IO, PCIBIOS_MIN_MEM;
struct pci_dev;
#define HAVE_PCI_MMAP
extern int pci_mmap_page_range(struct pci_dev *dev, struct vm_area_struct *vma,
enum pci_mmap_state mmap_state, int write_combine);
extern void pcibios_set_master(struct pci_dev *dev);
/* Dynamic DMA mapping stuff.

4
arch/sparc/include/asm/pci_64.h
View file

@ -45,10 +45,6 @@ static inline int pci_proc_domain(struct pci_bus *bus)
#define HAVE_ARCH_PCI_GET_UNMAPPED_AREA
#define get_pci_unmapped_area get_fb_unmapped_area
int pci_mmap_page_range(struct pci_dev *dev, struct vm_area_struct *vma,
enum pci_mmap_state mmap_state,
int write_combine);
static inline int pci_get_legacy_ide_irq(struct pci_dev *dev, int channel)
{
return PCI_IRQ_NONE;

2
arch/unicore32/include/asm/pci.h
View file

@ -17,8 +17,6 @@
#include <mach/hardware.h> /* for PCIBIOS_MIN_* */
#define HAVE_PCI_MMAP
extern int pci_mmap_page_range(struct pci_dev *dev, struct vm_area_struct *vma,
enum pci_mmap_state mmap_state, int write_combine);
#endif /* __KERNEL__ */
#endif

4
arch/x86/include/asm/pci.h
View file

@ -104,10 +104,6 @@ int pcibios_set_irq_routing(struct pci_dev *dev, int pin, int irq);
#define HAVE_PCI_MMAP
#define arch_can_pci_mmap_wc() pat_enabled()
extern int pci_mmap_page_range(struct pci_dev *dev, struct vm_area_struct *vma,
enum pci_mmap_state mmap_state,
int write_combine);
#ifdef CONFIG_PCI
extern void early_quirks(void);

4
arch/xtensa/include/asm/pci.h
View file

@ -46,10 +46,6 @@ struct pci_dev;
#define PCI_DMA_BUS_IS_PHYS (1)
/* Map a range of PCI memory or I/O space for a device into user space */
int pci_mmap_page_range(struct pci_dev *pdev, struct vm_area_struct *vma,
enum pci_mmap_state mmap_state, int write_combine);
/* Tell drivers/pci/proc.c that we have pci_mmap_page_range() */
#define HAVE_PCI_MMAP 1

7
include/linux/pci.h
View file

@ -1626,6 +1626,13 @@ static inline int pci_get_new_domain_nr(void) { return -ENOSYS; }
#include <asm/pci.h>
/* Map a range of PCI memory or I/O space for a device into user space.
* Architectures provide this function if they set HAVE_PCI_MMAP, and
* it accepts the 'write_combine' argument when arch_can_pci_mmap_wc()
* evaluates to nonzero. */
int pci_mmap_page_range(struct pci_dev *pdev, struct vm_area_struct *vma,
enum pci_mmap_state mmap_state, int write_combine);
#ifndef arch_can_pci_mmap_wc
#define arch_can_pci_mmap_wc() 0
#endif