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PCI: Unify pci_resource_to_user() declarations

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Replace the pci_resource_to_user() declarations in each arch that defines
HAVE_ARCH_PCI_RESOURCE_TO_USER with a single one in linux/pci.h.

Change the MIPS static inline implementation to a non-inline version so the
static inline doesn't conflict with the new non-static linux/pci.h
declaration.

No functional change intended.

Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
This commit is contained in:
Bjorn Helgaas 2016-06-17 14:43:34 -05:00
parent c444a2be22
commit 8221a01352
6 changed files with 15 additions and 20 deletions
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3
arch/microblaze/include/asm/pci.h
View File

@ -82,9 +82,6 @@ extern pgprot_t pci_phys_mem_access_prot(struct file *file,
pgprot_t prot);
#define HAVE_ARCH_PCI_RESOURCE_TO_USER
extern void pci_resource_to_user(const struct pci_dev *dev, int bar,
const struct resource *rsrc,
resource_size_t *start, resource_size_t *end);
extern void pcibios_setup_bus_devices(struct pci_bus *bus);
extern void pcibios_setup_bus_self(struct pci_bus *bus);

10
arch/mips/include/asm/pci.h
View File

@ -80,16 +80,6 @@ extern int pci_mmap_page_range(struct pci_dev *dev, struct vm_area_struct *vma,
#define HAVE_ARCH_PCI_RESOURCE_TO_USER
static inline void pci_resource_to_user(const struct pci_dev *dev, int bar,
const struct resource *rsrc, resource_size_t *start,
resource_size_t *end)
{
phys_addr_t size = resource_size(rsrc);
*start = fixup_bigphys_addr(rsrc->start, size);
*end = rsrc->start + size;
}
/*
* Dynamic DMA mapping stuff.
* MIPS has everything mapped statically.

10
arch/mips/pci/pci.c
View File

@ -319,6 +319,16 @@ void pcibios_fixup_bus(struct pci_bus *bus)
EXPORT_SYMBOL(PCIBIOS_MIN_IO);
EXPORT_SYMBOL(PCIBIOS_MIN_MEM);
void pci_resource_to_user(const struct pci_dev *dev, int bar,
const struct resource *rsrc, resource_size_t *start,
resource_size_t *end)
{
phys_addr_t size = resource_size(rsrc);
*start = fixup_bigphys_addr(rsrc->start, size);
*end = rsrc->start + size;
}
int pci_mmap_page_range(struct pci_dev *dev, struct vm_area_struct *vma,
enum pci_mmap_state mmap_state, int write_combine)
{

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

@ -136,9 +136,6 @@ extern pgprot_t pci_phys_mem_access_prot(struct file *file,
pgprot_t prot);
#define HAVE_ARCH_PCI_RESOURCE_TO_USER
extern void pci_resource_to_user(const struct pci_dev *dev, int bar,
const struct resource *rsrc,
resource_size_t *start, resource_size_t *end);
extern resource_size_t pcibios_io_space_offset(struct pci_controller *hose);
extern void pcibios_setup_bus_devices(struct pci_bus *bus);

3
arch/sparc/include/asm/pci_64.h
View File

@ -55,9 +55,6 @@ static inline int pci_get_legacy_ide_irq(struct pci_dev *dev, int channel)
}
#define HAVE_ARCH_PCI_RESOURCE_TO_USER
void pci_resource_to_user(const struct pci_dev *dev, int bar,
const struct resource *rsrc,
resource_size_t *start, resource_size_t *end);
#endif /* __KERNEL__ */
#endif /* __SPARC64_PCI_H */

6
include/linux/pci.h
View File

@ -1554,7 +1554,11 @@ static inline const char *pci_name(const struct pci_dev *pdev)
/* Some archs don't want to expose struct resource to userland as-is
* in sysfs and /proc
*/
#ifndef HAVE_ARCH_PCI_RESOURCE_TO_USER
#ifdef HAVE_ARCH_PCI_RESOURCE_TO_USER
void pci_resource_to_user(const struct pci_dev *dev, int bar,
const struct resource *rsrc,
resource_size_t *start, resource_size_t *end);
#else
static inline void pci_resource_to_user(const struct pci_dev *dev, int bar,
const struct resource *rsrc, resource_size_t *start,
resource_size_t *end)