PCI: Remove unused pci_request_region_exclusive()

pci_request_region_exclusive() was introduced with commit e8de1481fd71
("resource: allow MMIO exclusivity for device drivers") in 2.6.29 which
was released 2008.

It never had an in tree user since then, so after 11 years later let's
remove it.

Signed-off-by: Johannes Thumshirn <jthumshirn@suse.de>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>

diff --git a/drivers/pci/pci.c b/drivers/pci/pci.c
index 7c1b362f599aebc4bbf66acb09fe67fb5d76ea39..d185b49e105a515e49e2ddee4ea1bbc07762aade 100644 (file)
--- a/drivers/pci/pci.c
+++ b/drivers/pci/pci.c
@@ -3706,31 +3706,6 @@ int pci_request_region(struct pci_dev *pdev, int bar, const char *res_name)
 }
 EXPORT_SYMBOL(pci_request_region);
 
-/**
- *     pci_request_region_exclusive - Reserved PCI I/O and memory resource
- *     @pdev: PCI device whose resources are to be reserved
- *     @bar: BAR to be reserved
- *     @res_name: Name to be associated with resource.
- *
- *     Mark the PCI region associated with PCI device @pdev BR @bar as
- *     being reserved by owner @res_name.  Do not access any
- *     address inside the PCI regions unless this call returns
- *     successfully.
- *
- *     Returns 0 on success, or %EBUSY on error.  A warning
- *     message is also printed on failure.
- *
- *     The key difference that _exclusive makes it that userspace is
- *     explicitly not allowed to map the resource via /dev/mem or
- *     sysfs.
- */
-int pci_request_region_exclusive(struct pci_dev *pdev, int bar,
-                                const char *res_name)
-{
-       return __pci_request_region(pdev, bar, res_name, IORESOURCE_EXCLUSIVE);
-}
-EXPORT_SYMBOL(pci_request_region_exclusive);
-
 /**
  * pci_release_selected_regions - Release selected PCI I/O and memory resources
  * @pdev: PCI device whose resources were previously reserved

diff --git a/include/linux/pci.h b/include/linux/pci.h
index 77448215ef5b7373ef6de3f7ff075e422f9302f2..5f32275358cf6ad99af7e76fcfd022009ba5648c 100644 (file)
--- a/include/linux/pci.h
+++ b/include/linux/pci.h
@@ -1233,7 +1233,6 @@ int __must_check pci_request_regions(struct pci_dev *, const char *);
 int __must_check pci_request_regions_exclusive(struct pci_dev *, const char *);
 void pci_release_regions(struct pci_dev *);
 int __must_check pci_request_region(struct pci_dev *, int, const char *);
-int __must_check pci_request_region_exclusive(struct pci_dev *, int, const char *);
 void pci_release_region(struct pci_dev *, int);
 int pci_request_selected_regions(struct pci_dev *, int, const char *);
 int pci_request_selected_regions_exclusive(struct pci_dev *, int, const char *);