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Commit 804ee5be authored by Johannes Thumshirn's avatar Johannes Thumshirn Committed by Bjorn Helgaas
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PCI: Remove unused pci_request_region_exclusive() 



pci_request_region_exclusive() was introduced with commit e8de1481
("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: default avatarJohannes Thumshirn <jthumshirn@suse.de>
Signed-off-by: default avatarBjorn Helgaas <bhelgaas@google.com>
parent 296bd5ae

drivers/pci/pci.c

+0 −25
Original line number Diff line number Diff line
@@ -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

include/linux/pci.h

+0 −1
Original line number Diff line number Diff line
@@ -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 *);