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PCI: Remove unused Optimized Buffer Flush/Fill support

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My philosophy is unused code is dead code.  And dead code is subject to bit
rot and is a likely source of bugs.  Use it or lose it.

This reverts 48a92a8179 ("PCI: add OBFF enable/disable support"),
removing these interfaces:

    pci_enable_obff()
    pci_disable_obff()

[bhelgaas: split to separate patch, also remove prototypes from pci.h]
Signed-off-by: Stephen Hemminger <stephen@networkplumber.org>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
CC: Jesse Barnes <jbarnes@virtuousgeek.org>
This commit is contained in:
Stephen Hemminger 2014-01-10 14:01:05 -07:00 • committed by Bjorn Helgaas
parent 3ea8197e13
commit ecc8635608
2 changed files with 0 additions and 89 deletions
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16
include/linux/pci.h
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@ -1002,13 +1002,6 @@ static inline int pci_enable_wake(struct pci_dev *dev, pci_power_t state,
void pci_enable_ido(struct pci_dev *dev, unsigned long type);
void pci_disable_ido(struct pci_dev *dev, unsigned long type);
enum pci_obff_signal_type {
PCI_EXP_OBFF_SIGNAL_L0 = 0,
PCI_EXP_OBFF_SIGNAL_ALWAYS = 1,
};
int pci_enable_obff(struct pci_dev *dev, enum pci_obff_signal_type);
void pci_disable_obff(struct pci_dev *dev);
/* For use by arch with custom probe code */
void set_pcie_port_type(struct pci_dev *pdev);
void set_pcie_hotplug_bridge(struct pci_dev *pdev);
@ -1427,15 +1420,6 @@ static inline void pci_disable_ido(struct pci_dev *dev, unsigned long type)
{
}
static inline int pci_enable_obff(struct pci_dev *dev, unsigned long type)
{
return 0;
}
static inline void pci_disable_obff(struct pci_dev *dev)
{
}
static inline int pci_request_regions(struct pci_dev *dev, const char *res_name)
{
return -EIO;