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PCI: Remove unused pci_enable_device_io()

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After the last user was removed, remove this PCI core function.  It's very
unlikely that we'll see a new device requiring io space access, even though
memory space access is supported.

Link: https://lore.kernel.org/r/213ebf62-53a3-42b7-8518-ecd5cd6d6b08@gmail.com
Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Reviewed-by: Damien Le Moal <dlemoal@kernel.org>
This commit is contained in:
Heiner Kallweit 2024-03-23 18:16:36 +01:00 committed by Bjorn Helgaas
parent d9d005c894
commit 844177a807
2 changed files with 0 additions and 15 deletions
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14
drivers/pci/pci.c
View File

@ -2110,20 +2110,6 @@ static int pci_enable_device_flags(struct pci_dev *dev, unsigned long flags)
return err;
}
/**
* pci_enable_device_io - Initialize a device for use with IO space
* @dev: PCI device to be initialized
*
* Initialize device before it's used by a driver. Ask low-level code
* to enable I/O resources. Wake up the device if it was suspended.
* Beware, this function can fail.
*/
int pci_enable_device_io(struct pci_dev *dev)
{
return pci_enable_device_flags(dev, IORESOURCE_IO);
}
EXPORT_SYMBOL(pci_enable_device_io);
/**
* pci_enable_device_mem - Initialize a device for use with Memory space
* @dev: PCI device to be initialized

1
include/linux/pci.h
View File

@ -1313,7 +1313,6 @@ int pci_user_write_config_word(struct pci_dev *dev, int where, u16 val);
int pci_user_write_config_dword(struct pci_dev *dev, int where, u32 val);
int __must_check pci_enable_device(struct pci_dev *dev);
int __must_check pci_enable_device_io(struct pci_dev *dev);
int __must_check pci_enable_device_mem(struct pci_dev *dev);
int __must_check pci_reenable_device(struct pci_dev *);
int __must_check pcim_enable_device(struct pci_dev *pdev);