PCI: Remove unused pci_enable_device_io()

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>

diff --git a/drivers/pci/pci.c b/drivers/pci/pci.c
index 5a25facb3ce7859dced2bba4f727355c5d280b15..d3fabfca7e6f6e0b880b7aaaab2d71001c88a746 100644 (file)
--- a/drivers/pci/pci.c
+++ b/drivers/pci/pci.c
@@ -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

diff --git a/include/linux/pci.h b/include/linux/pci.h
index 6a09bd9636d5830c02dc94effcc637394da6a058..69b10f2fb6067bf4984f704c945e48c88a7c94cc 100644 (file)
--- a/include/linux/pci.h
+++ b/include/linux/pci.h
@@ -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);