PCI: Add Kconfig option to disable deprecated pci_find_* API

Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

3 files changed, 23 insertions, 3 deletions

diff --git a/drivers/pci/Kconfig b/drivers/pci/Kconfig
index 7a1d6d51283..e1ca42591ac 100644
--- a/drivers/pci/Kconfig
+++ b/drivers/pci/Kconfig
@@ -21,6 +21,17 @@ config PCI_MSI
 
 	   If you don't know what to do here, say N.
 
+config PCI_LEGACY
+	bool "Enable deprecated pci_find_* API"
+	depends on PCI
+	default y
+	help
+	  Say Y here if you want to include support for the deprecated
+	  pci_find_slot() and pci_find_device() APIs.  Most drivers have
+	  been converted over to using the proper hotplug APIs, so this
+	  option serves to include/exclude only a few drivers that are
+	  still using this API.
+
 config PCI_DEBUG
 	bool "PCI Debugging"
 	depends on PCI && DEBUG_KERNEL
diff --git a/drivers/pci/hotplug/Kconfig b/drivers/pci/hotplug/Kconfig
index 63d62752fb9..a64449d489d 100644
--- a/drivers/pci/hotplug/Kconfig
+++ b/drivers/pci/hotplug/Kconfig
@@ -41,7 +41,7 @@ config HOTPLUG_PCI_FAKE
 
 config HOTPLUG_PCI_COMPAQ
 	tristate "Compaq PCI Hotplug driver"
-	depends on X86 && PCI_BIOS
+	depends on X86 && PCI_BIOS && PCI_LEGACY
 	help
 	  Say Y here if you have a motherboard with a Compaq PCI Hotplug
 	  controller.
@@ -63,7 +63,7 @@ config HOTPLUG_PCI_COMPAQ_NVRAM
 
 config HOTPLUG_PCI_IBM
 	tristate "IBM PCI Hotplug driver"
-	depends on X86_IO_APIC && X86 && PCI_BIOS
+	depends on X86_IO_APIC && X86 && PCI_BIOS && PCI_LEGACY
 	help
 	  Say Y here if you have a motherboard with a IBM PCI Hotplug
 	  controller.
@@ -119,7 +119,7 @@ config HOTPLUG_PCI_CPCI_ZT5550
 
 config HOTPLUG_PCI_CPCI_GENERIC
 	tristate "Generic port I/O CompactPCI Hotplug driver"
-	depends on HOTPLUG_PCI_CPCI && X86
+	depends on HOTPLUG_PCI_CPCI && X86 && PCI_LEGACY
 	help
 	  Say Y here if you have a CompactPCI system card that exposes the #ENUM
 	  hotswap signal as a bit in a system register that can be read through
diff --git a/drivers/pci/search.c b/drivers/pci/search.c
index b001b5922e3..8541034021f 100644
--- a/drivers/pci/search.c
+++ b/drivers/pci/search.c
@@ -113,6 +113,8 @@ pci_find_next_bus(const struct pci_bus *from)
 	return b;
 }
 
+#ifdef CONFIG_PCI_LEGACY
+
 /**
  * pci_find_slot - locate PCI device from a given PCI slot
  * @bus: number of PCI bus on which desired PCI device resides
@@ -137,6 +139,8 @@ pci_find_slot(unsigned int bus, unsigned int devfn)
 	return NULL;
 }
 
+#endif /* CONFIG_PCI_LEGACY */
+
 /**
  * pci_get_slot - locate PCI device for a given PCI slot
  * @bus: PCI bus on which desired PCI device resides
@@ -200,6 +204,7 @@ struct pci_dev * pci_get_bus_and_slot(unsigned int bus, unsigned int devfn)
 	return NULL;
 }
 
+#ifdef CONFIG_PCI_LEGACY
 /**
  * pci_find_subsys - begin or continue searching for a PCI device by vendor/subvendor/device/subdevice id
  * @vendor: PCI vendor id to match, or %PCI_ANY_ID to match all vendor ids
@@ -278,6 +283,7 @@ pci_find_device(unsigned int vendor, unsigned int device, const struct pci_dev *
 {
 	return pci_find_subsys(vendor, device, PCI_ANY_ID, PCI_ANY_ID, from);
 }
+#endif /* CONFIG_PCI_LEGACY */
 
 /**
  * pci_get_subsys - begin or continue searching for a PCI device by vendor/subvendor/device/subdevice id
@@ -468,8 +474,11 @@ int pci_dev_present(const struct pci_device_id *ids)
 EXPORT_SYMBOL(pci_dev_present);
 EXPORT_SYMBOL(pci_find_present);
 
+#ifdef CONFIG_PCI_LEGACY
 EXPORT_SYMBOL(pci_find_device);
 EXPORT_SYMBOL(pci_find_slot);
+#endif /* CONFIG_PCI_LEGACY */
+
 /* For boot time work */
 EXPORT_SYMBOL(pci_find_bus);
 EXPORT_SYMBOL(pci_find_next_bus);