PCI: Unexport of_pci_parse_bus_range()

of_pci_parse_bus_range() is only used in drivers/pci/of.c, so make it
static and unexport it.

Link: https://lore.kernel.org/r/20250113231557.441289-2-helgaas@kernel.org
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Reviewed-by: Rob Herring (Arm) <robh@kernel.org>
Reviewed-by: Kuppuswamy Sathyanarayanan <sathyanarayanan.kuppuswamy@linux.intel.com>

Author: bjorn-helgaas

drivers/pci/of.c

@@ -190,7 +190,8 @@ EXPORT_SYMBOL_GPL(of_pci_get_devfn);
  *
  * Returns 0 on success or a negative error-code on failure.
  */
-int of_pci_parse_bus_range(struct device_node *node, struct resource *res)
+static int of_pci_parse_bus_range(struct device_node *node,
+				  struct resource *res)
 {
 	u32 bus_range[2];
 	int error;
@@ -207,7 +208,6 @@ int of_pci_parse_bus_range(struct device_node *node, struct resource *res)
 
 	return 0;
 }
-EXPORT_SYMBOL_GPL(of_pci_parse_bus_range);
 
 /**
  * of_get_pci_domain_nr - Find the host bridge domain number

drivers/pci/pci.h

@@ -797,7 +797,6 @@ static inline u64 pci_rebar_size_to_bytes(int size)
 struct device_node;
 
 #ifdef CONFIG_OF
-int of_pci_parse_bus_range(struct device_node *node, struct resource *res);
 int of_get_pci_domain_nr(struct device_node *node);
 int of_pci_get_max_link_speed(struct device_node *node);
 u32 of_pci_get_slot_power_limit(struct device_node *node,
@@ -813,12 +812,6 @@ int devm_of_pci_bridge_init(struct device *dev, struct pci_host_bridge *bridge);
 bool of_pci_supply_present(struct device_node *np);
 
 #else
-static inline int
-of_pci_parse_bus_range(struct device_node *node, struct resource *res)
-{
-	return -EINVAL;
-}
-
 static inline int
 of_get_pci_domain_nr(struct device_node *node)
 {