PCI: Constify pci_register_io_range() fwnode_handle

pci_register_io_range() does not modify the passed in fwnode_handle, so
make it const.

Acked-by: Bjorn Helgaas <bhelgaas@google.com>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Link: https://lore.kernel.org/r/20241010-dt-const-v1-1-87a51f558425@kernel.org
Signed-off-by: Rob Herring (Arm) <robh@kernel.org>

diff --git a/drivers/pci/pci.c b/drivers/pci/pci.c
index 7d85c04..4b102bd 100644 (file)
--- a/drivers/pci/pci.c
+++ b/drivers/pci/pci.c
@@ -4163,7 +4163,7 @@ EXPORT_SYMBOL(pci_request_regions_exclusive);
  * Record the PCI IO range (expressed as CPU physical address + size).
  * Return a negative value if an error has occurred, zero otherwise
  */
-int pci_register_io_range(struct fwnode_handle *fwnode, phys_addr_t addr,
+int pci_register_io_range(const struct fwnode_handle *fwnode, phys_addr_t addr,
                        resource_size_t size)
 {
        int ret = 0;

diff --git a/include/linux/pci.h b/include/linux/pci.h
index 573b4c4..733ff65 100644 (file)
--- a/include/linux/pci.h
+++ b/include/linux/pci.h
@@ -1556,7 +1556,7 @@ int __must_check pci_bus_alloc_resource(struct pci_bus *bus,
                        void *alignf_data);
 
 
-int pci_register_io_range(struct fwnode_handle *fwnode, phys_addr_t addr,
+int pci_register_io_range(const struct fwnode_handle *fwnode, phys_addr_t addr,
                        resource_size_t size);
 unsigned long pci_address_to_pio(phys_addr_t addr);
 phys_addr_t pci_pio_to_address(unsigned long pio);
@@ -2019,7 +2019,7 @@ static inline int pci_request_regions(struct pci_dev *dev, const char *res_name)
 { return -EIO; }
 static inline void pci_release_regions(struct pci_dev *dev) { }
 
-static inline int pci_register_io_range(struct fwnode_handle *fwnode,
+static inline int pci_register_io_range(const struct fwnode_handle *fwnode,
                                        phys_addr_t addr, resource_size_t size)
 { return -EINVAL; }