pci: pci_read_config can be static

To avoid W=1 build warnings, declare this function as static, since it
is not used outside of this translation module.

Signed-off-by: Vladimir Oltean <vladimir.oltean@nxp.com>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>

diff --git a/drivers/pci/pci-uclass.c b/drivers/pci/pci-uclass.c
index 338a05d..efd8525 100644 (file)
--- a/drivers/pci/pci-uclass.c
+++ b/drivers/pci/pci-uclass.c
@@ -369,8 +369,8 @@ int pci_bus_read_config(const struct udevice *bus, pci_dev_t bdf, int offset,
        return ops->read_config(bus, bdf, offset, valuep, size);
 }
 
-int pci_read_config(pci_dev_t bdf, int offset, unsigned long *valuep,
-                   enum pci_size_t size)
+static int pci_read_config(pci_dev_t bdf, int offset, unsigned long *valuep,
+                          enum pci_size_t size)
 {
        struct udevice *bus;
        int ret;