fpga: altera-freeze-bridge: Address warning about unused variable

warning: unused variable 'altera_freeze_br_of_match'
 [-Wunused-const-variable]
  static const struct of_device_id altera_freeze_br_of_match[] = {

Fixes: ca24a648f535 ("fpga: add altera freeze bridge support")
Cc: Tom Rix <trix@redhat.com>
Reported-by: kernel test robot <lkp@intel.com>
Signed-off-by: Moritz Fischer <mdf@kernel.org>

diff --git a/drivers/fpga/altera-freeze-bridge.c b/drivers/fpga/altera-freeze-bridge.c
index dd58c4a..7d22a44 100644 (file)
--- a/drivers/fpga/altera-freeze-bridge.c
+++ b/drivers/fpga/altera-freeze-bridge.c
@@ -198,11 +198,13 @@ static const struct fpga_bridge_ops altera_freeze_br_br_ops = {
        .enable_show = altera_freeze_br_enable_show,
 };
 
+#ifdef CONFIG_OF
 static const struct of_device_id altera_freeze_br_of_match[] = {
        { .compatible = "altr,freeze-bridge-controller", },
        {},
 };
 MODULE_DEVICE_TABLE(of, altera_freeze_br_of_match);
+#endif
 
 static int altera_freeze_br_probe(struct platform_device *pdev)
 {