../drivers/net/ethernet/stmicro/stmmac/dwmac-loongson.c: In function ‘loongson_dwmac_probe’:
../drivers/net/ethernet/stmicro/stmmac/dwmac-loongson.c:526:18: warning: unused variable ‘i’ [-Wunused-variable]
  526 |         int ret, i;
      |                  ^
../drivers/net/ethernet/stmicro/stmmac/dwmac-loongson.c: In function ‘loongson_dwmac_remove’:
../drivers/net/ethernet/stmicro/stmmac/dwmac-loongson.c:608:13: warning: unused variable ‘i’ [-Wunused-variable]
  608 |         int i;
      |             ^