bios/sdram: add __attribute__((unused)) on cdelay

diff --git a/litex/soc/software/bios/sdram.c b/litex/soc/software/bios/sdram.c
index 409a7b812e5228c59ddd4b874b5c50937961e068..ebd53130e186192dbaa6c5346d690914339acbab 100644 (file)
--- a/litex/soc/software/bios/sdram.c
+++ b/litex/soc/software/bios/sdram.c
@@ -17,7 +17,7 @@
 #define MAIN_RAM_BASE SRAM_BASE
 #endif
 
-static void cdelay(int i)
+__attribute__((unused)) static void cdelay(int i)
 {
        while(i > 0) {
 #if defined (__lm32__)