diff --git a/arch/arm/include/asm/arch-mx6/clock.h b/arch/arm/include/asm/arch-mx6/clock.h
index 2d9c45e255da011c119e6d38bc9feaacb301855d..26afefb081817e59a15808a4a7516e0e0c7f5fc2 100644
--- a/arch/arm/include/asm/arch-mx6/clock.h
+++ b/arch/arm/include/asm/arch-mx6/clock.h
@@ -80,4 +80,5 @@ void enable_thermal_clk(void);
 void mxs_set_lcdclk(u32 base_addr, u32 freq);
 void select_ldb_di_clock_source(enum ldb_di_clock clk);
 void enable_eim_clk(unsigned char enable);
+int do_mx6_showclocks(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]);
 #endif /* __ASM_ARCH_CLOCK_H */