diff --git a/arch/arc/lib/cpu.c b/arch/arc/lib/cpu.c
index 01cca95d5b..83246550ec 100644
--- a/arch/arc/lib/cpu.c
+++ b/arch/arc/lib/cpu.c
@@ -5,6 +5,7 @@
 
 #include <common.h>
 #include <malloc.h>
+#include <vsprintf.h>
 #include <asm/arcregs.h>
 #include <asm/cache.h>
 
diff --git a/arch/arm/cpu/arm926ejs/mx25/generic.c b/arch/arm/cpu/arm926ejs/mx25/generic.c
index 5fcf06ae1a..eeb61d0d10 100644
--- a/arch/arm/cpu/arm926ejs/mx25/generic.c
+++ b/arch/arm/cpu/arm926ejs/mx25/generic.c
@@ -11,6 +11,7 @@
 #include <common.h>
 #include <div64.h>
 #include <netdev.h>
+#include <vsprintf.h>
 #include <asm/io.h>
 #include <asm/arch-imx/cpu.h>
 #include <asm/arch/imx-regs.h>
diff --git a/arch/arm/cpu/arm926ejs/mx27/generic.c b/arch/arm/cpu/arm926ejs/mx27/generic.c
index 08b1b4de71..9bed0e91be 100644
--- a/arch/arm/cpu/arm926ejs/mx27/generic.c
+++ b/arch/arm/cpu/arm926ejs/mx27/generic.c
@@ -7,6 +7,7 @@
 #include <common.h>
 #include <div64.h>
 #include <netdev.h>
+#include <vsprintf.h>
 #include <asm/io.h>
 #include <asm/arch/imx-regs.h>
 #include <asm/arch/clock.h>
diff --git a/arch/arm/cpu/armv7/ls102xa/cpu.c b/arch/arm/cpu/armv7/ls102xa/cpu.c
index 9ccfe1042c..ec9984db79 100644
--- a/arch/arm/cpu/armv7/ls102xa/cpu.c
+++ b/arch/arm/cpu/armv7/ls102xa/cpu.c
@@ -4,6 +4,7 @@
  */
 
 #include <common.h>
+#include <vsprintf.h>
 #include <asm/arch/clock.h>
 #include <asm/io.h>
 #include <asm/arch/immap_ls102xa.h>
diff --git a/arch/arm/cpu/armv8/fsl-layerscape/cpu.c b/arch/arm/cpu/armv8/fsl-layerscape/cpu.c
index 83a3319321..59d03b167c 100644
--- a/arch/arm/cpu/armv8/fsl-layerscape/cpu.c
+++ b/arch/arm/cpu/armv8/fsl-layerscape/cpu.c
@@ -7,6 +7,7 @@
 #include <common.h>
 #include <env.h>
 #include <fsl_ddr_sdram.h>
+#include <vsprintf.h>
 #include <asm/io.h>
 #include <linux/errno.h>
 #include <asm/system.h>
diff --git a/arch/arm/mach-at91/arm926ejs/cpu.c b/arch/arm/mach-at91/arm926ejs/cpu.c
index 6f5aa4274b..e9b4e06595 100644
--- a/arch/arm/mach-at91/arm926ejs/cpu.c
+++ b/arch/arm/mach-at91/arm926ejs/cpu.c
@@ -7,6 +7,7 @@
  */
 
 #include <common.h>
+#include <vsprintf.h>
 #include <asm/io.h>
 #include <asm/arch/hardware.h>
 #include <asm/arch/at91_pit.h>
diff --git a/arch/arm/mach-at91/armv7/cpu.c b/arch/arm/mach-at91/armv7/cpu.c
index 5da067cda1..638645c7e4 100644
--- a/arch/arm/mach-at91/armv7/cpu.c
+++ b/arch/arm/mach-at91/armv7/cpu.c
@@ -9,6 +9,7 @@
  */
 
 #include <common.h>
+#include <vsprintf.h>
 #include <asm/io.h>
 #include <asm/arch/hardware.h>
 #include <asm/arch/at91_pit.h>
diff --git a/arch/m68k/cpu/mcf5227x/cpu.c b/arch/m68k/cpu/mcf5227x/cpu.c
index 7ad023dac5..34534d876b 100644
--- a/arch/m68k/cpu/mcf5227x/cpu.c
+++ b/arch/m68k/cpu/mcf5227x/cpu.c
@@ -9,6 +9,7 @@
  */
 
 #include <common.h>
+#include <vsprintf.h>
 #include <watchdog.h>
 #include <command.h>
 
diff --git a/arch/m68k/cpu/mcf523x/cpu.c b/arch/m68k/cpu/mcf523x/cpu.c
index 79be04f7a0..429781945b 100644
--- a/arch/m68k/cpu/mcf523x/cpu.c
+++ b/arch/m68k/cpu/mcf523x/cpu.c
@@ -9,6 +9,7 @@
  */
 
 #include <common.h>
+#include <vsprintf.h>
 #include <watchdog.h>
 #include <command.h>
 #include <netdev.h>
diff --git a/arch/m68k/cpu/mcf52x2/cpu.c b/arch/m68k/cpu/mcf52x2/cpu.c
index 29a17c57fc..b48a753f9b 100644
--- a/arch/m68k/cpu/mcf52x2/cpu.c
+++ b/arch/m68k/cpu/mcf52x2/cpu.c
@@ -14,6 +14,7 @@
  */
 
 #include <common.h>
+#include <vsprintf.h>
 #include <watchdog.h>
 #include <command.h>
 #include <asm/immap.h>
diff --git a/arch/m68k/cpu/mcf530x/cpu.c b/arch/m68k/cpu/mcf530x/cpu.c
index c7ae65afce..a76deebc68 100644
--- a/arch/m68k/cpu/mcf530x/cpu.c
+++ b/arch/m68k/cpu/mcf530x/cpu.c
@@ -5,6 +5,7 @@
  */
 
 #include <common.h>
+#include <vsprintf.h>
 #include <asm/immap.h>
 #include <asm/io.h>
 
diff --git a/arch/m68k/cpu/mcf532x/cpu.c b/arch/m68k/cpu/mcf532x/cpu.c
index a01b5e65a7..c8a1f20530 100644
--- a/arch/m68k/cpu/mcf532x/cpu.c
+++ b/arch/m68k/cpu/mcf532x/cpu.c
@@ -9,6 +9,7 @@
  */
 
 #include <common.h>
+#include <vsprintf.h>
 #include <watchdog.h>
 #include <command.h>
 #include <netdev.h>
diff --git a/arch/m68k/cpu/mcf5445x/cpu.c b/arch/m68k/cpu/mcf5445x/cpu.c
index 56e5585e09..2f79380c8b 100644
--- a/arch/m68k/cpu/mcf5445x/cpu.c
+++ b/arch/m68k/cpu/mcf5445x/cpu.c
@@ -9,6 +9,7 @@
  */
 
 #include <common.h>
+#include <vsprintf.h>
 #include <watchdog.h>
 #include <command.h>
 #include <netdev.h>
diff --git a/arch/m68k/cpu/mcf547x_8x/cpu.c b/arch/m68k/cpu/mcf547x_8x/cpu.c
index 819b25f280..dc5ed1aa79 100644
--- a/arch/m68k/cpu/mcf547x_8x/cpu.c
+++ b/arch/m68k/cpu/mcf547x_8x/cpu.c
@@ -9,6 +9,7 @@
  */
 
 #include <common.h>
+#include <vsprintf.h>
 #include <watchdog.h>
 #include <command.h>
 #include <netdev.h>
diff --git a/arch/powerpc/cpu/mpc83xx/cpu.c b/arch/powerpc/cpu/mpc83xx/cpu.c
index 3048ecf34a..363c0ffd28 100644
--- a/arch/powerpc/cpu/mpc83xx/cpu.c
+++ b/arch/powerpc/cpu/mpc83xx/cpu.c
@@ -10,6 +10,7 @@
  */
 
 #include <common.h>
+#include <vsprintf.h>
 #include <watchdog.h>
 #include <command.h>
 #include <mpc83xx.h>
diff --git a/arch/powerpc/cpu/mpc83xx/spd_sdram.c b/arch/powerpc/cpu/mpc83xx/spd_sdram.c
index 8b5ecdb9ad..08918a9d75 100644
--- a/arch/powerpc/cpu/mpc83xx/spd_sdram.c
+++ b/arch/powerpc/cpu/mpc83xx/spd_sdram.c
@@ -13,6 +13,7 @@
 #ifndef CONFIG_MPC83XX_SDRAM
 
 #include <common.h>
+#include <vsprintf.h>
 #include <asm/processor.h>
 #include <asm/io.h>
 #include <i2c.h>
diff --git a/arch/powerpc/cpu/mpc83xx/speed.c b/arch/powerpc/cpu/mpc83xx/speed.c
index e118a10fa8..93af7f495f 100644
--- a/arch/powerpc/cpu/mpc83xx/speed.c
+++ b/arch/powerpc/cpu/mpc83xx/speed.c
@@ -11,6 +11,7 @@
 #include <common.h>
 #include <mpc83xx.h>
 #include <command.h>
+#include <vsprintf.h>
 #include <asm/processor.h>
 
 DECLARE_GLOBAL_DATA_PTR;
diff --git a/arch/powerpc/cpu/mpc85xx/cpu.c b/arch/powerpc/cpu/mpc85xx/cpu.c
index 5344b175a4..64024612cd 100644
--- a/arch/powerpc/cpu/mpc85xx/cpu.c
+++ b/arch/powerpc/cpu/mpc85xx/cpu.c
@@ -11,6 +11,7 @@
 #include <config.h>
 #include <common.h>
 #include <cpu_func.h>
+#include <vsprintf.h>
 #include <watchdog.h>
 #include <command.h>
 #include <fsl_esdhc.h>
diff --git a/arch/powerpc/cpu/mpc86xx/cpu.c b/arch/powerpc/cpu/mpc86xx/cpu.c
index c023d0684f..1c3c78217c 100644
--- a/arch/powerpc/cpu/mpc86xx/cpu.c
+++ b/arch/powerpc/cpu/mpc86xx/cpu.c
@@ -6,6 +6,7 @@
  */
 
 #include <common.h>
+#include <vsprintf.h>
 #include <watchdog.h>
 #include <command.h>
 #include <asm/cache.h>
diff --git a/arch/powerpc/cpu/mpc8xx/cpu.c b/arch/powerpc/cpu/mpc8xx/cpu.c
index 798eabdc21..6ad86e9a1d 100644
--- a/arch/powerpc/cpu/mpc8xx/cpu.c
+++ b/arch/powerpc/cpu/mpc8xx/cpu.c
@@ -17,6 +17,7 @@
  */
 
 #include <common.h>
+#include <vsprintf.h>
 #include <watchdog.h>
 #include <command.h>
 #include <mpc8xx.h>
diff --git a/arch/xtensa/cpu/cpu.c b/arch/xtensa/cpu/cpu.c
index 64bb0b6ee0..6f4b88f88e 100644
--- a/arch/xtensa/cpu/cpu.c
+++ b/arch/xtensa/cpu/cpu.c
@@ -10,6 +10,7 @@
 
 #include <common.h>
 #include <command.h>
+#include <vsprintf.h>
 #include <linux/stringify.h>
 #include <asm/global_data.h>
 #include <asm/cache.h>
diff --git a/board/Arcturus/ucp1020/ddr.c b/board/Arcturus/ucp1020/ddr.c
index 4b84a1a4c0..a3285ebe5c 100644
--- a/board/Arcturus/ucp1020/ddr.c
+++ b/board/Arcturus/ucp1020/ddr.c
@@ -8,6 +8,7 @@
  */
 
 #include <common.h>
+#include <vsprintf.h>
 #include <asm/mmu.h>
 #include <asm/immap_85xx.h>
 #include <asm/processor.h>
diff --git a/board/atmel/at91sam9261ek/at91sam9261ek.c b/board/atmel/at91sam9261ek/at91sam9261ek.c
index 6f15bc6776..28765315f7 100644
--- a/board/atmel/at91sam9261ek/at91sam9261ek.c
+++ b/board/atmel/at91sam9261ek/at91sam9261ek.c
@@ -7,6 +7,7 @@
 
 #include <common.h>
 #include <debug_uart.h>
+#include <vsprintf.h>
 #include <asm/io.h>
 #include <asm/arch/at91sam9261.h>
 #include <asm/arch/at91sam9261_matrix.h>
diff --git a/board/atmel/at91sam9263ek/at91sam9263ek.c b/board/atmel/at91sam9263ek/at91sam9263ek.c
index 2d882174de..31bb72c0cd 100644
--- a/board/atmel/at91sam9263ek/at91sam9263ek.c
+++ b/board/atmel/at91sam9263ek/at91sam9263ek.c
@@ -7,6 +7,7 @@
 
 #include <common.h>
 #include <debug_uart.h>
+#include <vsprintf.h>
 #include <linux/sizes.h>
 #include <asm/arch/at91sam9263.h>
 #include <asm/arch/at91sam9_smc.h>
diff --git a/board/atmel/at91sam9m10g45ek/at91sam9m10g45ek.c b/board/atmel/at91sam9m10g45ek/at91sam9m10g45ek.c
index 3b277fc575..85004310b1 100644
--- a/board/atmel/at91sam9m10g45ek/at91sam9m10g45ek.c
+++ b/board/atmel/at91sam9m10g45ek/at91sam9m10g45ek.c
@@ -7,6 +7,7 @@
 
 #include <common.h>
 #include <debug_uart.h>
+#include <vsprintf.h>
 #include <asm/io.h>
 #include <asm/arch/clk.h>
 #include <asm/arch/at91sam9g45_matrix.h>
diff --git a/board/atmel/at91sam9n12ek/at91sam9n12ek.c b/board/atmel/at91sam9n12ek/at91sam9n12ek.c
index b2bb7ec992..51b24e1d59 100644
--- a/board/atmel/at91sam9n12ek/at91sam9n12ek.c
+++ b/board/atmel/at91sam9n12ek/at91sam9n12ek.c
@@ -5,6 +5,7 @@
  */
 
 #include <common.h>
+#include <vsprintf.h>
 #include <asm/io.h>
 #include <asm/arch/at91sam9x5_matrix.h>
 #include <asm/arch/at91sam9_smc.h>
diff --git a/board/atmel/at91sam9rlek/at91sam9rlek.c b/board/atmel/at91sam9rlek/at91sam9rlek.c
index 0393307315..4e674d49b3 100644
--- a/board/atmel/at91sam9rlek/at91sam9rlek.c
+++ b/board/atmel/at91sam9rlek/at91sam9rlek.c
@@ -7,6 +7,7 @@
 
 #include <common.h>
 #include <debug_uart.h>
+#include <vsprintf.h>
 #include <asm/io.h>
 #include <asm/mach-types.h>
 #include <asm/arch/at91sam9rl.h>
diff --git a/board/atmel/common/video_display.c b/board/atmel/common/video_display.c
index cc051d2e0c..5cc52139a7 100644
--- a/board/atmel/common/video_display.c
+++ b/board/atmel/common/video_display.c
@@ -11,6 +11,7 @@
 #include <version.h>
 #include <video.h>
 #include <video_console.h>
+#include <vsprintf.h>
 #include <asm/io.h>
 #include <asm/arch/clk.h>
 
diff --git a/board/esd/meesc/meesc.c b/board/esd/meesc/meesc.c
index b0d2f7b6f8..221048a91f 100644
--- a/board/esd/meesc/meesc.c
+++ b/board/esd/meesc/meesc.c
@@ -11,6 +11,7 @@
 
 #include <common.h>
 #include <env.h>
+#include <vsprintf.h>
 #include <asm/io.h>
 #include <asm/gpio.h>
 #include <asm/mach-types.h>
diff --git a/board/freescale/bsc9131rdb/ddr.c b/board/freescale/bsc9131rdb/ddr.c
index f9f8d80213..4b6d91df21 100644
--- a/board/freescale/bsc9131rdb/ddr.c
+++ b/board/freescale/bsc9131rdb/ddr.c
@@ -4,6 +4,7 @@
  */
 
 #include <common.h>
+#include <vsprintf.h>
 #include <asm/mmu.h>
 #include <asm/immap_85xx.h>
 #include <asm/processor.h>
diff --git a/board/freescale/bsc9132qds/ddr.c b/board/freescale/bsc9132qds/ddr.c
index 191ef01d23..f4effe5a2d 100644
--- a/board/freescale/bsc9132qds/ddr.c
+++ b/board/freescale/bsc9132qds/ddr.c
@@ -4,6 +4,7 @@
  */
 
 #include <common.h>
+#include <vsprintf.h>
 #include <asm/mmu.h>
 #include <asm/immap_85xx.h>
 #include <asm/processor.h>
diff --git a/board/freescale/corenet_ds/ddr.c b/board/freescale/corenet_ds/ddr.c
index 38f13ce4b2..9c8731ce78 100644
--- a/board/freescale/corenet_ds/ddr.c
+++ b/board/freescale/corenet_ds/ddr.c
@@ -6,6 +6,7 @@
 #include <common.h>
 #include <i2c.h>
 #include <hwconfig.h>
+#include <vsprintf.h>
 #include <asm/mmu.h>
 #include <fsl_ddr_sdram.h>
 #include <fsl_ddr_dimm_params.h>
diff --git a/board/freescale/ls1043ardb/ddr.c b/board/freescale/ls1043ardb/ddr.c
index 784e482f32..2677b7928f 100644
--- a/board/freescale/ls1043ardb/ddr.c
+++ b/board/freescale/ls1043ardb/ddr.c
@@ -7,6 +7,7 @@
 #include <fsl_ddr_sdram.h>
 #include <fsl_ddr_dimm_params.h>
 #include "ddr.h"
+#include <vsprintf.h>
 #ifdef CONFIG_FSL_DEEP_SLEEP
 #include <fsl_sleep.h>
 #endif
diff --git a/board/freescale/mpc8541cds/mpc8541cds.c b/board/freescale/mpc8541cds/mpc8541cds.c
index 779c99c268..be79a7ca7b 100644
--- a/board/freescale/mpc8541cds/mpc8541cds.c
+++ b/board/freescale/mpc8541cds/mpc8541cds.c
@@ -7,6 +7,7 @@
 
 #include <common.h>
 #include <pci.h>
+#include <vsprintf.h>
 #include <asm/processor.h>
 #include <asm/mmu.h>
 #include <asm/immap_85xx.h>
diff --git a/board/freescale/mpc8548cds/mpc8548cds.c b/board/freescale/mpc8548cds/mpc8548cds.c
index 2799b5b5a4..28f8a998ce 100644
--- a/board/freescale/mpc8548cds/mpc8548cds.c
+++ b/board/freescale/mpc8548cds/mpc8548cds.c
@@ -7,6 +7,7 @@
 
 #include <common.h>
 #include <pci.h>
+#include <vsprintf.h>
 #include <asm/processor.h>
 #include <asm/mmu.h>
 #include <asm/immap_85xx.h>
diff --git a/board/freescale/mpc8555cds/mpc8555cds.c b/board/freescale/mpc8555cds/mpc8555cds.c
index 6cfb8d5191..bc1ebc51ed 100644
--- a/board/freescale/mpc8555cds/mpc8555cds.c
+++ b/board/freescale/mpc8555cds/mpc8555cds.c
@@ -5,6 +5,7 @@
 
 #include <common.h>
 #include <pci.h>
+#include <vsprintf.h>
 #include <asm/processor.h>
 #include <asm/mmu.h>
 #include <asm/immap_85xx.h>
diff --git a/board/freescale/p1010rdb/ddr.c b/board/freescale/p1010rdb/ddr.c
index 01e3eafd12..71f6259b60 100644
--- a/board/freescale/p1010rdb/ddr.c
+++ b/board/freescale/p1010rdb/ddr.c
@@ -4,6 +4,7 @@
  */
 
 #include <common.h>
+#include <vsprintf.h>
 #include <asm/mmu.h>
 #include <asm/immap_85xx.h>
 #include <asm/processor.h>
diff --git a/board/freescale/p1_p2_rdb_pc/ddr.c b/board/freescale/p1_p2_rdb_pc/ddr.c
index b9bd7b5276..2346f6a0c2 100644
--- a/board/freescale/p1_p2_rdb_pc/ddr.c
+++ b/board/freescale/p1_p2_rdb_pc/ddr.c
@@ -4,6 +4,7 @@
  */
 
 #include <common.h>
+#include <vsprintf.h>
 #include <asm/mmu.h>
 #include <asm/immap_85xx.h>
 #include <asm/processor.h>
diff --git a/board/freescale/p1_twr/ddr.c b/board/freescale/p1_twr/ddr.c
index 7e8bd6b8c2..85f1f6344a 100644
--- a/board/freescale/p1_twr/ddr.c
+++ b/board/freescale/p1_twr/ddr.c
@@ -4,6 +4,7 @@
  */
 
 #include <common.h>
+#include <vsprintf.h>
 #include <asm/mmu.h>
 #include <asm/immap_85xx.h>
 #include <asm/processor.h>
diff --git a/board/mini-box/picosam9g45/picosam9g45.c b/board/mini-box/picosam9g45/picosam9g45.c
index 9554fefd4e..9a724040b0 100644
--- a/board/mini-box/picosam9g45/picosam9g45.c
+++ b/board/mini-box/picosam9g45/picosam9g45.c
@@ -11,6 +11,7 @@
  */
 
 #include <common.h>
+#include <vsprintf.h>
 #include <asm/io.h>
 #include <asm/arch/clk.h>
 #include <asm/arch/at91sam9g45_matrix.h>
diff --git a/board/ronetix/pm9261/pm9261.c b/board/ronetix/pm9261/pm9261.c
index f1e7aab629..bad673412a 100644
--- a/board/ronetix/pm9261/pm9261.c
+++ b/board/ronetix/pm9261/pm9261.c
@@ -8,6 +8,7 @@
  */
 
 #include <common.h>
+#include <vsprintf.h>
 #include <linux/sizes.h>
 #include <asm/io.h>
 #include <asm/gpio.h>
diff --git a/cmd/bdinfo.c b/cmd/bdinfo.c
index ae6006f85f..abd9151432 100644
--- a/cmd/bdinfo.c
+++ b/cmd/bdinfo.c
@@ -10,6 +10,7 @@
 #include <common.h>
 #include <command.h>
 #include <env.h>
+#include <vsprintf.h>
 #include <linux/compiler.h>
 
 DECLARE_GLOBAL_DATA_PTR;
diff --git a/drivers/clk/clk_stm32mp1.c b/drivers/clk/clk_stm32mp1.c
index e87307fa60..e223f84eac 100644
--- a/drivers/clk/clk_stm32mp1.c
+++ b/drivers/clk/clk_stm32mp1.c
@@ -10,6 +10,7 @@
 #include <regmap.h>
 #include <spl.h>
 #include <syscon.h>
+#include <vsprintf.h>
 #include <linux/io.h>
 #include <linux/iopoll.h>
 #include <dt-bindings/clock/stm32mp1-clks.h>
diff --git a/drivers/clk/mpc83xx_clk.c b/drivers/clk/mpc83xx_clk.c
index 32d2db9eda..cbccda5594 100644
--- a/drivers/clk/mpc83xx_clk.c
+++ b/drivers/clk/mpc83xx_clk.c
@@ -7,6 +7,7 @@
 #include <common.h>
 #include <clk-uclass.h>
 #include <dm.h>
+#include <vsprintf.h>
 #include <dm/lists.h>
 #include <dt-bindings/clk/mpc83xx-clk.h>
 #include <asm/arch/soc.h>
diff --git a/drivers/cpu/mpc83xx_cpu.c b/drivers/cpu/mpc83xx_cpu.c
index 7bc86bf9b2..1e58457742 100644
--- a/drivers/cpu/mpc83xx_cpu.c
+++ b/drivers/cpu/mpc83xx_cpu.c
@@ -9,6 +9,7 @@
 #include <clk.h>
 #include <cpu.h>
 #include <dm.h>
+#include <vsprintf.h>
 
 #include "mpc83xx_cpu.h"
 
diff --git a/include/common.h b/include/common.h
index d17a2b2642..f993e4bef3 100644
--- a/include/common.h
+++ b/include/common.h
@@ -310,9 +310,6 @@ int ulz4fn(const void *src, size_t srcn, void *dst, size_t *dstn);
 /* lib/vsprintf.c */
 #include <vsprintf.h>
 
-/* lib/strmhz.c */
-char *	strmhz(char *buf, unsigned long hz);
-
 /*
  * STDIO based functions (can always be used)
  */
diff --git a/include/vsprintf.h b/include/vsprintf.h
index d1740a378e..56844dd2de 100644
--- a/include/vsprintf.h
+++ b/include/vsprintf.h
@@ -212,4 +212,14 @@ void print_grouped_ull(unsigned long long int_val, int digits);
 
 bool str2off(const char *p, loff_t *num);
 bool str2long(const char *p, ulong *num);
+
+/**
+ * strmhz() - Convert a value to a Hz string
+ *
+ * This creates a string indicating the number of MHz of a value. For example,
+ * 2700000 produces "2.7".
+ * @buf: Buffer to hold output string, which must be large enough
+ * @hz: Value to convert
+ */
+char *strmhz(char *buf, unsigned long hz);
 #endif
diff --git a/lib/Makefile b/lib/Makefile
index d248d8626c..e15a189f65 100644
--- a/lib/Makefile
+++ b/lib/Makefile
@@ -109,12 +109,12 @@ ifeq ($(CONFIG_$(SPL_TPL_)BUILD),y)
 ifdef CONFIG_$(SPL_TPL_)USE_TINY_PRINTF
 obj-$(CONFIG_$(SPL_TPL_)SPRINTF) += tiny-printf.o
 else
-obj-$(CONFIG_$(SPL_TPL_)SPRINTF) += vsprintf.o strmhz.o
+obj-$(CONFIG_$(SPL_TPL_)SPRINTF) += vsprintf.o
 endif
 obj-$(CONFIG_$(SPL_TPL_)STRTO) += strto.o
 else
 # Main U-Boot always uses the full printf support
-obj-y += vsprintf.o strto.o strmhz.o
+obj-y += vsprintf.o strto.o
 endif
 
 subdir-ccflags-$(CONFIG_CC_OPTIMIZE_LIBS_FOR_SPEED) += -O2
diff --git a/lib/strmhz.c b/lib/strmhz.c
deleted file mode 100644
index 66afe91ab9..0000000000
--- a/lib/strmhz.c
+++ /dev/null
@@ -1,21 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0+
-/*
- * (C) Copyright 2002-2006
- * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
- */
-#include <common.h>
-
-char *strmhz (char *buf, unsigned long hz)
-{
-	long l, n;
-	long m;
-
-	n = DIV_ROUND_CLOSEST(hz, 1000) / 1000L;
-	l = sprintf (buf, "%ld", n);
-
-	hz -= n * 1000000L;
-	m = DIV_ROUND_CLOSEST(hz, 1000L);
-	if (m != 0)
-		sprintf (buf + l, ".%03ld", m);
-	return (buf);
-}
diff --git a/lib/vsprintf.c b/lib/vsprintf.c
index 425f2f53f7..c6467ecd5f 100644
--- a/lib/vsprintf.c
+++ b/lib/vsprintf.c
@@ -2,6 +2,8 @@
  *  linux/lib/vsprintf.c
  *
  *  Copyright (C) 1991, 1992  Linus Torvalds
+ * (C) Copyright 2000-2009
+ * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
  */
 
 /* vsprintf.c -- Lars Wirzenius & Linus Torvalds. */
@@ -17,6 +19,7 @@
 #include <div64.h>
 #include <hexdump.h>
 #include <stdarg.h>
+#include <vsprintf.h>
 #include <linux/ctype.h>
 #include <linux/err.h>
 #include <linux/types.h>
@@ -873,3 +876,19 @@ bool str2long(const char *p, ulong *num)
 	*num = simple_strtoul(p, &endptr, 16);
 	return *p != '\0' && *endptr == '\0';
 }
+
+char *strmhz(char *buf, unsigned long hz)
+{
+	long l, n;
+	long m;
+
+	n = DIV_ROUND_CLOSEST(hz, 1000) / 1000L;
+	l = sprintf(buf, "%ld", n);
+
+	hz -= n * 1000000L;
+	m = DIV_ROUND_CLOSEST(hz, 1000L);
+	if (m != 0)
+		sprintf(buf + l, ".%03ld", m);
+
+	return buf;
+}