Use the newly added machine_create_constant_clock() helper
to create the CPU reference clocks.

Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
---
 hw/mips/fuloong2e.c      | 4 ++--
 hw/mips/jazz.c           | 6 +++---
 hw/mips/loongson3_virt.c | 4 ++--
 hw/mips/mipssim.c        | 7 ++++---
 4 files changed, 11 insertions(+), 10 deletions(-)

diff --git a/hw/mips/fuloong2e.c b/hw/mips/fuloong2e.c
index 4f61f2c873b..72dc5702727 100644
--- a/hw/mips/fuloong2e.c
+++ b/hw/mips/fuloong2e.c
@@ -259,8 +259,8 @@ static void mips_fuloong2e_init(MachineState *machine)
     CPUMIPSState *env;
     DeviceState *dev;
 
-    cpuclk = clock_new(OBJECT(machine), "cpu-refclk");
-    clock_set_hz(cpuclk, 533080000); /* ~533 MHz */
+    cpuclk = machine_create_constant_clock(machine, "cpu-refclk",
+                                           533080000); /* ~533 MHz */
 
     /* init CPUs */
     cpu = mips_cpu_create_with_clock(machine->cpu_type, cpuclk);
diff --git a/hw/mips/jazz.c b/hw/mips/jazz.c
index 1a0888a0fd5..3c220b4df6b 100644
--- a/hw/mips/jazz.c
+++ b/hw/mips/jazz.c
@@ -185,9 +185,9 @@ static void mips_jazz_init(MachineState *machine,
         exit(EXIT_FAILURE);
     }
 
-    cpuclk = clock_new(OBJECT(machine), "cpu-refclk");
-    clock_set_hz(cpuclk, ext_clk[jazz_model].freq_hz
-                         * ext_clk[jazz_model].pll_mult);
+    cpuclk = machine_create_constant_clock(machine, "cpu-refclk",
+                                           ext_clk[jazz_model].freq_hz
+                                           * ext_clk[jazz_model].pll_mult);
 
     /* init CPUs */
     cpu = mips_cpu_create_with_clock(machine->cpu_type, cpuclk);
diff --git a/hw/mips/loongson3_virt.c b/hw/mips/loongson3_virt.c
index b15071defc6..b9f18ecd911 100644
--- a/hw/mips/loongson3_virt.c
+++ b/hw/mips/loongson3_virt.c
@@ -530,8 +530,8 @@ static void mips_loongson3_virt_init(MachineState *machine)
     sysbus_create_simple("goldfish_rtc", virt_memmap[VIRT_RTC].base,
                          qdev_get_gpio_in(liointc, RTC_IRQ));
 
-    cpuclk = clock_new(OBJECT(machine), "cpu-refclk");
-    clock_set_hz(cpuclk, DEF_LOONGSON3_FREQ);
+    cpuclk = machine_create_constant_clock(machine, "cpu-refclk",
+                                           DEF_LOONGSON3_FREQ);
 
     for (i = 0; i < machine->smp.cpus; i++) {
         int ip;
diff --git a/hw/mips/mipssim.c b/hw/mips/mipssim.c
index f5d0da05aa1..af11cf9ac25 100644
--- a/hw/mips/mipssim.c
+++ b/hw/mips/mipssim.c
@@ -153,11 +153,12 @@ mips_mipssim_init(MachineState *machine)
     ResetData *reset_info;
     int bios_size;
 
-    cpuclk = clock_new(OBJECT(machine), "cpu-refclk");
 #ifdef TARGET_MIPS64
-    clock_set_hz(cpuclk, 6000000); /* 6 MHz */
+    cpuclk = machine_create_constant_clock(machine, "cpu-refclk",
+                                           6000000); /* 6 MHz */
 #else
-    clock_set_hz(cpuclk, 12000000); /* 12 MHz */
+    cpuclk = machine_create_constant_clock(machine, "cpu-refclk",
+                                           12000000); /* 12 MHz */
 #endif
 
     /* Init CPUs. */
-- 
2.26.3