[PATCH v2] microvm: use MachineState->dumpdtb

[Gerd Hoffmann <kraxel@redhat.com>]

There already is a machine property to dump the device tree for
debugging purposes, and the helper function qemu_fdt_dumpdtb()
implementing the dumping.  Make microvm use it for consistency.

Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
---
 hw/i386/microvm-dt.c | 9 +--------
 1 file changed, 1 insertion(+), 8 deletions(-)

diff --git a/hw/i386/microvm-dt.c b/hw/i386/microvm-dt.c
index 875ba9196394..e6f5a90209c5 100644
--- a/hw/i386/microvm-dt.c
+++ b/hw/i386/microvm-dt.c
@@ -330,12 +330,5 @@ void dt_setup_microvm(MicrovmMachineState *mms)
     fprintf(stderr, "%s: add etc/fdt to fw_cfg\n", __func__);
     fw_cfg_add_file(x86ms->fw_cfg, "etc/fdt", mms->fdt, size);
 
-    if (debug) {
-        fprintf(stderr, "%s: writing microvm.fdt\n", __func__);
-        g_file_set_contents("microvm.fdt", mms->fdt, size, NULL);
-        int ret = system("dtc -I dtb -O dts microvm.fdt");
-        if (ret != 0) {
-            fprintf(stderr, "%s: oops, dtc not installed?\n", __func__);
-        }
-    }
+    qemu_fdt_dumpdtb(mms->fdt, size);
 }
-- 
2.33.1