Replace deprecated qbus_reset_all by resettable_cold_reset_fn for
the sysbus reset registration.

This does not impact the behavior: qbus_reset_all is already a wrapper
for the cold reset function.

Signed-off-by: Damien Hedde <damien.hedde@greensocs.com>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
---
 vl.c | 10 +++++++++-
 1 file changed, 9 insertions(+), 1 deletion(-)

diff --git a/vl.c b/vl.c
index edd5390110..8df686b333 100644
--- a/vl.c
+++ b/vl.c
@@ -4422,7 +4422,15 @@ int main(int argc, char **argv, char **envp)
 
     /* TODO: once all bus devices are qdevified, this should be done
      * when bus is created by qdev.c */
-    qemu_register_reset(qbus_reset_all_fn, sysbus_get_default());
+    /*
+     * TODO: If we had a main 'reset container' that the whole system
+     * lived in, we could reset that using the multi-phase reset
+     * APIs. For the moment, we just reset the sysbus, which will cause
+     * all devices hanging off it (and all their child buses, recursively)
+     * to be reset. Note that this will *not* reset any Device objects
+     * which are not attached to some part of the qbus tree!
+     */
+    qemu_register_reset(resettable_cold_reset_fn, sysbus_get_default());
     qemu_run_machine_init_done_notifiers();
 
     if (rom_check_and_register_reset() != 0) {
-- 
2.22.0