Re: [Qemu-devel] [PATCH 03/11] net: lan9118: convert SysBus init method to a realize method

[Peter Maydell]

On 28 September 2018 at 14:49, Cédric Le Goater <address@hidden> wrote:
> Signed-off-by: Cédric Le Goater <address@hidden>
> ---
>  hw/net/lan9118.c | 24 ++++++++++--------------
>  1 file changed, 10 insertions(+), 14 deletions(-)
>
> diff --git a/hw/net/lan9118.c b/hw/net/lan9118.c
> index b9032dac595f..d99c6127b938 100644
> --- a/hw/net/lan9118.c
> +++ b/hw/net/lan9118.c
> @@ -1320,9 +1320,9 @@ static NetClientInfo net_lan9118_info = {
>      .link_status_changed = lan9118_set_link,
>  };
>
> -static int lan9118_init1(SysBusDevice *sbd)
> +static void lan9118_realize(DeviceState *dev, Error **errp)
>  {
> -    DeviceState *dev = DEVICE(sbd);
> +    SysBusDevice *sbd = SYS_BUS_DEVICE(dev);
>      lan9118_state *s = LAN9118(dev);
>      QEMUBH *bh;
>      int i;
> @@ -1349,8 +1349,6 @@ static int lan9118_init1(SysBusDevice *sbd)
>      s->timer = ptimer_init(bh, PTIMER_POLICY_DEFAULT);
>      ptimer_set_freq(s->timer, 10000);
>      ptimer_set_limit(s->timer, 0xffff, 1);
> -
> -    return 0;
>  }
>
>  static Property lan9118_properties[] = {
> @@ -1362,12 +1360,11 @@ static Property lan9118_properties[] = {
>  static void lan9118_class_init(ObjectClass *klass, void *data)
>  {
>      DeviceClass *dc = DEVICE_CLASS(klass);
> -    SysBusDeviceClass *k = SYS_BUS_DEVICE_CLASS(klass);
>
> -    k->init = lan9118_init1;
>      dc->reset = lan9118_reset;
>      dc->props = lan9118_properties;
>      dc->vmsd = &vmstate_lan9118;
> +    dc->realize = lan9118_realize;
>  }
>
>  static const TypeInfo lan9118_info = {
> @@ -1386,16 +1383,15 @@ static void lan9118_register_types(void)
>     implemented.  */
>  void lan9118_init(NICInfo *nd, uint32_t base, qemu_irq irq)
>  {
> -    DeviceState *dev;
> -    SysBusDevice *s;
> +    Object *obj;
>
>      qemu_check_nic_model(nd, "lan9118");
> -    dev = qdev_create(NULL, TYPE_LAN9118);
> -    qdev_set_nic_properties(dev, nd);
> -    qdev_init_nofail(dev);
> -    s = SYS_BUS_DEVICE(dev);
> -    sysbus_mmio_map(s, 0, base);
> -    sysbus_connect_irq(s, 0, irq);
> +
> +    obj = object_new(TYPE_LAN9118);
> +    qdev_set_nic_properties(DEVICE(obj), nd);
> +    qdev_init_nofail(DEVICE(obj));
> +    sysbus_mmio_map(SYS_BUS_DEVICE(obj), 0, base);
> +    sysbus_connect_irq(SYS_BUS_DEVICE(obj), 0, irq);
>  }

The init->realize conversion is fine, but I'm not sure why
you've rewritten the helper function too ?

thanks
-- PMM