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Re: [Qemu-devel] [PATCH V2] nios2: iic: Convert CPU prop to qom link


From: Marek Vasut
Subject: Re: [Qemu-devel] [PATCH V2] nios2: iic: Convert CPU prop to qom link
Date: Sat, 11 Mar 2017 21:23:56 +0100
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:45.0) Gecko/20100101 Icedove/45.4.0

On 02/27/2017 08:38 PM, Marek Vasut wrote:
> Add a const qom link between the CPU and the IIC instead
> of passing the CPU link through a qom property.
> 
> Signed-off-by: Marek Vasut <address@hidden>
> Cc: Alexander Graf <address@hidden>
> Cc: Chris Wulff <address@hidden>
> Cc: Igor Mammedov <address@hidden>
> Cc: Jeff Da Silva <address@hidden>
> Cc: Ley Foon Tan <address@hidden>
> Cc: Markus Armbruster <address@hidden>
> Cc: Richard Henderson <address@hidden>
> Cc: Sandra Loosemore <address@hidden>
> Cc: Yves Vandervennet <address@hidden>

Why is this patch not applied yet ?

> ---
> V2: Retain dc->cannot_instantiate_with_device_add_yet = true
>     in altera_iic_class_init() since the device is still not
>     device_add() creatable.
> ---
>  hw/intc/nios2_iic.c       | 12 ++++--------
>  hw/nios2/10m50_devboard.c |  3 ++-
>  2 files changed, 6 insertions(+), 9 deletions(-)
> 
> diff --git a/hw/intc/nios2_iic.c b/hw/intc/nios2_iic.c
> index 818ab1b315..fe15621202 100644
> --- a/hw/intc/nios2_iic.c
> +++ b/hw/intc/nios2_iic.c
> @@ -62,17 +62,15 @@ static void altera_iic_init(Object *obj)
>      sysbus_init_irq(SYS_BUS_DEVICE(obj), &pv->parent_irq);
>  }
>  
> -static Property altera_iic_properties[] = {
> -    DEFINE_PROP_PTR("cpu", AlteraIIC, cpu),
> -    DEFINE_PROP_END_OF_LIST(),
> -};
> -
>  static void altera_iic_realize(DeviceState *dev, Error **errp)
>  {
>      struct AlteraIIC *pv = ALTERA_IIC(dev);
> +    Error *err = NULL;
>  
> +    pv->cpu = object_property_get_link(OBJECT(dev), "cpu", &err);
>      if (!pv->cpu) {
> -        error_setg(errp, "altera,iic: CPU not connected");
> +        error_setg(errp, "altera,iic: CPU link not found: %s",
> +                   error_get_pretty(err));
>          return;
>      }
>  }
> @@ -81,8 +79,6 @@ static void altera_iic_class_init(ObjectClass *klass, void 
> *data)
>  {
>      DeviceClass *dc = DEVICE_CLASS(klass);
>  
> -    dc->props = altera_iic_properties;
> -    /* Reason: pointer property "cpu" */
>      dc->cannot_instantiate_with_device_add_yet = true;
>      dc->realize = altera_iic_realize;
>  }
> diff --git a/hw/nios2/10m50_devboard.c b/hw/nios2/10m50_devboard.c
> index 0d8b9aa58f..c18e0b2a17 100644
> --- a/hw/nios2/10m50_devboard.c
> +++ b/hw/nios2/10m50_devboard.c
> @@ -83,7 +83,8 @@ static void nios2_10m50_ghrd_init(MachineState *machine)
>  
>      /* Register: Internal Interrupt Controller (IIC) */
>      dev = qdev_create(NULL, "altera,iic");
> -    qdev_prop_set_ptr(dev, "cpu", cpu);
> +    object_property_add_const_link(OBJECT(dev), "cpu", OBJECT(cpu),
> +                                   &error_abort);
>      qdev_init_nofail(dev);
>      sysbus_connect_irq(SYS_BUS_DEVICE(dev), 0, cpu_irq[0]);
>      for (i = 0; i < 32; i++) {
> 


-- 
Best regards,
Marek Vasut



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