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Re: [Qemu-devel] [PATCH v2 05/16] hw/arm/bcm2835: Use object_initialize(


From: Paolo Bonzini
Subject: Re: [Qemu-devel] [PATCH v2 05/16] hw/arm/bcm2835: Use object_initialize() on PL011State
Date: Wed, 8 May 2019 13:09:45 +0200
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:60.0) Gecko/20100101 Thunderbird/60.6.1

On 07/05/19 11:34, Philippe Mathieu-Daudé wrote:
> To be coherent with the other peripherals contained in the
> BCM2835PeripheralState structure, directly allocate the PL011State
> (instead of using the pl011 uart as a pointer to a SysBusDevice).
> 
> Initialize the PL011State with object_initialize() instead of
> object_new().
> 
> Signed-off-by: Philippe Mathieu-Daudé <address@hidden>
> ---
>  hw/arm/bcm2835_peripherals.c         | 14 +++++++-------
>  include/hw/arm/bcm2835_peripherals.h |  2 +-
>  2 files changed, 8 insertions(+), 8 deletions(-)
> 
> diff --git a/hw/arm/bcm2835_peripherals.c b/hw/arm/bcm2835_peripherals.c
> index 7ffb51b6927..2931a82a25a 100644
> --- a/hw/arm/bcm2835_peripherals.c
> +++ b/hw/arm/bcm2835_peripherals.c
> @@ -46,9 +46,9 @@ static void bcm2835_peripherals_init(Object *obj)
>      qdev_set_parent_bus(DEVICE(&s->ic), sysbus_get_default());
>  
>      /* UART0 */
> -    s->uart0 = SYS_BUS_DEVICE(object_new(TYPE_PL011));
> -    object_property_add_child(obj, "uart0", OBJECT(s->uart0), NULL);
> -    qdev_set_parent_bus(DEVICE(s->uart0), sysbus_get_default());
> +    object_initialize(&s->uart0, sizeof(s->uart0), TYPE_PL011);
> +    object_property_add_child(obj, "uart0", OBJECT(&s->uart0), NULL);
> +    qdev_set_parent_bus(DEVICE(&s->uart0), sysbus_get_default());
>  
>      /* AUX / UART1 */
>      object_initialize(&s->aux, sizeof(s->aux), TYPE_BCM2835_AUX);
> @@ -166,16 +166,16 @@ static void bcm2835_peripherals_realize(DeviceState 
> *dev, Error **errp)
>      sysbus_pass_irq(SYS_BUS_DEVICE(s), SYS_BUS_DEVICE(&s->ic));
>  
>      /* UART0 */
> -    qdev_prop_set_chr(DEVICE(s->uart0), "chardev", serial_hd(0));
> -    object_property_set_bool(OBJECT(s->uart0), true, "realized", &err);
> +    qdev_prop_set_chr(DEVICE(&s->uart0), "chardev", serial_hd(0));
> +    object_property_set_bool(OBJECT(&s->uart0), true, "realized", &err);
>      if (err) {
>          error_propagate(errp, err);
>          return;
>      }
>  
>      memory_region_add_subregion(&s->peri_mr, UART0_OFFSET,
> -                                sysbus_mmio_get_region(s->uart0, 0));
> -    sysbus_connect_irq(s->uart0, 0,
> +                sysbus_mmio_get_region(SYS_BUS_DEVICE(&s->uart0), 0));
> +    sysbus_connect_irq(SYS_BUS_DEVICE(&s->uart0), 0,
>          qdev_get_gpio_in_named(DEVICE(&s->ic), BCM2835_IC_GPU_IRQ,
>                                 INTERRUPT_UART));
>      /* AUX / UART1 */
> diff --git a/include/hw/arm/bcm2835_peripherals.h 
> b/include/hw/arm/bcm2835_peripherals.h
> index 959508d57dd..e79c21771fe 100644
> --- a/include/hw/arm/bcm2835_peripherals.h
> +++ b/include/hw/arm/bcm2835_peripherals.h
> @@ -38,7 +38,7 @@ typedef struct BCM2835PeripheralState {
>      MemoryRegion ram_alias[4];
>      qemu_irq irq, fiq;
>  
> -    SysBusDevice *uart0;
> +    PL011State uart0;
>      BCM2835AuxState aux;
>      BCM2835FBState fb;
>      BCM2835DMAState dma;
> 

Reviewed-by: Paolo Bonzini <address@hidden>



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