Re: [PATCH for-7.1 02/18] hw/intc/exynos4210_gic: Remove unused TYPE_EXYNOS4210_IRQ_GATE

[Francisco Iglesias <frasse.iglesias@gmail.com>]

On [2022 Apr 04] Mon 16:46:42, Peter Maydell wrote:
> Now we have removed the only use of TYPE_EXYNOS4210_IRQ_GATE we can
> delete the device entirely.
> 
> Signed-off-by: Peter Maydell <peter.maydell@linaro.org>

Reviewed-by: Francisco Iglesias <frasse.iglesias@gmail.com>

> ---
>  hw/intc/exynos4210_gic.c | 107 ---------------------------------------
>  1 file changed, 107 deletions(-)
> 
> diff --git a/hw/intc/exynos4210_gic.c b/hw/intc/exynos4210_gic.c
> index bc73d1f1152..794f6b5ac72 100644
> --- a/hw/intc/exynos4210_gic.c
> +++ b/hw/intc/exynos4210_gic.c
> @@ -373,110 +373,3 @@ static void exynos4210_gic_register_types(void)
>  }
>  
>  type_init(exynos4210_gic_register_types)
> -
> -/* IRQ OR Gate struct.
> - *
> - * This device models an OR gate. There are n_in input qdev gpio lines and one
> - * output sysbus IRQ line. The output IRQ level is formed as OR between all
> - * gpio inputs.
> - */
> -
> -#define TYPE_EXYNOS4210_IRQ_GATE "exynos4210.irq_gate"
> -OBJECT_DECLARE_SIMPLE_TYPE(Exynos4210IRQGateState, EXYNOS4210_IRQ_GATE)
> -
> -struct Exynos4210IRQGateState {
> -    SysBusDevice parent_obj;
> -
> -    uint32_t n_in;      /* inputs amount */
> -    uint32_t *level;    /* input levels */
> -    qemu_irq out;       /* output IRQ */
> -};
> -
> -static Property exynos4210_irq_gate_properties[] = {
> -    DEFINE_PROP_UINT32("n_in", Exynos4210IRQGateState, n_in, 1),
> -    DEFINE_PROP_END_OF_LIST(),
> -};
> -
> -static const VMStateDescription vmstate_exynos4210_irq_gate = {
> -    .name = "exynos4210.irq_gate",
> -    .version_id = 2,
> -    .minimum_version_id = 2,
> -    .fields = (VMStateField[]) {
> -        VMSTATE_VBUFFER_UINT32(level, Exynos4210IRQGateState, 1, NULL, n_in),
> -        VMSTATE_END_OF_LIST()
> -    }
> -};
> -
> -/* Process a change in IRQ input. */
> -static void exynos4210_irq_gate_handler(void *opaque, int irq, int level)
> -{
> -    Exynos4210IRQGateState *s = (Exynos4210IRQGateState *)opaque;
> -    uint32_t i;
> -
> -    assert(irq < s->n_in);
> -
> -    s->level[irq] = level;
> -
> -    for (i = 0; i < s->n_in; i++) {
> -        if (s->level[i] >= 1) {
> -            qemu_irq_raise(s->out);
> -            return;
> -        }
> -    }
> -
> -    qemu_irq_lower(s->out);
> -}
> -
> -static void exynos4210_irq_gate_reset(DeviceState *d)
> -{
> -    Exynos4210IRQGateState *s = EXYNOS4210_IRQ_GATE(d);
> -
> -    memset(s->level, 0, s->n_in * sizeof(*s->level));
> -}
> -
> -/*
> - * IRQ Gate initialization.
> - */
> -static void exynos4210_irq_gate_init(Object *obj)
> -{
> -    Exynos4210IRQGateState *s = EXYNOS4210_IRQ_GATE(obj);
> -    SysBusDevice *sbd = SYS_BUS_DEVICE(obj);
> -
> -    sysbus_init_irq(sbd, &s->out);
> -}
> -
> -static void exynos4210_irq_gate_realize(DeviceState *dev, Error **errp)
> -{
> -    Exynos4210IRQGateState *s = EXYNOS4210_IRQ_GATE(dev);
> -
> -    /* Allocate general purpose input signals and connect a handler to each of
> -     * them */
> -    qdev_init_gpio_in(dev, exynos4210_irq_gate_handler, s->n_in);
> -
> -    s->level = g_malloc0(s->n_in * sizeof(*s->level));
> -}
> -
> -static void exynos4210_irq_gate_class_init(ObjectClass *klass, void *data)
> -{
> -    DeviceClass *dc = DEVICE_CLASS(klass);
> -
> -    dc->reset = exynos4210_irq_gate_reset;
> -    dc->vmsd = &vmstate_exynos4210_irq_gate;
> -    device_class_set_props(dc, exynos4210_irq_gate_properties);
> -    dc->realize = exynos4210_irq_gate_realize;
> -}
> -
> -static const TypeInfo exynos4210_irq_gate_info = {
> -    .name          = TYPE_EXYNOS4210_IRQ_GATE,
> -    .parent        = TYPE_SYS_BUS_DEVICE,
> -    .instance_size = sizeof(Exynos4210IRQGateState),
> -    .instance_init = exynos4210_irq_gate_init,
> -    .class_init    = exynos4210_irq_gate_class_init,
> -};
> -
> -static void exynos4210_irq_gate_register_types(void)
> -{
> -    type_register_static(&exynos4210_irq_gate_info);
> -}
> -
> -type_init(exynos4210_irq_gate_register_types)
> -- 
> 2.25.1
> 
>