Re: [PATCH 3/5] adb: Switch bus reset to 3-phase-reset

[Zhao Liu]

On Fri, Jan 19, 2024 at 04:35:10PM +0000, Peter Maydell wrote:
> Date: Fri, 19 Jan 2024 16:35:10 +0000
> From: Peter Maydell <peter.maydell@linaro.org>
> Subject: [PATCH 3/5] adb: Switch bus reset to 3-phase-reset
> X-Mailer: git-send-email 2.34.1
> 
> Switch the ADB bus from using BusClass::reset to the Resettable
> interface.
> 
> This has no behavioural change, because the BusClass code to support
> subclasses that use the legacy BusClass::reset will call that method
> in the hold phase of 3-phase reset.
> 
> Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
> ---
>  hw/input/adb.c | 7 ++++---
>  1 file changed, 4 insertions(+), 3 deletions(-)

Reviewed-by: Zhao Liu <zhao1.liu@intel.com>

> 
> diff --git a/hw/input/adb.c b/hw/input/adb.c
> index 0f3c73d6d00..98f39b4281a 100644
> --- a/hw/input/adb.c
> +++ b/hw/input/adb.c
> @@ -231,9 +231,9 @@ static const VMStateDescription vmstate_adb_bus = {
>      }
>  };
>  
> -static void adb_bus_reset(BusState *qbus)
> +static void adb_bus_reset_hold(Object *obj)
>  {
> -    ADBBusState *adb_bus = ADB_BUS(qbus);
> +    ADBBusState *adb_bus = ADB_BUS(obj);
>  
>      adb_bus->autopoll_enabled = false;
>      adb_bus->autopoll_mask = 0xffff;
> @@ -262,10 +262,11 @@ static void adb_bus_unrealize(BusState *qbus)
>  static void adb_bus_class_init(ObjectClass *klass, void *data)
>  {
>      BusClass *k = BUS_CLASS(klass);
> +    ResettableClass *rc = RESETTABLE_CLASS(klass);
>  
>      k->realize = adb_bus_realize;
>      k->unrealize = adb_bus_unrealize;
> -    k->reset = adb_bus_reset;
> +    rc->phases.hold = adb_bus_reset_hold;
>  }
>  
>  static const TypeInfo adb_bus_type_info = {
> -- 
> 2.34.1
> 
>