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

2024-01-30 Thread Zhao Liu
On Fri, Jan 19, 2024 at 04:35:10PM +, Peter Maydell wrote:
> Date: Fri, 19 Jan 2024 16:35:10 +
> From: Peter Maydell 
> 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 
> ---
>  hw/input/adb.c | 7 ---
>  1 file changed, 4 insertions(+), 3 deletions(-)

Reviewed-by: Zhao Liu 

> 
> 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 = 0x;
> @@ -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
> 
> 



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

2024-01-29 Thread Mark Cave-Ayland

On 19/01/2024 16:35, Peter Maydell wrote:


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 
---
  hw/input/adb.c | 7 ---
  1 file changed, 4 insertions(+), 3 deletions(-)

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 = 0x;
@@ -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 = {


Reviewed-by: Mark Cave-Ayland 


ATB,

Mark.