Re: [PATCH v5 04/13] hw/core: add Resettable support to BusClass and DeviceClass

[Damien Hedde <damien.hedde@greensocs.com>]

On 11/29/19 7:36 PM, Peter Maydell wrote:
> On Fri, 18 Oct 2019 at 16:07, Damien Hedde <damien.hedde@greensocs.com> wrote:
>>
>> This commit adds support of Resettable interface to buses and devices:
>> + ResettableState structure is added in the Bus/Device state
>> + Resettable methods are implemented.
>> + device/bus_is_in_reset function defined
>>
>> This commit allows to transition the objects to the new
>> multi-phase interface without changing the reset behavior at all.
>> Object single reset method can be split into the 3 different phases
>> but the 3 phases are still executed in a row for a given object.
>> From the qdev/qbus reset api point of view, nothing is changed.
>> qdev_reset_all() and qbus_reset_all() are not modified as well as
>> device_legacy_reset().
>>
>> Transition of an object must be done from mother class to daughter
>> classes.
> 
> The standard terminology here is "parent class" and "child class".
> 
> I notice you've used mother/daughter in a bunch of other comments
> in various patches -- could you change that to the more usual
> terms, please?
Yes. Sorry for that.

> 
>> Care has been taken to allow the transition of a mother class
>> without requiring the daughter classes to be transitioned at the same
>> time. Note that SysBus and SysBusDevice class do not need any transition
>> because they do not override the legacy reset method.
>>
>> Signed-off-by: Damien Hedde <damien.hedde@greensocs.com>
> 
> Otherwise
> Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
> 
> thanks
> -- PMM
> 

--
Damien