Re: [PATCH v6 06/14] irqchip: gicv3-its: platform-msi: refactor its_pmsi_init() to prepare for ACPI

Hanjun Guo
2017-01-04T10:20:10Z

On 2017/1/4 17:02, Marc Zyngier wrote:
> On 04/01/17 08:25, Hanjun Guo wrote:
>> On 2017/1/4 15:29, Tomasz Nowicki wrote:
>>> On 04.01.2017 08:02, Hanjun Guo wrote:
>>>> Hi Tomasz,
>>>>
>>>> On 2017/1/3 15:41, Tomasz Nowicki wrote:
>>>>> Hi,
>>>>>
>>>>> Can we merge patch 4 & 6 into one patch so that we keep refactoring part
>>>>> as one piece ? I do not see a reason to keep them separate or have patch
>>>>> 5 in between. You can refactor what needs to be refactored, add
>>>>> necessary functions to iort.c and then support ACPI for
>>>>> irq-gic-v3-its-platform-msi.c
>>>>
>>>> There are two functions here,
>>>> - retrieve the dev id from IORT which was DT based only;
>>>>
>>>> - init the platform msi domain from MADT;
>>>>
>>>> For each of them split it into two steps,
>>>> - refactor the code for ACPI later and it's easy for review
>>>> because wen can easily to figure out it has functional
>>>> change or not
>>>>
>>>> - add ACPI functionality
>>>>
>>>> Does it make sense?
>>>
>>> It is up to Marc, but personally I prefer:
>>> 1. Refactor dev id retrieving and init function in one patch and
>>> highlight no functional changes in changelog
>>> 2. Crate necessary infrastructure in iort.c
>>> 3. Then add ACPI support to irq-gic-v3-its-platform-msi.c
>>
>> I have no strong preferences, and it's easy to do so as just
>> need to squash/reorder the patches.
>>
>> Marc, Lorenzo, could you give some suggestions here?
>
> I think it'd make the reviewing easier to have patches that are
> semantically grouped together (all the ACPI IORT together, for example).
>
> It would help understanding where you're aiming at instead of jumping
> from irqchip to ACPI and back every other patch...

OK, I will reorder the patches and address the comments, then post
a new version.

Thanks
Hanjun