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

Hanjun Guo hanjun.guo at linaro.org
Wed Jan 4 00:25:47 PST 2017

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?


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