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

[Hanjun Guo]

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?

Thanks
Hanjun