Re: [PATCH v2 2/2] mfd: intel_quark_i2c_gpio: enable MSI interrupt

From: Andy Shevchenko
Date: Wed Mar 24 2021 - 07:21:17 EST


On Wed, Mar 24, 2021 at 10:47:29AM +0000, Lee Jones wrote:
> On Wed, 24 Mar 2021, Andy Shevchenko wrote:
> > On Wed, Mar 24, 2021 at 10:29:31AM +0000, Lee Jones wrote:
> > > On Tue, 23 Mar 2021, Andy Shevchenko wrote:

...

> Also, past acceptance does not guarantee ideal/correct usage.

In this case it's hardly can be misused. But I heard you.

...

> > The semantic is min-max range and having two defines (*) here for these seems
> > to me as an utter overkill.
> >
> > Of course, if you insist I may do it.
> >
> > *) since value is the same, we might have one definition, but it will be even
> > more confusion to have it as a min and max at the same time.
>
> It's just tricky to decypher for people who do not know the API, which
> is most people, myself included. For APIs like usleep_range() et al.,
> obviously this makes no sense at all.

Seem like you are insisting. Okay, I will define them. What do you prefer one
or two definitions?

...

> What defines a vector?

The combination is solely of the driver-hardware. Driver explicitly tells that
how many vectors it may consume (taking into account the range asked) and API
returns amount given or an error.

--
With Best Regards,
Andy Shevchenko