[PATCH v2 RESEND 2/8] irqchip: Supply new driver for STi based devices

Lee Jones
2015-01-23T16:32:31Z

On Fri, 23 Jan 2015, Thomas Gleixner wrote:
> On Thu, 22 Jan 2015, Lee Jones wrote:
>
> > This driver is used to enable System Configuration Register controlled
> > External, CTI (Core Sight), PMU (Performance Management), and PL310 L2
> > Cache IRQs prior to use.
>
> I'm wondering how this is related to irq_chip,

It doesn't really. At least, it doesn't make use of the framework.
It was the most relevant subsystem.

> but well, I don't mind it being parked here.

Thanks Thomas. I was hoping for that response.

> Though I really cannot say anything about this DT translation
> machinery for a single sysconfig register, other than it looks
> completely overengineered to me.

I understnad where you're coming from, but don't all drivers just
'twiddle some register bits'?

> The only technical comment I have is: shouldn't all the stuff except
> the resume function be marked __init or is any of this required post
> init?

It's not common to mark functions invoked at and affter *_probe() as
__init. At least, not as far as I'm aware.

--
Lee Jones
Linaro STMicroelectronics Landing Team Lead
Linaro.org ? Open source software for ARM SoCs
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