Regarding hw irq to Linux irq mapping on ARM

[Mark Brown]

On Fri, Sep 24, 2010 at 12:45:32AM +0100, Ben Dooks wrote:
> On 22/09/10 09:59, Eric Miao wrote:

> >> And i2c in many cases want to be called from sleep'able context... might
> >> be a good idea to restrict some of these to threaded interrupts. A whole
> >> different discussion I suppose.

> The i2c case, it is generally the code decoding the interrupt that needs
> to do this, and is part of the i2c specific driver, and is written as
> some form of thread or work-queue.

The standard thing these days is a threaded IRQ handler.