Handling multiple GPIO controllers in 8xxx GPIO driver

[Tabi Timur-B04825]

On Tue, Sep 27, 2011 at 1:29 PM, Grant Likely <grant.likely at secretlab.ca> wrote:

> The solution is to make the gpio driver register as a regular
> interrupt handler, and not as a chained handler.

I was wondering about that.

What exactly is a chained handler?  How is it different from a regular handler?

-- 
Timur Tabi
Linux kernel developer at Freescale