Re: [PATCH] gpio:mcp23s08 Fixed missing interrupts

[Robert Middleton <robert.middleton@xxxxxxxxxx>]

I have re-worked the interrupt handling, and I am reasonably sure at this
point that it's working correctly.  It properly detects the
rising/falling edges
at this point, and doesn't trigger all the time.

The logic has become rather complicated at this point though, so it
may have to be broken up into a separate function.  I also found a few
quirks with the chip on detecting the pin change in INTCAP, so I wasn't
able to implement exactly as Phil had suggested.

Phil, would you like to take a look at what I've done before I send a patch
out, or would you prefer that I simply send out the patch as-is and discuss
in a new thread?

-Robert Middleton
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