tree eb1a1b0a008a384da7febb03247b92fde8191418
parent 38dbfb59d1175ef458d006556061adeaa8751b72
author Linus Walleij <linus.walleij@linaro.org> 1390399255 +0100
committer Linus Walleij <linus.walleij@linaro.org> 1391415117 +0100

gpio: document how to make combined GPIO+irqchip drivers

Write a few words on how GPIO drivers supplying an irqchip should
be written.

Cc: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>