tree ecbfd39ef20da51fc7d5bd8a8b590f45823818f1
parent 3b9038912828384e38d82409c281124631c8533b
author Thomas Gleixner <tglx@linutronix.de> 1300810095 +0100
committer Thomas Gleixner <tglx@linutronix.de> 1300908126 +0100

genirq: Provide a lockdep helper

Some irq chips need to call genirq functions for nested chips from
their callbacks. That upsets lockdep. So they need to set a different
lock class for those nested chips. Provide a helper function to avoid
open access to irq_desc.

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>