tree e0825a1cb14400b5c938fe7d7e323dcb6a289c75
parent 47732cb4fdee72e6ea4d2ae40d72da4d2cedf97e
author David Jander <david@protonic.nl> 1307554477 -0600
committer Grant Likely <grant.likely@secretlab.ca> 1307554477 -0600

gpio/pca953x: Fix IRQ support.

It seems that in the normal case, IRQ_NOREQUEST needs to be explicitly
cleared, otherwise claiming the interrupt fails.
In the case of sparse interrupts, the descriptor needs to be allocated
first.

Signed-off-by: David Jander <david@protonic.nl>
Signed-off-by: Grant Likely <grant.likely@secretlab.ca>