tree 2f61aac8deb306a164f04a7d2753fbd723c906fc
parent 5136a6c0fd5b26bbf39ad761cf7a4fc563ad83a3
author Roderick Colenbrander <thunderbird2k@gmail.com> 1251993443 -0600
committer Linus Torvalds <torvalds@linux-foundation.org> 1252187887 -0700

powerpc: Fix i8259 interrupt driver kernel crash on ML510

This patch fixes a null pointer exception caused by removal of
'ack()' for level interrupts in the Xilinx interrupt driver.  A recent
change to the xilinx interrupt controller removed the ack hook for
level irqs.

Signed-off-by: Roderick Colenbrander <thunderbird2k@gmail.com>
Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
Acked-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>