nios2: fix error handling of irq_of_parse_and_map
authorDmitry Torokhov <dtor@chromium.org>
Mon, 17 Nov 2014 10:36:23 +0000 (18:36 +0800)
committerLey Foon Tan <lftan@altera.com>
Mon, 8 Dec 2014 04:56:08 +0000 (12:56 +0800)
commitb29438f22c807d8a4bda6f0fb3e24318117906c0
tree4e4b9045ec755225b5e4fb850739de3372056f8d
parentac8ab8dd95f6fae76f0742499206d29eea4604cd
nios2: fix error handling of irq_of_parse_and_map

Return value of irq_of_parse_and_map() is unsigned int, with 0
indicating failure, so testing for negative result never works.

Signed-off-by: Dmitry Torokhov <dtor@chromium.org>
Reviewed-by: Tobias Klauser <tklauser@distanz.ch>
Acked-by: Ley Foon Tan <lftan@altera.com>
arch/nios2/kernel/time.c