Replace the 'IS_ERR_VALUE(irq)' with 'ret < 0' in
function 'atmel_isc_probe'.
Reported-by: NHans Verkuil <hverkuil@xs4all.nl>
Signed-off-by: NSongjun Wu <songjun.wu@microchip.com>
Signed-off-by: NHans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: NMauro Carvalho Chehab <mchehab@s-opensource.com>