avr32/irq: Use irq_desc_get_xxx() to avoid redundant lookup of irq_desc
avr32/irq: Use irq_desc_get_xxx() to avoid redundant lookup of irq_desc

Use irq_desc_get_xxx() to avoid redundant lookup of irq_desc while we
already have a pointer to corresponding irq_desc.

Signed-off-by: Jiang Liu <68ee766e574f18b34b683085865827393efe88bd@linux.intel.com>
Acked-by: Hans-Christian Egtvedt <11ce19a6fc3bb47abce595a29a6ea4cfed5efa4c@samfundet.no>
Cc: Haavard Skinnemoen <de7418319212d7eab32260a76732c1f83e514852@gmail.com>
Link: 64f8c1fdf75ef6eb951f467896a3d811cee51256@linutronix.de
Signed-off-by: Thomas Gleixner <00e4cf8f46a57000a44449bf9dd8cbbcc209fd2a@linutronix.de>

KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs