tree fa2300a954d25cfaa592ca10228e044742ac1bae
parent 9a0b062742e7e039273c0c2ba4b96ad9ec7e7d8f
author Alexandre Bounine <alexandre.bounine@idt.com> 1458682007 -0700
committer Linus Torvalds <torvalds@linux-foundation.org> 1458686162 -0700

rapidio/tsi721: fix locking in OB_MSG processing

- Add spinlock protection into outbound message queuing routine.

- Change outbound message interrupt handler to avoid deadlock when
  calling registered callback routine.

- Allow infinite retries for outbound messages to avoid retry threshold
  error signaling in systems with nodes that have slow message receive
  queue processing.

Signed-off-by: Alexandre Bounine <alexandre.bounine@idt.com>
Cc: Matt Porter <mporter@kernel.crashing.org>
Cc: Aurelien Jacquiot <a-jacquiot@ti.com>
Cc: Andre van Herk <andre.van.herk@prodrive-technologies.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>