greybus: operation: print id when synchronous operation timeout
authorDavid Lin <dtwlin@google.com>
Fri, 22 Jul 2016 20:46:25 +0000 (13:46 -0700)
committerGreg Kroah-Hartman <gregkh@google.com>
Fri, 22 Jul 2016 20:57:11 +0000 (13:57 -0700)
commite514dec730284da080286bdf7229d21c2be68b24
tree6c5c3d84e517386e328f3b140b3523fbbb8794dc
parent098dfaf45e76442d032207d2023930c685ab7c2e
greybus: operation: print id when synchronous operation timeout

In case of a synchronous operation timeout error, it's helpful for
purpose of debugging to print the operation id in the error message, so
that we know if the response is received at a later time after operation
time out.

Testing Done:
 - Observe the error message below when response comes later after
operation timeout:

[  792.973978] greybus greybus1: 0/0:0: synchronous operation id 0x0005
of type 0x21 failed: -110
[  800.646694] greybus greybus1: 0/0:0: unexpected response id 0x0005
received

Signed-off-by: David Lin <dtwlin@google.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>
drivers/staging/greybus/operation.c