Shashank Singh 1547008dac gpu: nvgpu: use posix lock implementation for qnx ...

- Unify posix lock unit with qnx. Also, fix nvgpu_mutex_trylock return
  value. The Linux version expects 1 for success and 0 for failure
  whereas posix implementation return 0 for success and negative value
  for failure.

Jira NVGPU-1693

Change-Id: I783fb6a82149c096bad17a03e81788bc6b6e1e8c
Signed-off-by: Shashank Singh <shashsingh@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/2003733
Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com>
Tested-by: mobile promotions <svcmobile_promotions@nvidia.com>

2019-03-05 11:14:28 -08:00

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