reservation: revert "wait only with non-zero timeout specified (v3)" v2
authorChristian König <christian.koenig@amd.com>
Mon, 7 Nov 2016 21:16:16 +0000 (16:16 -0500)
committerSumit Semwal <sumit.semwal@linaro.org>
Tue, 8 Nov 2016 19:18:57 +0000 (00:48 +0530)
commit06a66b5c77ede71f0601f4710284ca1076e673fa
tree8685a3aa1169f00f2d9015b679e12dcc9b574090
parent98a6dd909bbd247ce10f36ce709906bc5e9dfeb0
reservation: revert "wait only with non-zero timeout specified (v3)" v2

Reverts commit fb8b7d2b9d80
("reservation: wait only with non-zero timeout specified (v3)")

Otherwise signaling might never be activated on the fences. This can
result in infinite waiting with hardware which has unreliable interrupts.

v2: still return one when the timeout is zero and we don't have any fences.

Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Chunming Zhou <david1.zhou@amd.com> (v1)
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Reviewed-by: Gustavo Padovan <gustavo.padovan@collabora.co.uk>
Signed-off-by: Sumit Semwal <sumit.semwal@linaro.org>
  [sumits: fix checkpatch warnings]
Link: http://patchwork.freedesktop.org/patch/msgid/1478553376-18575-4-git-send-email-alexander.deucher@amd.com
drivers/dma-buf/reservation.c