diff mbox

[03/14] drm/omap: use atomic_dec_not_zero()

Message ID 20170130184000.12980-1-fabf@skynet.be (mailing list archive)
State New, archived
Headers show

Commit Message

Fabian Frederick Jan. 30, 2017, 6:40 p.m. UTC 
instead of atomic_add_unless(value, -1, 0)

Signed-off-by: Fabian Frederick <fabf@skynet.be>
---
 drivers/gpu/drm/omapdrm/omap_dmm_tiler.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
diff mbox

Patch

diff --git a/drivers/gpu/drm/omapdrm/omap_dmm_tiler.c b/drivers/gpu/drm/omapdrm/omap_dmm_tiler.c
index 3cab066..abd0b15 100644
--- a/drivers/gpu/drm/omapdrm/omap_dmm_tiler.c
+++ b/drivers/gpu/drm/omapdrm/omap_dmm_tiler.c
@@ -184,7 +184,7 @@  static struct dmm_txn *dmm_txn_init(struct dmm *dmm, struct tcm *tcm)
 
 	/* wait until an engine is available */
 	ret = wait_event_interruptible(omap_dmm->engine_queue,
-		atomic_add_unless(&omap_dmm->engine_counter, -1, 0));
+		atomic_dec_not_zero(&omap_dmm->engine_counter));
 	if (ret)
 		return ERR_PTR(ret);