Re: [PATCH 02/15] dma-fence: Make ->enable_signaling optional

Quoting Daniel Vetter (2018-05-03 15:25:50) > @@ -560,7 +567,7 @@ dma_fence_init(struct dma_fence *fence, const struct > dma_fence_ops *ops, >spinlock_t *lock, u64 context, unsigned seqno) > { > BUG_ON(!lock); > - BUG_ON(!ops || !ops->wait || !ops->enable_signaling

[PATCH 02/15] dma-fence: Make ->enable_signaling optional

Many drivers have a trivial implementation for ->enable_signaling. Let's make it optional by assuming that signalling is already available when the callback isn't present. Reviewed-by: Christian König Signed-off-by: Daniel Vetter Cc: Sumit