From: Dave Jiang dave.jiang@intel.com
[ Upstream commit 4e5a4eb20393b851590b4465f1197a8041c2076b ]
Even though idxd driver has always supported interrupt, it never actually set the DMA_INTERRUPT cap bit. Rectify this mistake so the interrupt capability is advertised.
Reported-by: Ben Walker benjamin.walker@intel.com Signed-off-by: Dave Jiang dave.jiang@intel.com Link: https://lore.kernel.org/r/164971497859.2201379.17925303210723708961.stgit@dj... Signed-off-by: Vinod Koul vkoul@kernel.org Signed-off-by: Sasha Levin sashal@kernel.org --- drivers/dma/idxd/dma.c | 1 + 1 file changed, 1 insertion(+)
diff --git a/drivers/dma/idxd/dma.c b/drivers/dma/idxd/dma.c index c39e9483206a..acb5681e25ed 100644 --- a/drivers/dma/idxd/dma.c +++ b/drivers/dma/idxd/dma.c @@ -181,6 +181,7 @@ int idxd_register_dma_device(struct idxd_device *idxd) INIT_LIST_HEAD(&dma->channels); dma->dev = dev;
+ dma_cap_set(DMA_INTERRUPT, dma->cap_mask); dma_cap_set(DMA_PRIVATE, dma->cap_mask); dma_cap_set(DMA_COMPLETION_NO_ORDER, dma->cap_mask); dma->device_release = idxd_dma_release;