[PATCH 10/29] ioat: fix self test interrupts
From: Dan Williams <hidden>
Date: 2009-09-04 02:37:40
Also in:
linux-raid, lkml
Subsystem:
dma generic offload engine subsystem, intel i/oat dma driver, the rest · Maintainers:
Vinod Koul, Dave Jiang, Linus Torvalds
If a callback is to be attached to a descriptor the channel needs to know at ->prep time so it can set the interrupt enable bit. This is in preparation for moving descriptor ioat2 descriptor preparation from ->submit to ->prep. Signed-off-by: Maciej Sosnowski <redacted> Signed-off-by: Dan Williams <redacted> --- drivers/dma/ioat/dma.c | 3 ++- 1 files changed, 2 insertions(+), 1 deletions(-)
diff --git a/drivers/dma/ioat/dma.c b/drivers/dma/ioat/dma.c
index c4333be..cc5c557 100644
--- a/drivers/dma/ioat/dma.c
+++ b/drivers/dma/ioat/dma.c@@ -1313,7 +1313,8 @@ static int ioat_dma_self_test(struct ioatdma_device *device) dma_src = dma_map_single(dev, src, IOAT_TEST_SIZE, DMA_TO_DEVICE); dma_dest = dma_map_single(dev, dest, IOAT_TEST_SIZE, DMA_FROM_DEVICE); - flags = DMA_COMPL_SRC_UNMAP_SINGLE | DMA_COMPL_DEST_UNMAP_SINGLE; + flags = DMA_COMPL_SRC_UNMAP_SINGLE | DMA_COMPL_DEST_UNMAP_SINGLE | + DMA_PREP_INTERRUPT; tx = device->common.device_prep_dma_memcpy(dma_chan, dma_dest, dma_src, IOAT_TEST_SIZE, flags); if (!tx) {