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Commit a6a39ca1 authored by Dan Williams's avatar Dan Williams
Browse files

ioat: fix self test interrupts 



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: default avatarMaciej Sosnowski <maciej.sosnowski@intel.com>
Signed-off-by: default avatarDan Williams <dan.j.williams@intel.com>
parent a0587bcf

drivers/dma/ioat/dma.c

+2 −1
Original line number Diff line number Diff line
@@ -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) {