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authorDave Jiang2021-07-14 11:38:41 -0700
committerVinod Koul2021-07-20 22:53:56 +0530
commit8ba89a3c7967808f33478a8573277cf6a7412c4c (patch)
tree5d246e88b49300fd2c61723058a6b333261bc3f5 /drivers/dma
parentd5c10e0fc8645342fe5c9796b00c84ab078cd713 (diff)
dmaengine: idxd: fix desc->vector that isn't being updated
Missing update for desc->vector when the wq vector gets updated. This causes the desc->vector to always be at 0. Fixes: da435aedb00a ("dmaengine: idxd: fix array index when int_handles are being used") Signed-off-by: Dave Jiang <dave.jiang@intel.com> Link: https://lore.kernel.org/r/162628784374.353761.4736602409627820431.stgit@djiang5-desk3.ch.intel.com Signed-off-by: Vinod Koul <vkoul@kernel.org>
Diffstat (limited to 'drivers/dma')
-rw-r--r--drivers/dma/idxd/submit.c3
1 files changed, 1 insertions, 2 deletions
diff --git a/drivers/dma/idxd/submit.c b/drivers/dma/idxd/submit.c
index e29887528077..21d7d09f73dd 100644
--- a/drivers/dma/idxd/submit.c
+++ b/drivers/dma/idxd/submit.c
@@ -25,11 +25,10 @@ static struct idxd_desc *__get_desc(struct idxd_wq *wq, int idx, int cpu)
* Descriptor completion vectors are 1...N for MSIX. We will round
* robin through the N vectors.
*/
- wq->vec_ptr = (wq->vec_ptr % idxd->num_wq_irqs) + 1;
+ wq->vec_ptr = desc->vector = (wq->vec_ptr % idxd->num_wq_irqs) + 1;
if (!idxd->int_handles) {
desc->hw->int_handle = wq->vec_ptr;
} else {
- desc->vector = wq->vec_ptr;
/*
* int_handles are only for descriptor completion. However for device
* MSIX enumeration, vec 0 is used for misc interrupts. Therefore even