diff options
| author | Dave Jiang <dave.jiang@intel.com> | 2021-07-14 21:38:41 +0300 |
|---|---|---|
| committer | Vinod Koul <vkoul@kernel.org> | 2021-07-20 20:23:56 +0300 |
| commit | 8ba89a3c7967808f33478a8573277cf6a7412c4c (patch) | |
| tree | 5d246e88b49300fd2c61723058a6b333261bc3f5 | |
| parent | d5c10e0fc8645342fe5c9796b00c84ab078cd713 (diff) | |
| download | linux-8ba89a3c7967808f33478a8573277cf6a7412c4c.tar.xz | |
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>
| -rw-r--r-- | drivers/dma/idxd/submit.c | 3 |
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 |