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| author | Peter Ujfalusi <peter.ujfalusi@ti.com> | 2020-12-08 10:04:21 +0100 |
|---|---|---|
| committer | Vinod Koul <vkoul@kernel.org> | 2020-12-11 16:50:07 +0100 |
| commit | e2de925bbfe321ba0588c99f577c59386ab1f428 (patch) | |
| tree | 56f831b91378b9f68096da42b9ab4e759793149c /drivers/dma/ti/k3-udma.c | |
| parent | Merge tag 'tags/drivers_soc_for_5.11' into dmaengine/next (diff) | |
| download | linux-e2de925bbfe321ba0588c99f577c59386ab1f428.tar.xz linux-e2de925bbfe321ba0588c99f577c59386ab1f428.zip | |
dmaengine: ti: k3-udma: Correct normal channel offset when uchan_cnt is not 0
According to different sections of the TRM, the hchan_cnt of CAP3 includes
the number of uchan in UDMA, thus the start offset of the normal channels
are hchan_cnt.
Fixes: daf4ad0499aa4 ("dmaengine: ti: k3-udma: Query throughput level information from hardware")
Signed-off-by: Peter Ujfalusi <peter.ujfalusi@ti.com>
Link: https://lore.kernel.org/r/20201208090440.31792-2-peter.ujfalusi@ti.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
Diffstat (limited to 'drivers/dma/ti/k3-udma.c')
| -rw-r--r-- | drivers/dma/ti/k3-udma.c | 3 |
1 files changed, 1 insertions, 2 deletions
diff --git a/drivers/dma/ti/k3-udma.c b/drivers/dma/ti/k3-udma.c index e508280b3d70..0e8426dd18a7 100644 --- a/drivers/dma/ti/k3-udma.c +++ b/drivers/dma/ti/k3-udma.c @@ -3199,8 +3199,7 @@ static int udma_setup_resources(struct udma_dev *ud) } else if (UDMA_CAP3_UCHAN_CNT(cap3)) { ud->tpl_levels = 3; ud->tpl_start_idx[1] = UDMA_CAP3_UCHAN_CNT(cap3); - ud->tpl_start_idx[0] = ud->tpl_start_idx[1] + - UDMA_CAP3_HCHAN_CNT(cap3); + ud->tpl_start_idx[0] = UDMA_CAP3_HCHAN_CNT(cap3); } else if (UDMA_CAP3_HCHAN_CNT(cap3)) { ud->tpl_levels = 2; ud->tpl_start_idx[0] = UDMA_CAP3_HCHAN_CNT(cap3); |