| Message ID | 20201208090440.31792-2-peter.ujfalusi@ti.com |
|---|---|
| State | Accepted |
| Commit | e2de925bbfe321ba0588c99f577c59386ab1f428 |
| Headers | show
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| Series |
dmaengine/soc: k3-udma: Add support for BCDMA and PKTDMA
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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);
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> --- drivers/dma/ti/k3-udma.c | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) -- Peter Texas Instruments Finland Oy, Porkkalankatu 22, 00180 Helsinki. Y-tunnus/Business ID: 0615521-4. Kotipaikka/Domicile: Helsinki