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| author |   Vignesh Raghavendra <vigneshr@ti.com> | 2021-01-12 19:44:03 +0530 |
|---|---|---|
| committer |   Vinod Koul <vkoul@kernel.org> | 2021-01-13 16:52:19 +0530 |
| commit | aecf9d38361090857aa58708e500ee79bed1e273 (patch) | |
| tree | 3fdd09c861a2aa421d3e068fb2da6bede7d3f440 /drivers/dma/ti | |
| parent | dmaengine: qcom: Always inline gpi_update_reg (diff) | |
| download | linux-dev-aecf9d38361090857aa58708e500ee79bed1e273.tar.xz linux-dev-aecf9d38361090857aa58708e500ee79bed1e273.zip | |
dmaengine: ti: k3-udma: Set rflow count for BCDMA split channels
BCDMA RX channels have one flow per channel, therefore set the rflow_cnt
to rchan_cnt.
Without this patch, request for BCDMA RX channel allocation fails as
rflow_cnt is 0 thus fails to reserve a rflow for the channel.
Fixes: 8844898028d4 ("dmaengine: ti: k3-udma: Add support for BCDMA channel TPL handling")
Signed-off-by: Vignesh Raghavendra <vigneshr@ti.com>
Acked-by: Peter Ujfalusi <peter.ujfalusi@gmail.com>
Link: https://lore.kernel.org/r/20210112141403.30286-1-vigneshr@ti.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
Diffstat (limited to 'drivers/dma/ti')
| -rw-r--r-- | drivers/dma/ti/k3-udma.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/dma/ti/k3-udma.c b/drivers/dma/ti/k3-udma.c index 87157cbae1b8..e9cc207626f3 100644 --- a/drivers/dma/ti/k3-udma.c +++ b/drivers/dma/ti/k3-udma.c @@ -4305,6 +4305,7 @@ static int udma_get_mmrs(struct platform_device *pdev, struct udma_dev *ud) ud->bchan_cnt = BCDMA_CAP2_BCHAN_CNT(cap2); ud->tchan_cnt = BCDMA_CAP2_TCHAN_CNT(cap2); ud->rchan_cnt = BCDMA_CAP2_RCHAN_CNT(cap2); + ud->rflow_cnt = ud->rchan_cnt; break; case DMA_TYPE_PKTDMA: cap4 = udma_read(ud->mmrs[MMR_GCFG], 0x30); |