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authorVignesh Raghavendra <vigneshr@ti.com>2024-06-07 23:41:03 +0530
committerVinod Koul <vkoul@kernel.org>2024-06-28 12:59:30 +0530
commit372f8b3621294173f539b32976e41e6e12f5decf (patch)
tree117a8f389d8432171f3dad2be349acde8cf58ea1 /drivers/dma
parent0e53aa3464e9a0a82bd3b926ba5999a11569c9ba (diff)
dmaengine: ti: k3-udma: Fix BCHAN count with UHC and HC channels
Unlike other channel counts in CAPx registers, BCDMA BCHAN CNT doesn't include UHC and HC BC channels. So include them explicitly to arrive at total BC channel in the instance. Fixes: 8844898028d4 ("dmaengine: ti: k3-udma: Add support for BCDMA channel TPL handling") Signed-off-by: Vignesh Raghavendra <vigneshr@ti.com> Signed-off-by: Jai Luthra <j-luthra@ti.com> Tested-by: Jayesh Choudhary <j-choudhary@ti.com> Link: https://lore.kernel.org/r/20240607-bcdma_chan_cnt-v2-1-bf1a55529d91@ti.com Signed-off-by: Vinod Koul <vkoul@kernel.org>
Diffstat (limited to 'drivers/dma')
-rw-r--r--drivers/dma/ti/k3-udma.c4
1 files changed, 3 insertions, 1 deletions
diff --git a/drivers/dma/ti/k3-udma.c b/drivers/dma/ti/k3-udma.c
index d7259caa0200..c253e6dd8df0 100644
--- a/drivers/dma/ti/k3-udma.c
+++ b/drivers/dma/ti/k3-udma.c
@@ -4473,7 +4473,9 @@ static int udma_get_mmrs(struct platform_device *pdev, struct udma_dev *ud)
ud->rchan_cnt = UDMA_CAP2_RCHAN_CNT(cap2);
break;
case DMA_TYPE_BCDMA:
- ud->bchan_cnt = BCDMA_CAP2_BCHAN_CNT(cap2);
+ ud->bchan_cnt = BCDMA_CAP2_BCHAN_CNT(cap2) +
+ BCDMA_CAP3_HBCHAN_CNT(cap3) +
+ BCDMA_CAP3_UBCHAN_CNT(cap3);
ud->tchan_cnt = BCDMA_CAP2_TCHAN_CNT(cap2);
ud->rchan_cnt = BCDMA_CAP2_RCHAN_CNT(cap2);
ud->rflow_cnt = ud->rchan_cnt;