From: Vignesh Raghavendra Date: Fri, 7 Jun 2024 18:11:03 +0000 (+0530) Subject: dmaengine: ti: k3-udma: Fix BCHAN count with UHC and HC channels X-Git-Tag: nvme-6.12-2024-09-06~79^2~6 X-Git-Url: https://www.infradead.org/git/?a=commitdiff_plain;h=372f8b3621294173f539b32976e41e6e12f5decf;p=nvme.git 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 Signed-off-by: Jai Luthra Tested-by: Jayesh Choudhary Link: https://lore.kernel.org/r/20240607-bcdma_chan_cnt-v2-1-bf1a55529d91@ti.com Signed-off-by: Vinod Koul --- 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;