From: Kishon Vijay Abraham I Date: Mon, 26 Aug 2024 10:25:10 +0000 (+0530) Subject: dma: ti: k3-udma: Add support for native configuration of chan/flow X-Git-Url: http://git.dujemihanovic.xyz/posts?a=commitdiff_plain;h=c78af987208d88a04037796b9da5f33d3aa09b46;p=u-boot.git dma: ti: k3-udma: Add support for native configuration of chan/flow In absence of Device Manager (DM) services such as at R5 SPL stage, driver will have to natively setup TCHAN/RCHAN/RFLOW cfg registers. Existing UDMA driver performed the above mentioned configuration for UDMA. Add similar configuration for PKTDMA here. Reviewed-by: Alexander Sverdlin Signed-off-by: Kishon Vijay Abraham I Signed-off-by: Siddharth Vadapalli Signed-off-by: Chintan Vankar --- diff --git a/drivers/dma/ti/k3-udma.c b/drivers/dma/ti/k3-udma.c index b7e674f218..e23d09e6b8 100644 --- a/drivers/dma/ti/k3-udma.c +++ b/drivers/dma/ti/k3-udma.c @@ -2118,6 +2118,9 @@ static int bcdma_tisci_tx_channel_config(struct udma_chan *uc) if (ret) dev_err(ud->dev, "tchan%d cfg failed %d\n", tchan->id, ret); + if (IS_ENABLED(CONFIG_K3_DM_FW)) + udma_alloc_tchan_raw(uc); + return ret; } @@ -2166,6 +2169,9 @@ static int pktdma_tisci_rx_channel_config(struct udma_chan *uc) dev_err(ud->dev, "flow%d config failed: %d\n", uc->rflow->id, ret); + if (IS_ENABLED(CONFIG_K3_DM_FW)) + udma_alloc_rchan_raw(uc); + return ret; }