From: Lokesh Vutla Date: Fri, 28 Feb 2020 12:26:20 +0000 (+0530) Subject: dma: ti: k3-udma: Mark flow id as valid parameter for RX channel config X-Git-Url: http://git.dujemihanovic.xyz/?a=commitdiff_plain;h=57b2712b2b45a4363e792a66a24121a0a7aedf89;p=u-boot.git dma: ti: k3-udma: Mark flow id as valid parameter for RX channel config When flow id is not marked as valid, sysfw reads the register value to get the range of flow ids that are supported. Then compares the flow range with the U-Boot's host id. This will definitely fail as board configuration doesn't assign the full range to U-Boot's host id. In order to work around this, mark the flow id as valid and pass range as 0. Signed-off-by: Lokesh Vutla --- diff --git a/drivers/dma/ti/k3-udma.c b/drivers/dma/ti/k3-udma.c index e587f1fcb2..a0e536ae5e 100644 --- a/drivers/dma/ti/k3-udma.c +++ b/drivers/dma/ti/k3-udma.c @@ -938,7 +938,9 @@ static int udma_alloc_rchan_sci_req(struct udma_chan *uc) req.valid_params = TI_SCI_MSG_VALUE_RM_UDMAP_CH_FETCH_SIZE_VALID | TI_SCI_MSG_VALUE_RM_UDMAP_CH_CQ_QNUM_VALID | - TI_SCI_MSG_VALUE_RM_UDMAP_CH_CHAN_TYPE_VALID; + TI_SCI_MSG_VALUE_RM_UDMAP_CH_CHAN_TYPE_VALID | + TI_SCI_MSG_VALUE_RM_UDMAP_CH_RX_FLOWID_START_VALID | + TI_SCI_MSG_VALUE_RM_UDMAP_CH_RX_FLOWID_CNT_VALID; req.nav_id = tisci_rm->tisci_dev_id; req.index = uc->rchan->id; req.rx_chan_type = mode; @@ -954,9 +956,6 @@ static int udma_alloc_rchan_sci_req(struct udma_chan *uc) if (uc->rflow->id != uc->rchan->id && uc->dir != DMA_MEM_TO_MEM) { req.flowid_start = uc->rflow->id; req.flowid_cnt = 1; - req.valid_params |= - TI_SCI_MSG_VALUE_RM_UDMAP_CH_RX_FLOWID_START_VALID | - TI_SCI_MSG_VALUE_RM_UDMAP_CH_RX_FLOWID_CNT_VALID; } ret = tisci_rm->tisci_udmap_ops->rx_ch_cfg(tisci_rm->tisci, &req);