RFLOW config related MMR does not exist incase of BCDMA. Add check to bypass the RFLOW MMR extraction. Without this, the probe sequence fails checking for the MMR_RFLOW region, which is valid only for packet based DMA and obselete for BCDMA.

Fixes: 5abb694d6016 ("dma: ti: k3-udma: Add support for native configuration of chan/flow") Signed-off-by: Prasanth Babu Mantena p-mantena@ti.com Tested-by: Jonathan Humphreys j-humphreys@ti.com --- v2 <--> v1 Add Fixes tag.

drivers/dma/ti/k3-udma.c | 2 ++ 1 file changed, 2 insertions(+)

diff --git a/drivers/dma/ti/k3-udma.c b/drivers/dma/ti/k3-udma.c index dac4023ccfd..3013c4741d0 100644 --- a/drivers/dma/ti/k3-udma.c +++ b/drivers/dma/ti/k3-udma.c @@ -1331,6 +1331,8 @@ static int udma_get_mmrs(struct udevice *dev) continue; if (i == MMR_RCHANRT && ud->rchan_cnt == 0) continue; + if (i == MMR_RFLOW && ud->match_data->type == DMA_TYPE_BCDMA) + continue;

ud->mmrs[i] = dev_read_addr_name_ptr(dev, mmr_names[i]); if (!ud->mmrs[i])