Prasanth Babu Mantena e7713a7882 dma: ti: k3-udma: Fix BCDMA probe by adding check for MMR_RFLOW
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>
2024-12-31 07:53:17 -06:00
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