Prasanth Babu Mantena <[email protected]> writes:

> 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.
>
> Signed-off-by: Prasanth Babu Mantena <[email protected]>
> ---
>  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])
> -- 
> 2.34.1

Tested-by: Jonathan Humphreys <[email protected]>

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