[PATCH v2] net: axi_emac: Use reg property for DMA registers

[Michal Simek]

On 11/16/23 17:40, Mayuresh Chitale wrote:
> As per the xlnx,axi-ethernet-1.00.a DT documentation in linux, the AXI
> DMA registers can be obtained via the reg property or via a separate
> node for the axistream DMA controller. Currently only the latter is
> supported, so add support to fetch the DMA controller registers from the
> "reg" property.
> 
> Signed-off-by: Mayuresh Chitale <mchitale at ventanamicro.com>
> Reviewed-by: Michal Simek <michal.simek at amd.com>
> ---
> Changes in v2:
> ====
> Add Reviewed-by Tag.
> 
>   drivers/net/xilinx_axi_emac.c | 9 ++++-----
>   1 file changed, 4 insertions(+), 5 deletions(-)
> 
> diff --git a/drivers/net/xilinx_axi_emac.c b/drivers/net/xilinx_axi_emac.c
> index 54f2232768..ef151ee51b 100644
> --- a/drivers/net/xilinx_axi_emac.c
> +++ b/drivers/net/xilinx_axi_emac.c
> @@ -903,12 +903,11 @@ static int axi_emac_of_to_plat(struct udevice *dev)
>   
>   	ret = dev_read_phandle_with_args(dev, "axistream-connected", NULL, 0, 0,
>   					 &axistream_node);
> -	if (ret) {
> -		printf("%s: axistream is not found\n", __func__);
> -		return -EINVAL;
> -	}
> +	if (!ret)
> +		plat->dmatx = (struct axidma_reg *)ofnode_get_addr(axistream_node.node);
> +	else
> +		plat->dmatx = (struct axidma_reg *)dev_read_addr_index(dev, 1);
>   
> -	plat->dmatx = (struct axidma_reg *)ofnode_get_addr(axistream_node.node);
>   	if (!plat->dmatx) {
>   		printf("%s: axi_dma register space not found\n", __func__);
>   		return -EINVAL;

Applied.
M