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

[mchitale at ventanamicro.com]

Hi Michal,

On Thu, 2023-11-02 at 10:15 +0100, Michal Simek wrote:
> 
> On 11/2/23 09:23, 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>
> > ---
> >   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;
> 
> This looks good to me. Can you please send it separately?
> It is really independent of change from other patches.
Actually it is a separate patch.
> 
> Reviewed-by: Michal Simek <michal.simek at amd.com>
> 
> Thanks,
> Michal