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@ventanamicro.com Reviewed-by: Michal Simek michal.simek@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;