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Sat, 11 Nov 2023 09:36:27 -0800 (PST) From: Mayuresh Chitale To: Joe Hershberger , Ramon Fried , Michal Simek Cc: Mayuresh Chitale , u-boot@lists.denx.de, Simon Glass , Tom Rini Subject: [PATCH v2] net: axi_emac: Use reg property for DMA registers Date: Sat, 11 Nov 2023 23:06:03 +0530 Message-Id: <20231111173604.93103-2-mchitale@ventanamicro.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20231111173604.93103-1-mchitale@ventanamicro.com> References: <20231111173604.93103-1-mchitale@ventanamicro.com> MIME-Version: 1.0 X-BeenThere: u-boot@lists.denx.de X-Mailman-Version: 2.1.39 Precedence: list List-Id: U-Boot discussion List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: u-boot-bounces@lists.denx.de Sender: "U-Boot" X-Virus-Scanned: clamav-milter 0.103.8 at phobos.denx.de X-Virus-Status: Clean 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 Reviewed-by: Michal Simek --- 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;