diff mbox series

[OpenWrt-Devel,v1,6/8] generic: rtl8367b: make it possible to specify cpu_port via DT

Message ID 7dd87d4514c20e96b4c578bd6574255912c00249.1539808453.git.chunkeey@gmail.com
State Accepted
Delegated to: John Crispin
Headers show
Series [OpenWrt-Devel,v1,1/8] apm821xx: add uboot-envtools support | expand

Commit Message

Christian Lamparter Oct. 17, 2018, 8:37 p.m. UTC 
This patch adds the feature to parse the existing cpu_port DT
property, which is used to specify which port is the cpu port
of the switch.

Signed-off-by: Christian Lamparter <chunkeey@gmail.com>
---
 target/linux/generic/files/drivers/net/phy/rtl8367b.c | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)
diff mbox series

Patch

diff --git a/target/linux/generic/files/drivers/net/phy/rtl8367b.c b/target/linux/generic/files/drivers/net/phy/rtl8367b.c
index cd8de810b5..be9f74f888 100644
--- a/target/linux/generic/files/drivers/net/phy/rtl8367b.c
+++ b/target/linux/generic/files/drivers/net/phy/rtl8367b.c
@@ -1401,7 +1401,7 @@  static int rtl8367b_switch_init(struct rtl8366_smi *smi)
 	int err;
 
 	dev->name = "RTL8367B";
-	dev->cpu_port = RTL8367B_CPU_PORT_NUM;
+	dev->cpu_port = smi->cpu_port;
 	dev->ports = RTL8367B_NUM_PORTS;
 	dev->vlans = RTL8367B_NUM_VIDS;
 	dev->ops = &rtl8367b_sw_ops;
@@ -1534,8 +1534,10 @@  static int  rtl8367b_probe(struct platform_device *pdev)
 	smi->cmd_read = 0xb9;
 	smi->cmd_write = 0xb8;
 	smi->ops = &rtl8367b_smi_ops;
-	smi->cpu_port = RTL8367B_CPU_PORT_NUM;
 	smi->num_ports = RTL8367B_NUM_PORTS;
+	if (of_property_read_u32(pdev->dev.of_node, "cpu_port", &smi->cpu_port)
+	    || smi->cpu_port >= smi->num_ports)
+		smi->cpu_port = RTL8367B_CPU_PORT_NUM;
 	smi->num_vlan_mc = RTL8367B_NUM_VLANS;
 	smi->mib_counters = rtl8367b_mib_counters;
 	smi->num_mib_counters = ARRAY_SIZE(rtl8367b_mib_counters);