generic: rtl8367b: make it possible to specify cpu_port via DT

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>

diff --git a/target/linux/generic/files/drivers/net/phy/rtl8367b.c b/target/linux/generic/files/drivers/net/phy/rtl8367b.c
index cd8de810b51c746e257288afb637d4e398f03264..be9f74f8883f7392cf35f488e6ca3ed21b83a176 100644 (file)
--- 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);