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realtek: mdio: setup polling for RTL8261

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Startup of mdio on a RTL8216 based device currently shows the
following warnings.

[1.948608] skip polling setup for unknown PHY 001ccaf3 on port 0
[1.968920] skip polling setup for unknown PHY 001ccaf3 on port 8
[1.989171] skip polling setup for unknown PHY 001ccaf3 on port 16
[2.009704] skip polling setup for unknown PHY 001ccaf3 on port 20
[2.030209] skip polling setup for unknown PHY 001ccaf3 on port 24
[2.052270] realtek-otto-serdes-mdio 1b000000.switchcore:mdio-serdes:
           Realtek SerDes mdio bus initialized, 12 SerDes, 64 pages

Add the phy detection to the mdio bus so that polling setup works.
While we are here sort the phy ids alphabetically.

Signed-off-by: Markus Stockhausen <markus.stockhausen@gmx.de>
Link: https://github.com/openwrt/openwrt/pull/22109
Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
This commit is contained in:
Markus Stockhausen 2026-02-20 07:55:24 +01:00 • committed by Hauke Mehrtens
parent b270580dea
commit 1ff39f9e98
1 changed files with 8 additions and 2 deletions
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10
target/linux/realtek/files-6.12/drivers/net/mdio/mdio-realtek-otto.c
View file

@ -16,12 +16,13 @@
#define RTMDIO_PHY_AQR113C_A 0x31c31c12
#define RTMDIO_PHY_AQR113C_B 0x31c31c13
#define RTMDIO_PHY_AQR813 0x31c31cb2
#define RTMDIO_PHY_RTL8218D 0x001cc983
#define RTMDIO_PHY_RTL8218E 0x001cc984
#define RTMDIO_PHY_RTL8221B_VB_CG 0x001cc849
#define RTMDIO_PHY_RTL8221B_VM_CG 0x001cc84a
#define RTMDIO_PHY_RTL8224 0x001ccad0
#define RTMDIO_PHY_RTL8226 0x001cc838
#define RTMDIO_PHY_RTL8218D 0x001cc983
#define RTMDIO_PHY_RTL8218E 0x001cc984
#define RTMDIO_PHY_RTL8261 0x001ccaf3
#define RTMDIO_PHY_MAC_1G 3
#define RTMDIO_PHY_MAC_2G_PLUS 1
@ -637,6 +638,11 @@ static int rtmdio_get_phy_info(struct mii_bus *bus, int addr, struct rtmdio_phy_
phyinfo->poll_adv_1000 = RTMDIO_PHY_POLL_MMD(31, 0xa412, 9);
phyinfo->poll_lpa_1000 = RTMDIO_PHY_POLL_MMD(31, 0xa414, 11);
break;
case RTMDIO_PHY_RTL8261:
phyinfo->mac_type = RTMDIO_PHY_MAC_2G_PLUS;
phyinfo->has_giga_lite = true;
phyinfo->has_res_reg = true;
break;
default:
pr_warn("skip polling setup for unknown PHY %08x on port %d\n", phyid, addr);
ret = -EINVAL;