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generic: fix c45 soft reset for RTL8221B

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The addition of the soft_reset() function to the RTL8221B PHYs
missed to take care of C22/C45 standalone PHY versions. Especially
on RTL930x switch devices with these PHY the reset fails for the
C45 operation mode. This comes from the fact that the mdio bus
disables C22 read/writes when being set to C45.

Upstream has gained a proper C45 reset function. Use it for the
C45 PHY models.

Fixes: 7e3284eef7 ("generic: use genphy_soft_reset for RealTek 2.5G PHYs")

Signed-off-by: Markus Stockhausen <markus.stockhausen@gmx.de>
Link: https://github.com/openwrt/openwrt/pull/19843
Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
This commit is contained in:
Markus Stockhausen 2025-08-27 13:51:55 -04:00 committed by Hauke Mehrtens
parent a3d681d7f5
commit a43330799b
3 changed files with 6 additions and 6 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

4
target/linux/generic/pending-6.12/720-01-net-phy-realtek-use-genphy_soft_reset-for-2.5G-PHYs.patch
View File

@ -51,7 +51,7 @@ Signed-off-by: Daniel Golle <daniel@makrotopia.org>
}, {
.match_phy_device = rtl8221b_vb_cg_c45_match_phy_device,
.name = "RTL8221B-VB-CG 2.5Gbps PHY (C45)",
+ .soft_reset = genphy_soft_reset,
+ .soft_reset = rtl822x_c45_soft_reset,
.probe = rtl822x_probe,
.config_init = rtl822xb_config_init,
.get_rate_matching = rtl822xb_get_rate_matching,
@ -67,7 +67,7 @@ Signed-off-by: Daniel Golle <daniel@makrotopia.org>
}, {
.match_phy_device = rtl8221b_vn_cg_c45_match_phy_device,
.name = "RTL8221B-VN-CG 2.5Gbps PHY (C45)",
+ .soft_reset = genphy_soft_reset,
+ .soft_reset = rtl822x_c45_soft_reset,
.probe = rtl822x_probe,
.config_init = rtl822xb_config_init,
.get_rate_matching = rtl822xb_get_rate_matching,

4
target/linux/generic/pending-6.12/720-06-net-phy-realtek-support-interrupt-of-RTL8221B.patch
View File

@ -79,7 +79,7 @@ Signed-off-by: Jianhui Zhao <zhaojh329@gmail.com>
.name = "RTL8221B-VB-CG 2.5Gbps PHY (C45)",
+ .config_intr = rtl8221b_config_intr,
+ .handle_interrupt = rtl8221b_handle_interrupt,
.soft_reset = genphy_soft_reset,
.soft_reset = rtl822x_c45_soft_reset,
.probe = rtl822x_probe,
.config_init = rtl822xb_config_init,
@@ -1800,6 +1849,8 @@ static struct phy_driver realtek_drvs[]
@ -97,6 +97,6 @@ Signed-off-by: Jianhui Zhao <zhaojh329@gmail.com>
.name = "RTL8221B-VN-CG 2.5Gbps PHY (C45)",
+ .config_intr = rtl8221b_config_intr,
+ .handle_interrupt = rtl8221b_handle_interrupt,
.soft_reset = genphy_soft_reset,
.soft_reset = rtl822x_c45_soft_reset,
.probe = rtl822x_probe,
.config_init = rtl822xb_config_init,

4
target/linux/generic/pending-6.12/720-08-net-phy-realtek-work-around-broken-serdes.patch
View File

@ -40,7 +40,7 @@ Signed-off-by: Daniel Golle <daniel@makrotopia.org>
{
@@ -1842,7 +1858,7 @@ static struct phy_driver realtek_drvs[]
.handle_interrupt = rtl8221b_handle_interrupt,
.soft_reset = genphy_soft_reset,
.soft_reset = rtl822x_c45_soft_reset,
.probe = rtl822x_probe,
- .config_init = rtl822xb_config_init,
+ .config_init = rtl822xb_config_init_war,
@ -49,7 +49,7 @@ Signed-off-by: Daniel Golle <daniel@makrotopia.org>
.config_aneg = rtl822x_c45_config_aneg,
@@ -1872,7 +1888,7 @@ static struct phy_driver realtek_drvs[]
.handle_interrupt = rtl8221b_handle_interrupt,
.soft_reset = genphy_soft_reset,
.soft_reset = rtl822x_c45_soft_reset,
.probe = rtl822x_probe,
- .config_init = rtl822xb_config_init,
+ .config_init = rtl822xb_config_init_war,