generic: backport pending Realtek PHY patches
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These patches have been accepted, so we can move them from pending to
backported.

Signed-off-by: Álvaro Fernández Rojas <noltari@gmail.com>
(cherry picked from commit 7924acdd63490aa436bf114d290cb56cd4eba008)
This commit is contained in:
Álvaro Fernández Rojas 2025-01-17 13:45:11 +01:00
parent 1019df4af9
commit 4daf540df3
14 changed files with 182 additions and 261 deletions

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@ -0,0 +1,52 @@
From 34d5a86ff7bbe225fba3ad91f9b4dc85fb408e18 Mon Sep 17 00:00:00 2001
From: Daniel Golle <daniel@makrotopia.org>
Date: Wed, 15 Jan 2025 14:43:35 +0000
Subject: [PATCH] net: phy: realtek: clear 1000Base-T lpa if link is down
Only read 1000Base-T link partner advertisement if autonegotiation has
completed and otherwise 1000Base-T link partner advertisement bits.
This fixes bogus 1000Base-T link partner advertisement after link goes
down (eg. by disconnecting the wire).
Fixes: 5cb409b3960e ("net: phy: realtek: clear 1000Base-T link partner advertisement")
Signed-off-by: Daniel Golle <daniel@makrotopia.org>
Reviewed-by: Michal Swiatkowski <michal.swiatkowski@linux.intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
drivers/net/phy/realtek.c | 19 ++++++++-----------
1 file changed, 8 insertions(+), 11 deletions(-)
--- a/drivers/net/phy/realtek.c
+++ b/drivers/net/phy/realtek.c
@@ -1023,23 +1023,20 @@ static int rtl822x_c45_read_status(struc
{
int ret, val;
- ret = genphy_c45_read_status(phydev);
- if (ret < 0)
- return ret;
-
- if (phydev->autoneg == AUTONEG_DISABLE ||
- !genphy_c45_aneg_done(phydev))
- mii_stat1000_mod_linkmode_lpa_t(phydev->lp_advertising, 0);
-
/* Vendor register as C45 has no standardized support for 1000BaseT */
- if (phydev->autoneg == AUTONEG_ENABLE) {
+ if (phydev->autoneg == AUTONEG_ENABLE && genphy_c45_aneg_done(phydev)) {
val = phy_read_mmd(phydev, MDIO_MMD_VEND2,
RTL822X_VND2_GANLPAR);
if (val < 0)
return val;
-
- mii_stat1000_mod_linkmode_lpa_t(phydev->lp_advertising, val);
+ } else {
+ val = 0;
}
+ mii_stat1000_mod_linkmode_lpa_t(phydev->lp_advertising, val);
+
+ ret = genphy_c45_read_status(phydev);
+ if (ret < 0)
+ return ret;
if (!phydev->link)
return 0;

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@ -0,0 +1,35 @@
From ea8318cb33e593bbfc59d637eae45a69732c5387 Mon Sep 17 00:00:00 2001
From: Daniel Golle <daniel@makrotopia.org>
Date: Wed, 15 Jan 2025 14:43:43 +0000
Subject: [PATCH] net: phy: realtek: clear master_slave_state if link is down
rtlgen_decode_physr() which sets master_slave_state isn't called in case
the link is down and other than rtlgen_read_status(),
rtl822x_c45_read_status() doesn't implicitely clear master_slave_state.
Avoid stale master_slave_state by always setting it to
MASTER_SLAVE_STATE_UNKNOWN in rtl822x_c45_read_status() in case the link
is down.
Fixes: 081c9c0265c9 ("net: phy: realtek: read duplex and gbit master from PHYSR register")
Signed-off-by: Daniel Golle <daniel@makrotopia.org>
Reviewed-by: Michal Swiatkowski <michal.swiatkowski@linux.intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
drivers/net/phy/realtek.c | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)
--- a/drivers/net/phy/realtek.c
+++ b/drivers/net/phy/realtek.c
@@ -1038,8 +1038,10 @@ static int rtl822x_c45_read_status(struc
if (ret < 0)
return ret;
- if (!phydev->link)
+ if (!phydev->link) {
+ phydev->master_slave_state = MASTER_SLAVE_STATE_UNKNOWN;
return 0;
+ }
/* Read actual speed from vendor register. */
val = phy_read_mmd(phydev, MDIO_MMD_VEND2, RTL_VND2_PHYSR);

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@ -0,0 +1,42 @@
From d3eb58549842c60ed46f37da7f4da969e3d6ecd3 Mon Sep 17 00:00:00 2001
From: Daniel Golle <daniel@makrotopia.org>
Date: Wed, 15 Jan 2025 14:45:00 +0000
Subject: [PATCH] net: phy: realtek: always clear NBase-T lpa
Clear NBase-T link partner advertisement before calling
rtlgen_read_status() to avoid phy_resolve_aneg_linkmode() wrongly
setting speed and duplex.
This fixes bogus 2.5G/5G/10G link partner advertisement and thus
speed and duplex being set by phy_resolve_aneg_linkmode() due to stale
NBase-T lpa.
Fixes: 68d5cd09e891 ("net: phy: realtek: change order of calls in C22 read_status()")
Signed-off-by: Daniel Golle <daniel@makrotopia.org>
Reviewed-by: Michal Swiatkowski <michal.swiatkowski@linux.intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
drivers/net/phy/realtek.c | 6 +++---
1 file changed, 3 insertions(+), 3 deletions(-)
--- a/drivers/net/phy/realtek.c
+++ b/drivers/net/phy/realtek.c
@@ -952,15 +952,15 @@ static int rtl822x_read_status(struct ph
{
int lpadv, ret;
+ mii_10gbt_stat_mod_linkmode_lpa_t(phydev->lp_advertising, 0);
+
ret = rtlgen_read_status(phydev);
if (ret < 0)
return ret;
if (phydev->autoneg == AUTONEG_DISABLE ||
- !phydev->autoneg_complete) {
- mii_10gbt_stat_mod_linkmode_lpa_t(phydev->lp_advertising, 0);
+ !phydev->autoneg_complete)
return 0;
- }
lpadv = phy_read_paged(phydev, 0xa5d, 0x13);
if (lpadv < 0)

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@ -63,7 +63,7 @@ Signed-off-by: Jakub Kicinski <kuba@kernel.org>
+obj-$(CONFIG_REALTEK_PHY) += realtek.o
--- a/drivers/net/phy/realtek.c
+++ /dev/null
@@ -1,1590 +0,0 @@
@@ -1,1589 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0+
-/* drivers/net/phy/realtek.c
- *
@ -1026,15 +1026,15 @@ Signed-off-by: Jakub Kicinski <kuba@kernel.org>
-{
- int lpadv, ret;
-
- mii_10gbt_stat_mod_linkmode_lpa_t(phydev->lp_advertising, 0);
-
- ret = rtlgen_read_status(phydev);
- if (ret < 0)
- return ret;
-
- if (phydev->autoneg == AUTONEG_DISABLE ||
- !phydev->autoneg_complete) {
- mii_10gbt_stat_mod_linkmode_lpa_t(phydev->lp_advertising, 0);
- !phydev->autoneg_complete)
- return 0;
- }
-
- lpadv = phy_read_paged(phydev, 0xa5d, 0x13);
- if (lpadv < 0)
@ -1097,26 +1097,25 @@ Signed-off-by: Jakub Kicinski <kuba@kernel.org>
-{
- int ret, val;
-
- ret = genphy_c45_read_status(phydev);
- if (ret < 0)
- return ret;
-
- if (phydev->autoneg == AUTONEG_DISABLE ||
- !genphy_c45_aneg_done(phydev))
- mii_stat1000_mod_linkmode_lpa_t(phydev->lp_advertising, 0);
-
- /* Vendor register as C45 has no standardized support for 1000BaseT */
- if (phydev->autoneg == AUTONEG_ENABLE) {
- if (phydev->autoneg == AUTONEG_ENABLE && genphy_c45_aneg_done(phydev)) {
- val = phy_read_mmd(phydev, MDIO_MMD_VEND2,
- RTL822X_VND2_GANLPAR);
- if (val < 0)
- return val;
-
- mii_stat1000_mod_linkmode_lpa_t(phydev->lp_advertising, val);
- } else {
- val = 0;
- }
- mii_stat1000_mod_linkmode_lpa_t(phydev->lp_advertising, val);
-
- if (!phydev->link)
- ret = genphy_c45_read_status(phydev);
- if (ret < 0)
- return ret;
-
- if (!phydev->link) {
- phydev->master_slave_state = MASTER_SLAVE_STATE_UNKNOWN;
- return 0;
- }
-
- /* Read actual speed from vendor register. */
- val = phy_read_mmd(phydev, MDIO_MMD_VEND2, RTL_VND2_PHYSR);
@ -1656,7 +1655,7 @@ Signed-off-by: Jakub Kicinski <kuba@kernel.org>
-MODULE_DEVICE_TABLE(mdio, realtek_tbl);
--- /dev/null
+++ b/drivers/net/phy/realtek/realtek_main.c
@@ -0,0 +1,1590 @@
@@ -0,0 +1,1589 @@
+// SPDX-License-Identifier: GPL-2.0+
+/* drivers/net/phy/realtek.c
+ *
@ -2619,15 +2618,15 @@ Signed-off-by: Jakub Kicinski <kuba@kernel.org>
+{
+ int lpadv, ret;
+
+ mii_10gbt_stat_mod_linkmode_lpa_t(phydev->lp_advertising, 0);
+
+ ret = rtlgen_read_status(phydev);
+ if (ret < 0)
+ return ret;
+
+ if (phydev->autoneg == AUTONEG_DISABLE ||
+ !phydev->autoneg_complete) {
+ mii_10gbt_stat_mod_linkmode_lpa_t(phydev->lp_advertising, 0);
+ !phydev->autoneg_complete)
+ return 0;
+ }
+
+ lpadv = phy_read_paged(phydev, 0xa5d, 0x13);
+ if (lpadv < 0)
@ -2690,26 +2689,25 @@ Signed-off-by: Jakub Kicinski <kuba@kernel.org>
+{
+ int ret, val;
+
+ ret = genphy_c45_read_status(phydev);
+ if (ret < 0)
+ return ret;
+
+ if (phydev->autoneg == AUTONEG_DISABLE ||
+ !genphy_c45_aneg_done(phydev))
+ mii_stat1000_mod_linkmode_lpa_t(phydev->lp_advertising, 0);
+
+ /* Vendor register as C45 has no standardized support for 1000BaseT */
+ if (phydev->autoneg == AUTONEG_ENABLE) {
+ if (phydev->autoneg == AUTONEG_ENABLE && genphy_c45_aneg_done(phydev)) {
+ val = phy_read_mmd(phydev, MDIO_MMD_VEND2,
+ RTL822X_VND2_GANLPAR);
+ if (val < 0)
+ return val;
+
+ mii_stat1000_mod_linkmode_lpa_t(phydev->lp_advertising, val);
+ } else {
+ val = 0;
+ }
+ mii_stat1000_mod_linkmode_lpa_t(phydev->lp_advertising, val);
+
+ if (!phydev->link)
+ ret = genphy_c45_read_status(phydev);
+ if (ret < 0)
+ return ret;
+
+ if (!phydev->link) {
+ phydev->master_slave_state = MASTER_SLAVE_STATE_UNKNOWN;
+ return 0;
+ }
+
+ /* Read actual speed from vendor register. */
+ val = phy_read_mmd(phydev, MDIO_MMD_VEND2, RTL_VND2_PHYSR);

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@ -170,7 +170,7 @@ Signed-off-by: Jakub Kicinski <kuba@kernel.org>
static int rtl822xb_config_init(struct phy_device *phydev)
{
bool has_2500, has_sgmii;
@@ -1519,6 +1530,7 @@ static struct phy_driver realtek_drvs[]
@@ -1518,6 +1529,7 @@ static struct phy_driver realtek_drvs[]
.match_phy_device = rtl_internal_nbaset_match_phy_device,
.name = "Realtek Internal NBASE-T PHY",
.flags = PHY_IS_INTERNAL,

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@ -15,7 +15,7 @@ Signed-off-by: Daniel Golle <daniel@makrotopia.org>
--- a/drivers/net/phy/realtek/realtek_main.c
+++ b/drivers/net/phy/realtek/realtek_main.c
@@ -1431,6 +1431,7 @@ static struct phy_driver realtek_drvs[]
@@ -1430,6 +1430,7 @@ static struct phy_driver realtek_drvs[]
}, {
.name = "RTL8226 2.5Gbps PHY",
.match_phy_device = rtl8226_match_phy_device,
@ -23,7 +23,7 @@ Signed-off-by: Daniel Golle <daniel@makrotopia.org>
.get_features = rtl822x_get_features,
.config_aneg = rtl822x_config_aneg,
.read_status = rtl822x_read_status,
@@ -1441,6 +1442,7 @@ static struct phy_driver realtek_drvs[]
@@ -1440,6 +1441,7 @@ static struct phy_driver realtek_drvs[]
}, {
.match_phy_device = rtl8221b_match_phy_device,
.name = "RTL8226B_RTL8221B 2.5Gbps PHY",
@ -31,7 +31,7 @@ Signed-off-by: Daniel Golle <daniel@makrotopia.org>
.get_features = rtl822x_get_features,
.config_aneg = rtl822x_config_aneg,
.config_init = rtl822xb_config_init,
@@ -1453,6 +1455,7 @@ static struct phy_driver realtek_drvs[]
@@ -1452,6 +1454,7 @@ static struct phy_driver realtek_drvs[]
}, {
PHY_ID_MATCH_EXACT(0x001cc838),
.name = "RTL8226-CG 2.5Gbps PHY",
@ -39,7 +39,7 @@ Signed-off-by: Daniel Golle <daniel@makrotopia.org>
.get_features = rtl822x_get_features,
.config_aneg = rtl822x_config_aneg,
.read_status = rtl822x_read_status,
@@ -1463,6 +1466,7 @@ static struct phy_driver realtek_drvs[]
@@ -1462,6 +1465,7 @@ static struct phy_driver realtek_drvs[]
}, {
PHY_ID_MATCH_EXACT(0x001cc848),
.name = "RTL8226B-CG_RTL8221B-CG 2.5Gbps PHY",
@ -47,7 +47,7 @@ Signed-off-by: Daniel Golle <daniel@makrotopia.org>
.get_features = rtl822x_get_features,
.config_aneg = rtl822x_config_aneg,
.config_init = rtl822xb_config_init,
@@ -1475,6 +1479,7 @@ static struct phy_driver realtek_drvs[]
@@ -1474,6 +1478,7 @@ static struct phy_driver realtek_drvs[]
}, {
.match_phy_device = rtl8221b_vb_cg_c22_match_phy_device,
.name = "RTL8221B-VB-CG 2.5Gbps PHY (C22)",
@ -55,7 +55,7 @@ Signed-off-by: Daniel Golle <daniel@makrotopia.org>
.get_features = rtl822x_get_features,
.config_aneg = rtl822x_config_aneg,
.config_init = rtl822xb_config_init,
@@ -1487,6 +1492,7 @@ static struct phy_driver realtek_drvs[]
@@ -1486,6 +1491,7 @@ static struct phy_driver realtek_drvs[]
}, {
.match_phy_device = rtl8221b_vb_cg_c45_match_phy_device,
.name = "RTL8221B-VB-CG 2.5Gbps PHY (C45)",
@ -63,7 +63,7 @@ Signed-off-by: Daniel Golle <daniel@makrotopia.org>
.config_init = rtl822xb_config_init,
.get_rate_matching = rtl822xb_get_rate_matching,
.get_features = rtl822x_c45_get_features,
@@ -1497,6 +1503,7 @@ static struct phy_driver realtek_drvs[]
@@ -1496,6 +1502,7 @@ static struct phy_driver realtek_drvs[]
}, {
.match_phy_device = rtl8221b_vn_cg_c22_match_phy_device,
.name = "RTL8221B-VM-CG 2.5Gbps PHY (C22)",
@ -71,7 +71,7 @@ Signed-off-by: Daniel Golle <daniel@makrotopia.org>
.get_features = rtl822x_get_features,
.config_aneg = rtl822x_config_aneg,
.config_init = rtl822xb_config_init,
@@ -1509,6 +1516,7 @@ static struct phy_driver realtek_drvs[]
@@ -1508,6 +1515,7 @@ static struct phy_driver realtek_drvs[]
}, {
.match_phy_device = rtl8221b_vn_cg_c45_match_phy_device,
.name = "RTL8221B-VN-CG 2.5Gbps PHY (C45)",

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@ -18,7 +18,7 @@ Signed-off-by: Daniel Golle <daniel@makrotopia.org>
--- a/drivers/net/phy/realtek/realtek_main.c
+++ b/drivers/net/phy/realtek/realtek_main.c
@@ -1112,9 +1112,11 @@ static bool rtlgen_supports_2_5gbps(stru
@@ -1111,9 +1111,11 @@ static bool rtlgen_supports_2_5gbps(stru
{
int val;

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@ -24,7 +24,7 @@ Signed-off-by: Daniel Golle <daniel@makrotopia.org>
#define RTL8366RB_POWER_SAVE 0x15
#define RTL8366RB_POWER_SAVE_ON BIT(12)
@@ -1208,6 +1212,25 @@ static int rtl8251b_c45_match_phy_device
@@ -1207,6 +1211,25 @@ static int rtl8251b_c45_match_phy_device
return rtlgen_is_c45_match(phydev, RTL_8251B, true);
}
@ -50,7 +50,7 @@ Signed-off-by: Daniel Golle <daniel@makrotopia.org>
static int rtlgen_resume(struct phy_device *phydev)
{
int ret = genphy_resume(phydev);
@@ -1479,6 +1502,7 @@ static struct phy_driver realtek_drvs[]
@@ -1478,6 +1501,7 @@ static struct phy_driver realtek_drvs[]
}, {
PHY_ID_MATCH_EXACT(0x001cc838),
.name = "RTL8226-CG 2.5Gbps PHY",
@ -58,7 +58,7 @@ Signed-off-by: Daniel Golle <daniel@makrotopia.org>
.soft_reset = genphy_soft_reset,
.get_features = rtl822x_get_features,
.config_aneg = rtl822x_config_aneg,
@@ -1490,6 +1514,7 @@ static struct phy_driver realtek_drvs[]
@@ -1489,6 +1513,7 @@ static struct phy_driver realtek_drvs[]
}, {
PHY_ID_MATCH_EXACT(0x001cc848),
.name = "RTL8226B-CG_RTL8221B-CG 2.5Gbps PHY",
@ -66,7 +66,7 @@ Signed-off-by: Daniel Golle <daniel@makrotopia.org>
.soft_reset = genphy_soft_reset,
.get_features = rtl822x_get_features,
.config_aneg = rtl822x_config_aneg,
@@ -1503,6 +1528,7 @@ static struct phy_driver realtek_drvs[]
@@ -1502,6 +1527,7 @@ static struct phy_driver realtek_drvs[]
}, {
.match_phy_device = rtl8221b_vb_cg_c22_match_phy_device,
.name = "RTL8221B-VB-CG 2.5Gbps PHY (C22)",
@ -74,7 +74,7 @@ Signed-off-by: Daniel Golle <daniel@makrotopia.org>
.soft_reset = genphy_soft_reset,
.get_features = rtl822x_get_features,
.config_aneg = rtl822x_config_aneg,
@@ -1516,6 +1542,7 @@ static struct phy_driver realtek_drvs[]
@@ -1515,6 +1541,7 @@ static struct phy_driver realtek_drvs[]
}, {
.match_phy_device = rtl8221b_vb_cg_c45_match_phy_device,
.name = "RTL8221B-VB-CG 2.5Gbps PHY (C45)",
@ -82,7 +82,7 @@ Signed-off-by: Daniel Golle <daniel@makrotopia.org>
.soft_reset = genphy_soft_reset,
.config_init = rtl822xb_config_init,
.get_rate_matching = rtl822xb_get_rate_matching,
@@ -1527,6 +1554,7 @@ static struct phy_driver realtek_drvs[]
@@ -1526,6 +1553,7 @@ static struct phy_driver realtek_drvs[]
}, {
.match_phy_device = rtl8221b_vn_cg_c22_match_phy_device,
.name = "RTL8221B-VM-CG 2.5Gbps PHY (C22)",
@ -90,7 +90,7 @@ Signed-off-by: Daniel Golle <daniel@makrotopia.org>
.soft_reset = genphy_soft_reset,
.get_features = rtl822x_get_features,
.config_aneg = rtl822x_config_aneg,
@@ -1540,6 +1568,7 @@ static struct phy_driver realtek_drvs[]
@@ -1539,6 +1567,7 @@ static struct phy_driver realtek_drvs[]
}, {
.match_phy_device = rtl8221b_vn_cg_c45_match_phy_device,
.name = "RTL8221B-VN-CG 2.5Gbps PHY (C45)",

View File

@ -14,7 +14,7 @@ Signed-off-by: Daniel Golle <daniel@makrotopia.org>
Signed-off-by: Mieczyslaw Nalewaj <namiltd@yahoo.com>
--- a/drivers/net/phy/realtek/realtek_main.c
+++ b/drivers/net/phy/realtek/realtek_main.c
@@ -1158,10 +1158,32 @@ static int rtl8226_match_phy_device(stru
@@ -1157,10 +1157,32 @@ static int rtl8226_match_phy_device(stru
static int rtlgen_is_c45_match(struct phy_device *phydev, unsigned int id,
bool is_c45)
{

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@ -12,7 +12,7 @@ Signed-off-by: Jianhui Zhao <zhaojh329@gmail.com>
--- a/drivers/net/phy/realtek/realtek_main.c
+++ b/drivers/net/phy/realtek/realtek_main.c
@@ -1388,6 +1388,51 @@ static irqreturn_t rtl9000a_handle_inter
@@ -1387,6 +1387,51 @@ static irqreturn_t rtl9000a_handle_inter
return IRQ_HANDLED;
}
@ -64,7 +64,7 @@ Signed-off-by: Jianhui Zhao <zhaojh329@gmail.com>
static struct phy_driver realtek_drvs[] = {
{
PHY_ID_MATCH_EXACT(0x00008201),
@@ -1550,6 +1595,8 @@ static struct phy_driver realtek_drvs[]
@@ -1549,6 +1594,8 @@ static struct phy_driver realtek_drvs[]
}, {
.match_phy_device = rtl8221b_vb_cg_c22_match_phy_device,
.name = "RTL8221B-VB-CG 2.5Gbps PHY (C22)",
@ -73,7 +73,7 @@ Signed-off-by: Jianhui Zhao <zhaojh329@gmail.com>
.probe = rtl822x_aldps_probe,
.soft_reset = genphy_soft_reset,
.get_features = rtl822x_get_features,
@@ -1564,6 +1611,8 @@ static struct phy_driver realtek_drvs[]
@@ -1563,6 +1610,8 @@ static struct phy_driver realtek_drvs[]
}, {
.match_phy_device = rtl8221b_vb_cg_c45_match_phy_device,
.name = "RTL8221B-VB-CG 2.5Gbps PHY (C45)",
@ -82,7 +82,7 @@ Signed-off-by: Jianhui Zhao <zhaojh329@gmail.com>
.probe = rtl822x_aldps_probe,
.soft_reset = genphy_soft_reset,
.config_init = rtl822xb_config_init,
@@ -1576,6 +1625,8 @@ static struct phy_driver realtek_drvs[]
@@ -1575,6 +1624,8 @@ static struct phy_driver realtek_drvs[]
}, {
.match_phy_device = rtl8221b_vn_cg_c22_match_phy_device,
.name = "RTL8221B-VM-CG 2.5Gbps PHY (C22)",
@ -91,7 +91,7 @@ Signed-off-by: Jianhui Zhao <zhaojh329@gmail.com>
.probe = rtl822x_aldps_probe,
.soft_reset = genphy_soft_reset,
.get_features = rtl822x_get_features,
@@ -1590,6 +1641,8 @@ static struct phy_driver realtek_drvs[]
@@ -1589,6 +1640,8 @@ static struct phy_driver realtek_drvs[]
}, {
.match_phy_device = rtl8221b_vn_cg_c45_match_phy_device,
.name = "RTL8221B-VN-CG 2.5Gbps PHY (C45)",

View File

@ -1,78 +0,0 @@
From patchwork Wed Jan 15 14:43:35 2025
Content-Type: text/plain; charset="utf-8"
MIME-Version: 1.0
Content-Transfer-Encoding: 7bit
X-Patchwork-Submitter: Daniel Golle <daniel@makrotopia.org>
X-Patchwork-Id: 13940510
X-Patchwork-Delegate: kuba@kernel.org
Date: Wed, 15 Jan 2025 14:43:35 +0000
From: Daniel Golle <daniel@makrotopia.org>
To: Andrew Lunn <andrew@lunn.ch>, Heiner Kallweit <hkallweit1@gmail.com>,
Russell King <linux@armlinux.org.uk>,
"David S. Miller" <davem@davemloft.net>,
Eric Dumazet <edumazet@google.com>,
Jakub Kicinski <kuba@kernel.org>, Paolo Abeni <pabeni@redhat.com>,
Daniel Golle <daniel@makrotopia.org>,
"Russell King (Oracle)" <linux@armlinux.org.uk>,
netdev@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: [PATCH net 1/3] net: phy: realtek: clear 1000Base-T lpa if link is
down
Message-ID:
<67e38eee4c46b921938fb33f5bc86c8979b9aa33.1736951652.git.daniel@makrotopia.org>
References: <cover.1736951652.git.daniel@makrotopia.org>
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X-Patchwork-Delegate: kuba@kernel.org
Only read 1000Base-T link partner advertisement if autonegotiation has
completed and otherwise 1000Base-T link partner advertisement bits.
This fixes bogus 1000Base-T link partner advertisement after link goes
down (eg. by disconnecting the wire).
Fixes: 5cb409b3960e ("net: phy: realtek: clear 1000Base-T link partner advertisement")
Signed-off-by: Daniel Golle <daniel@makrotopia.org>
Reviewed-by: Michal Swiatkowski <michal.swiatkowski@linux.intel.com>
---
drivers/net/phy/realtek/realtek_main.c | 19 ++++++++-----------
1 file changed, 8 insertions(+), 11 deletions(-)
--- a/drivers/net/phy/realtek/realtek_main.c
+++ b/drivers/net/phy/realtek/realtek_main.c
@@ -1068,23 +1068,20 @@ static int rtl822x_c45_read_status(struc
{
int ret, val;
- ret = genphy_c45_read_status(phydev);
- if (ret < 0)
- return ret;
-
- if (phydev->autoneg == AUTONEG_DISABLE ||
- !genphy_c45_aneg_done(phydev))
- mii_stat1000_mod_linkmode_lpa_t(phydev->lp_advertising, 0);
-
/* Vendor register as C45 has no standardized support for 1000BaseT */
- if (phydev->autoneg == AUTONEG_ENABLE) {
+ if (phydev->autoneg == AUTONEG_ENABLE && genphy_c45_aneg_done(phydev)) {
val = phy_read_mmd(phydev, MDIO_MMD_VEND2,
RTL822X_VND2_GANLPAR);
if (val < 0)
return val;
-
- mii_stat1000_mod_linkmode_lpa_t(phydev->lp_advertising, val);
+ } else {
+ val = 0;
}
+ mii_stat1000_mod_linkmode_lpa_t(phydev->lp_advertising, val);
+
+ ret = genphy_c45_read_status(phydev);
+ if (ret < 0)
+ return ret;
if (!phydev->link)
return 0;

View File

@ -1,61 +0,0 @@
From patchwork Wed Jan 15 14:43:43 2025
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X-Patchwork-Submitter: Daniel Golle <daniel@makrotopia.org>
X-Patchwork-Id: 13940511
X-Patchwork-Delegate: kuba@kernel.org
Date: Wed, 15 Jan 2025 14:43:43 +0000
From: Daniel Golle <daniel@makrotopia.org>
To: Andrew Lunn <andrew@lunn.ch>, Heiner Kallweit <hkallweit1@gmail.com>,
Russell King <linux@armlinux.org.uk>,
"David S. Miller" <davem@davemloft.net>,
Eric Dumazet <edumazet@google.com>,
Jakub Kicinski <kuba@kernel.org>, Paolo Abeni <pabeni@redhat.com>,
Daniel Golle <daniel@makrotopia.org>,
"Russell King (Oracle)" <linux@armlinux.org.uk>,
netdev@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: [PATCH net 2/3] net: phy: realtek: clear master_slave_state if link
is down
Message-ID:
<2155887c3a665e4132a034df1e9cfdeec0ae48c9.1736951652.git.daniel@makrotopia.org>
References: <cover.1736951652.git.daniel@makrotopia.org>
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X-Patchwork-Delegate: kuba@kernel.org
rtlgen_decode_physr() which sets master_slave_state isn't called in case
the link is down and other than rtlgen_read_status(),
rtl822x_c45_read_status() doesn't implicitely clear master_slave_state.
Avoid stale master_slave_state by always setting it to
MASTER_SLAVE_STATE_UNKNOWN in rtl822x_c45_read_status() in case the link
is down.
Fixes: 081c9c0265c9 ("net: phy: realtek: read duplex and gbit master from PHYSR register")
Signed-off-by: Daniel Golle <daniel@makrotopia.org>
Reviewed-by: Michal Swiatkowski <michal.swiatkowski@linux.intel.com>
---
drivers/net/phy/realtek/realtek_main.c | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)
--- a/drivers/net/phy/realtek/realtek_main.c
+++ b/drivers/net/phy/realtek/realtek_main.c
@@ -1083,8 +1083,10 @@ static int rtl822x_c45_read_status(struc
if (ret < 0)
return ret;
- if (!phydev->link)
+ if (!phydev->link) {
+ phydev->master_slave_state = MASTER_SLAVE_STATE_UNKNOWN;
return 0;
+ }
/* Read actual speed from vendor register. */
val = phy_read_mmd(phydev, MDIO_MMD_VEND2, RTL_VND2_PHYSR);

View File

@ -1,67 +0,0 @@
From patchwork Wed Jan 15 14:45:00 2025
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X-Patchwork-Submitter: Daniel Golle <daniel@makrotopia.org>
X-Patchwork-Id: 13940519
X-Patchwork-Delegate: kuba@kernel.org
Date: Wed, 15 Jan 2025 14:45:00 +0000
From: Daniel Golle <daniel@makrotopia.org>
To: Andrew Lunn <andrew@lunn.ch>, Heiner Kallweit <hkallweit1@gmail.com>,
Russell King <linux@armlinux.org.uk>,
"David S. Miller" <davem@davemloft.net>,
Eric Dumazet <edumazet@google.com>,
Jakub Kicinski <kuba@kernel.org>, Paolo Abeni <pabeni@redhat.com>,
Daniel Golle <daniel@makrotopia.org>,
"Russell King (Oracle)" <linux@armlinux.org.uk>,
netdev@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: [PATCH net 3/3] net: phy: realtek: always clear NBase-T lpa
Message-ID:
<566d4771d68a1e18d2d48860e25891e468e26551.1736951652.git.daniel@makrotopia.org>
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X-Patchwork-Delegate: kuba@kernel.org
Clear NBase-T link partner advertisement before calling
rtlgen_read_status() to avoid phy_resolve_aneg_linkmode() wrongly
setting speed and duplex.
This fixes bogus 2.5G/5G/10G link partner advertisement and thus
speed and duplex being set by phy_resolve_aneg_linkmode() due to stale
NBase-T lpa.
Fixes: 68d5cd09e891 ("net: phy: realtek: change order of calls in C22 read_status()")
Signed-off-by: Daniel Golle <daniel@makrotopia.org>
Reviewed-by: Michal Swiatkowski <michal.swiatkowski@linux.intel.com>
---
drivers/net/phy/realtek/realtek_main.c | 6 +++---
1 file changed, 3 insertions(+), 3 deletions(-)
--- a/drivers/net/phy/realtek/realtek_main.c
+++ b/drivers/net/phy/realtek/realtek_main.c
@@ -997,15 +997,15 @@ static int rtl822x_read_status(struct ph
{
int lpadv, ret;
+ mii_10gbt_stat_mod_linkmode_lpa_t(phydev->lp_advertising, 0);
+
ret = rtlgen_read_status(phydev);
if (ret < 0)
return ret;
if (phydev->autoneg == AUTONEG_DISABLE ||
- !phydev->autoneg_complete) {
- mii_10gbt_stat_mod_linkmode_lpa_t(phydev->lp_advertising, 0);
+ !phydev->autoneg_complete)
return 0;
- }
lpadv = phy_read_paged(phydev, 0xa5d, 0x13);
if (lpadv < 0)