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kernel: backport workaround for Realtek RTL8672 and RTL9601C chips

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Adds support for GPON SFP modules based on the Realtek RTL8672 and
RTL9601C chips, including but not limited to:
* V-SOL V2801F
* C-Data FD511GX-RM0
* OPTON GP801R
* BAUDCOM BD-1234-SFM
* CPGOS03-0490 v2.0
* Ubiquiti U-Fiber Instant
* EXOT EGS1

Signed-off-by: Vladimir Markovets <abam_a@yahoo.com>
(cherry picked from commit f032601ed7)
This commit is contained in:
Vladimir Markovets
2021-07-22 00:09:22 +02:00
committed by Hauke Mehrtens
parent 77ee281a3e
commit 6ced8cad8e
14 changed files with 392 additions and 37 deletions
Download Patch File Download Diff File Expand all files Collapse all files

12
target/linux/generic/pending-5.4/739-net-avoid-tx-fault-with-Nokia-GPON-module.patch
View File

@@ -39,7 +39,7 @@ Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk>
/* SFP module presence detection is poor: the three MOD DEF signals are
* the same length on the PCB, which means it's possible for MOD DEF 0 to
@@ -218,6 +228,7 @@ struct sfp {
@@ -219,6 +229,7 @@ struct sfp {
struct sfp_eeprom_id id;
unsigned int module_power_mW;
@@ -47,7 +47,7 @@ Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk>
#if IS_ENABLED(CONFIG_HWMON)
struct sfp_diag diag;
@@ -1655,6 +1666,12 @@ static int sfp_sm_mod_probe(struct sfp *
@@ -1742,6 +1753,12 @@ static int sfp_sm_mod_probe(struct sfp *
if (ret < 0)
return ret;
@@ -60,7 +60,7 @@ Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk>
return 0;
}
@@ -1860,11 +1877,12 @@ static void sfp_sm_main(struct sfp *sfp,
@@ -1947,11 +1964,12 @@ static void sfp_sm_main(struct sfp *sfp,
break;
if (sfp->state & SFP_F_TX_FAULT) {
@@ -77,7 +77,7 @@ Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk>
if (timeout > T_WAIT)
timeout -= T_WAIT;
else
@@ -1881,8 +1899,8 @@ static void sfp_sm_main(struct sfp *sfp,
@@ -1968,8 +1986,8 @@ static void sfp_sm_main(struct sfp *sfp,
case SFP_S_INIT:
if (event == SFP_E_TIMEOUT && sfp->state & SFP_F_TX_FAULT) {
@@ -88,7 +88,7 @@ Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk>
*/
sfp_sm_fault(sfp, SFP_S_INIT_TX_FAULT,
sfp->sm_retries == 5);
@@ -1901,7 +1919,7 @@ static void sfp_sm_main(struct sfp *sfp,
@@ -1988,7 +2006,7 @@ static void sfp_sm_main(struct sfp *sfp,
case SFP_S_INIT_TX_FAULT:
if (event == SFP_E_TIMEOUT) {
sfp_module_tx_fault_reset(sfp);
@@ -97,7 +97,7 @@ Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk>
}
break;
@@ -1925,7 +1943,7 @@ static void sfp_sm_main(struct sfp *sfp,
@@ -2012,7 +2030,7 @@ static void sfp_sm_main(struct sfp *sfp,
case SFP_S_TX_FAULT:
if (event == SFP_E_TIMEOUT) {
sfp_module_tx_fault_reset(sfp);

2
target/linux/generic/pending-5.4/740-net-sfp-remove-incomplete-100BASE-FX-and-100BASE-LX-.patch
View File

@@ -30,7 +30,7 @@ Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk>
if (phylink_test(link_modes, 1000baseX_Full))
--- a/drivers/net/phy/sfp.c
+++ b/drivers/net/phy/sfp.c
@@ -1489,18 +1489,7 @@ static void sfp_sm_fault(struct sfp *sfp
@@ -1505,18 +1505,7 @@ static void sfp_sm_fault(struct sfp *sfp
static void sfp_sm_probe_for_phy(struct sfp *sfp)
{

4
target/linux/generic/pending-5.4/742-net-sfp-add-more-extended-compliance-codes.patch
View File

@@ -132,7 +132,7 @@ Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk>
if (phylink_test(link_modes, 2500baseX_Full))
--- a/drivers/net/phy/sfp.c
+++ b/drivers/net/phy/sfp.c
@@ -242,7 +242,7 @@ struct sfp {
@@ -243,7 +243,7 @@ struct sfp {
static bool sff_module_supported(const struct sfp_eeprom_id *id)
{
@@ -141,7 +141,7 @@ Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk>
id->base.phys_ext_id == SFP_PHYS_EXT_ID_SFP;
}
@@ -253,7 +253,7 @@ static const struct sff_data sff_data =
@@ -254,7 +254,7 @@ static const struct sff_data sff_data =
static bool sfp_module_supported(const struct sfp_eeprom_id *id)
{

4
target/linux/generic/pending-5.4/743-net-sfp-add-module-start-stop-upstream-notifications.patch
View File

@@ -78,7 +78,7 @@ Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk>
[SFP_S_WAIT] = "wait",
[SFP_S_INIT] = "init",
[SFP_S_INIT_TX_FAULT] = "init_tx_fault",
@@ -1831,6 +1833,8 @@ static void sfp_sm_main(struct sfp *sfp,
@@ -1918,6 +1920,8 @@ static void sfp_sm_main(struct sfp *sfp,
if (sfp->sm_state == SFP_S_LINK_UP &&
sfp->sm_dev_state == SFP_DEV_UP)
sfp_sm_link_down(sfp);
@@ -87,7 +87,7 @@ Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk>
if (sfp->mod_phy)
sfp_sm_phy_detach(sfp);
sfp_module_tx_disable(sfp);
@@ -1898,6 +1902,10 @@ static void sfp_sm_main(struct sfp *sfp,
@@ -1985,6 +1989,10 @@ static void sfp_sm_main(struct sfp *sfp,
* clear. Probe for the PHY and check the LOS state.
*/
sfp_sm_probe_for_phy(sfp);

4
target/linux/generic/pending-5.4/744-net-sfp-move-phy_start-phy_stop-to-phylink.patch
View File

@@ -54,7 +54,7 @@ Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk>
.connect_phy = phylink_sfp_connect_phy,
--- a/drivers/net/phy/sfp.c
+++ b/drivers/net/phy/sfp.c
@@ -1396,7 +1396,6 @@ static void sfp_sm_mod_next(struct sfp *
@@ -1412,7 +1412,6 @@ static void sfp_sm_mod_next(struct sfp *
static void sfp_sm_phy_detach(struct sfp *sfp)
{
@@ -62,7 +62,7 @@ Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk>
sfp_remove_phy(sfp->sfp_bus);
phy_device_remove(sfp->mod_phy);
phy_device_free(sfp->mod_phy);
@@ -1427,7 +1426,6 @@ static void sfp_sm_probe_phy(struct sfp
@@ -1443,7 +1442,6 @@ static void sfp_sm_probe_phy(struct sfp
}
sfp->mod_phy = phy;

8
target/linux/generic/pending-5.4/753-net-sfp-add-support-for-Clause-45-PHYs.patch
View File

@@ -14,7 +14,7 @@ Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk>
--- a/drivers/net/phy/sfp.c
+++ b/drivers/net/phy/sfp.c
@@ -1402,12 +1402,12 @@ static void sfp_sm_phy_detach(struct sfp
@@ -1418,12 +1418,12 @@ static void sfp_sm_phy_detach(struct sfp
sfp->mod_phy = NULL;
}
@@ -29,7 +29,7 @@ Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk>
if (phy == ERR_PTR(-ENODEV)) {
dev_info(sfp->dev, "no PHY detected\n");
return;
@@ -1417,6 +1417,13 @@ static void sfp_sm_probe_phy(struct sfp
@@ -1433,6 +1433,13 @@ static void sfp_sm_probe_phy(struct sfp
return;
}
@@ -43,7 +43,7 @@ Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk>
err = sfp_add_phy(sfp->sfp_bus, phy);
if (err) {
phy_device_remove(phy);
@@ -1487,10 +1494,32 @@ static void sfp_sm_fault(struct sfp *sfp
@@ -1503,10 +1510,32 @@ static void sfp_sm_fault(struct sfp *sfp
}
}
@@ -78,7 +78,7 @@ Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk>
}
static int sfp_module_parse_power(struct sfp *sfp)
@@ -1550,6 +1579,13 @@ static int sfp_sm_mod_hpower(struct sfp
@@ -1566,6 +1595,13 @@ static int sfp_sm_mod_hpower(struct sfp
return -EAGAIN;
}

2
target/linux/generic/pending-5.4/754-net-sfp-fix-unbind.patch
View File

@@ -15,7 +15,7 @@ Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk>
--- a/drivers/net/phy/sfp.c
+++ b/drivers/net/phy/sfp.c
@@ -2344,6 +2344,10 @@ static int sfp_remove(struct platform_de
@@ -2431,6 +2431,10 @@ static int sfp_remove(struct platform_de
sfp_unregister_socket(sfp->sfp_bus);

4
target/linux/generic/pending-5.4/755-net-sfp-fix-hwmon.patch
View File

@@ -15,7 +15,7 @@ Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk>
--- a/drivers/net/phy/sfp.c
+++ b/drivers/net/phy/sfp.c
@@ -1796,6 +1796,10 @@ static void sfp_sm_module(struct sfp *sf
@@ -1883,6 +1883,10 @@ static void sfp_sm_module(struct sfp *sf
break;
}
@@ -26,7 +26,7 @@ Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk>
sfp_sm_mod_next(sfp, SFP_MOD_WAITDEV, 0);
/* fall through */
case SFP_MOD_WAITDEV:
@@ -1845,15 +1849,6 @@ static void sfp_sm_module(struct sfp *sf
@@ -1932,15 +1936,6 @@ static void sfp_sm_module(struct sfp *sf
case SFP_MOD_ERROR:
break;
}

6
target/linux/generic/pending-5.4/756-net-sfp-use-a-definition-for-the-fault-recovery-atte.patch
View File

@@ -26,7 +26,7 @@ Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk>
/* SFP module presence detection is poor: the three MOD DEF signals are
* the same length on the PCB, which means it's possible for MOD DEF 0 to
* connect before the I2C bus on MOD DEF 1/2.
@@ -1885,7 +1893,7 @@ static void sfp_sm_main(struct sfp *sfp,
@@ -1972,7 +1980,7 @@ static void sfp_sm_main(struct sfp *sfp,
sfp_module_tx_enable(sfp);
/* Initialise the fault clearance retries */
@@ -35,7 +35,7 @@ Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk>
/* We need to check the TX_FAULT state, which is not defined
* while TX_DISABLE is asserted. The earliest we want to do
@@ -1925,7 +1933,7 @@ static void sfp_sm_main(struct sfp *sfp,
@@ -2012,7 +2020,7 @@ static void sfp_sm_main(struct sfp *sfp,
* or t_start_up, so assume there is a fault.
*/
sfp_sm_fault(sfp, SFP_S_INIT_TX_FAULT,
@@ -44,7 +44,7 @@ Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk>
} else if (event == SFP_E_TIMEOUT || event == SFP_E_TX_CLEAR) {
init_done: /* TX_FAULT deasserted or we timed out with TX_FAULT
* clear. Probe for the PHY and check the LOS state.
@@ -1938,7 +1946,7 @@ static void sfp_sm_main(struct sfp *sfp,
@@ -2025,7 +2033,7 @@ static void sfp_sm_main(struct sfp *sfp,
sfp_sm_link_check_los(sfp);
/* Reset the fault retry count */

10
target/linux/generic/pending-5.4/757-net-sfp-rename-sm_retries.patch
View File

@@ -13,7 +13,7 @@ Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk>
--- a/drivers/net/phy/sfp.c
+++ b/drivers/net/phy/sfp.c
@@ -234,7 +234,7 @@ struct sfp {
@@ -235,7 +235,7 @@ struct sfp {
unsigned char sm_mod_tries;
unsigned char sm_dev_state;
unsigned short sm_state;
@@ -22,7 +22,7 @@ Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk>
struct sfp_eeprom_id id;
unsigned int module_power_mW;
@@ -1490,7 +1490,7 @@ static bool sfp_los_event_inactive(struc
@@ -1506,7 +1506,7 @@ static bool sfp_los_event_inactive(struc
static void sfp_sm_fault(struct sfp *sfp, unsigned int next_state, bool warn)
{
@@ -31,7 +31,7 @@ Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk>
dev_err(sfp->dev,
"module persistently indicates fault, disabling\n");
sfp_sm_next(sfp, SFP_S_TX_DISABLE, 0);
@@ -1893,7 +1893,7 @@ static void sfp_sm_main(struct sfp *sfp,
@@ -1980,7 +1980,7 @@ static void sfp_sm_main(struct sfp *sfp,
sfp_module_tx_enable(sfp);
/* Initialise the fault clearance retries */
@@ -40,7 +40,7 @@ Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk>
/* We need to check the TX_FAULT state, which is not defined
* while TX_DISABLE is asserted. The earliest we want to do
@@ -1933,7 +1933,7 @@ static void sfp_sm_main(struct sfp *sfp,
@@ -2020,7 +2020,7 @@ static void sfp_sm_main(struct sfp *sfp,
* or t_start_up, so assume there is a fault.
*/
sfp_sm_fault(sfp, SFP_S_INIT_TX_FAULT,
@@ -49,7 +49,7 @@ Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk>
} else if (event == SFP_E_TIMEOUT || event == SFP_E_TX_CLEAR) {
init_done: /* TX_FAULT deasserted or we timed out with TX_FAULT
* clear. Probe for the PHY and check the LOS state.
@@ -1946,7 +1946,7 @@ static void sfp_sm_main(struct sfp *sfp,
@@ -2033,7 +2033,7 @@ static void sfp_sm_main(struct sfp *sfp,
sfp_sm_link_check_los(sfp);
/* Reset the fault retry count */

10
target/linux/generic/pending-5.4/758-net-sfp-error-handling-for-phy-probe.patch
View File

@@ -10,7 +10,7 @@ Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk>
--- a/drivers/net/phy/sfp.c
+++ b/drivers/net/phy/sfp.c
@@ -1410,7 +1410,7 @@ static void sfp_sm_phy_detach(struct sfp
@@ -1426,7 +1426,7 @@ static void sfp_sm_phy_detach(struct sfp
sfp->mod_phy = NULL;
}
@@ -19,7 +19,7 @@ Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk>
{
struct phy_device *phy;
int err;
@@ -1418,18 +1418,18 @@ static void sfp_sm_probe_phy(struct sfp
@@ -1434,18 +1434,18 @@ static void sfp_sm_probe_phy(struct sfp
phy = get_phy_device(sfp->i2c_mii, SFP_PHY_ADDR, is_c45);
if (phy == ERR_PTR(-ENODEV)) {
dev_info(sfp->dev, "no PHY detected\n");
@@ -41,7 +41,7 @@ Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk>
}
err = sfp_add_phy(sfp->sfp_bus, phy);
@@ -1437,10 +1437,12 @@ static void sfp_sm_probe_phy(struct sfp
@@ -1453,10 +1453,12 @@ static void sfp_sm_probe_phy(struct sfp
phy_device_remove(phy);
phy_device_free(phy);
dev_err(sfp->dev, "sfp_add_phy failed: %d\n", err);
@@ -55,7 +55,7 @@ Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk>
}
static void sfp_sm_link_up(struct sfp *sfp)
@@ -1513,21 +1515,24 @@ static void sfp_sm_fault(struct sfp *sfp
@@ -1529,21 +1531,24 @@ static void sfp_sm_fault(struct sfp *sfp
* Clause 45 copper SFP+ modules (10G) appear to switch their interface
* mode according to the negotiated line speed.
*/
@@ -83,7 +83,7 @@ Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk>
}
static int sfp_module_parse_power(struct sfp *sfp)
@@ -1938,7 +1943,10 @@ static void sfp_sm_main(struct sfp *sfp,
@@ -2025,7 +2030,10 @@ static void sfp_sm_main(struct sfp *sfp,
init_done: /* TX_FAULT deasserted or we timed out with TX_FAULT
* clear. Probe for the PHY and check the LOS state.
*/

8
target/linux/generic/pending-5.4/759-net-sfp-re-attempt-probing-for-phy.patch
View File

@@ -48,7 +48,7 @@ Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk>
/* SFP module presence detection is poor: the three MOD DEF signals are
* the same length on the PCB, which means it's possible for MOD DEF 0 to
* connect before the I2C bus on MOD DEF 1/2.
@@ -235,6 +243,7 @@ struct sfp {
@@ -236,6 +244,7 @@ struct sfp {
unsigned char sm_dev_state;
unsigned short sm_state;
unsigned char sm_fault_retries;
@@ -56,7 +56,7 @@ Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk>
struct sfp_eeprom_id id;
unsigned int module_power_mW;
@@ -1416,10 +1425,8 @@ static int sfp_sm_probe_phy(struct sfp *
@@ -1432,10 +1441,8 @@ static int sfp_sm_probe_phy(struct sfp *
int err;
phy = get_phy_device(sfp->i2c_mii, SFP_PHY_ADDR, is_c45);
@@ -69,7 +69,7 @@ Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk>
if (IS_ERR(phy)) {
dev_err(sfp->dev, "mdiobus scan returned %ld\n", PTR_ERR(phy));
return PTR_ERR(phy);
@@ -1867,6 +1874,7 @@ static void sfp_sm_module(struct sfp *sf
@@ -1954,6 +1961,7 @@ static void sfp_sm_module(struct sfp *sf
static void sfp_sm_main(struct sfp *sfp, unsigned int event)
{
unsigned long timeout;
@@ -77,7 +77,7 @@ Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk>
/* Some events are global */
if (sfp->sm_state != SFP_S_DOWN &&
@@ -1940,22 +1948,39 @@ static void sfp_sm_main(struct sfp *sfp,
@@ -2027,22 +2035,39 @@ static void sfp_sm_main(struct sfp *sfp,
sfp_sm_fault(sfp, SFP_S_INIT_TX_FAULT,
sfp->sm_fault_retries == N_FAULT_INIT);
} else if (event == SFP_E_TIMEOUT || event == SFP_E_TX_CLEAR) {