From 6b63fcf8df85e2b2a18499a424e3bef0ef24e7d3 Mon Sep 17 00:00:00 2001 From: Christian Marangi Date: Wed, 16 Aug 2023 18:51:28 +0200 Subject: [PATCH] generic: 6.1: backport patch adding support for LED PHY Backport patch adding support for LED PHY directly in PHY ops struct. Add new PHYLIB_LEDS config and refresh patches. Signed-off-by: Christian Marangi --- ...fix-circular-LEDS_CLASS-dependencies.patch | 65 ++++ ...net-phy-Fix-reading-LED-reg-property.patch | 43 +++ ...emove-LEDs-to-ensure-correct-orderin.patch | 67 ++++ ...dev-Remove-NULL-check-before-dev_-pu.patch | 44 +++ ...dev-uninitialized-variable-in-netdev.patch | 31 ++ ...netdev-Fix-requesting-offload-device.patch | 57 +++ ...ce-Call-into-the-PHY-driver-to-set-L.patch | 149 ++++++++ ...Add-support-for-offloading-LED-blink.patch | 344 ++++++++++++++++++ ...-Disable-offload-on-deactivation-of-.patch | 31 ++ target/linux/generic/config-6.1 | 1 + .../700-swconfig_switch_drivers.patch | 2 +- 11 files changed, 833 insertions(+), 1 deletion(-) create mode 100644 target/linux/generic/backport-6.1/820-v6.4-net-phy-fix-circular-LEDS_CLASS-dependencies.patch create mode 100644 target/linux/generic/backport-6.1/821-v6.4-net-phy-Fix-reading-LED-reg-property.patch create mode 100644 target/linux/generic/backport-6.1/822-v6.4-net-phy-Manual-remove-LEDs-to-ensure-correct-orderin.patch create mode 100644 target/linux/generic/backport-6.1/824-v6.5-leds-trigger-netdev-Remove-NULL-check-before-dev_-pu.patch create mode 100644 target/linux/generic/backport-6.1/825-v6.5-leds-trigger-netdev-uninitialized-variable-in-netdev.patch create mode 100644 target/linux/generic/backport-6.1/826-v6.6-01-led-trig-netdev-Fix-requesting-offload-device.patch create mode 100644 target/linux/generic/backport-6.1/826-v6.6-02-net-phy-phy_device-Call-into-the-PHY-driver-to-set-L.patch create mode 100644 target/linux/generic/backport-6.1/826-v6.6-03-net-phy-marvell-Add-support-for-offloading-LED-blink.patch create mode 100644 target/linux/generic/backport-6.1/826-v6.6-04-leds-trig-netdev-Disable-offload-on-deactivation-of-.patch diff --git a/target/linux/generic/backport-6.1/820-v6.4-net-phy-fix-circular-LEDS_CLASS-dependencies.patch b/target/linux/generic/backport-6.1/820-v6.4-net-phy-fix-circular-LEDS_CLASS-dependencies.patch new file mode 100644 index 0000000000..09a84201b5 --- /dev/null +++ b/target/linux/generic/backport-6.1/820-v6.4-net-phy-fix-circular-LEDS_CLASS-dependencies.patch @@ -0,0 +1,65 @@ +From 4bb7aac70b5d8a4bddf4ee0791b834f9f56883d2 Mon Sep 17 00:00:00 2001 +From: Arnd Bergmann +Date: Thu, 20 Apr 2023 10:45:51 +0200 +Subject: [PATCH] net: phy: fix circular LEDS_CLASS dependencies + +The CONFIG_PHYLIB symbol is selected by a number of device drivers that +need PHY support, but it now has a dependency on CONFIG_LEDS_CLASS, +which may not be enabled, causing build failures. + +Avoid the risk of missing and circular dependencies by guarding the +phylib LED support itself in another Kconfig symbol that can only be +enabled if the dependency is met. + +This could be made a hidden symbol and always enabled when both CONFIG_OF +and CONFIG_LEDS_CLASS are reachable from the phylib, but there may be an +advantage in having users see this option when they have a misconfigured +kernel without built-in LED support. + +Fixes: 01e5b728e9e4 ("net: phy: Add a binding for PHY LEDs") +Signed-off-by: Arnd Bergmann +Reviewed-by: Andrew Lunn +Link: https://lore.kernel.org/r/20230420084624.3005701-1-arnd@kernel.org +Signed-off-by: Jakub Kicinski +--- + drivers/net/phy/Kconfig | 9 ++++++++- + drivers/net/phy/phy_device.c | 3 ++- + 2 files changed, 10 insertions(+), 2 deletions(-) + +--- a/drivers/net/phy/Kconfig ++++ b/drivers/net/phy/Kconfig +@@ -18,7 +18,6 @@ menuconfig PHYLIB + depends on NETDEVICES + select MDIO_DEVICE + select MDIO_DEVRES +- depends on LEDS_CLASS || LEDS_CLASS=n + help + Ethernet controllers are usually attached to PHY + devices. This option provides infrastructure for +@@ -45,6 +44,14 @@ config LED_TRIGGER_PHY + Mbps OR Gbps OR link + for any speed known to the PHY. + ++config PHYLIB_LEDS ++ bool "Support probing LEDs from device tree" ++ depends on LEDS_CLASS=y || LEDS_CLASS=PHYLIB ++ depends on OF ++ default y ++ help ++ When LED class support is enabled, phylib can automatically ++ probe LED setting from device tree. + + config FIXED_PHY + tristate "MDIO Bus/PHY emulation with fixed speed/link PHYs" +--- a/drivers/net/phy/phy_device.c ++++ b/drivers/net/phy/phy_device.c +@@ -3208,7 +3208,8 @@ static int phy_probe(struct device *dev) + /* Get the LEDs from the device tree, and instantiate standard + * LEDs for them. + */ +- err = of_phy_leds(phydev); ++ if (IS_ENABLED(CONFIG_PHYLIB_LEDS)) ++ err = of_phy_leds(phydev); + + out: + /* Re-assert the reset signal on error */ diff --git a/target/linux/generic/backport-6.1/821-v6.4-net-phy-Fix-reading-LED-reg-property.patch b/target/linux/generic/backport-6.1/821-v6.4-net-phy-Fix-reading-LED-reg-property.patch new file mode 100644 index 0000000000..d6081d0e63 --- /dev/null +++ b/target/linux/generic/backport-6.1/821-v6.4-net-phy-Fix-reading-LED-reg-property.patch @@ -0,0 +1,43 @@ +From aed8fdad2152d946add50bec00a6b07c457bdcdf Mon Sep 17 00:00:00 2001 +From: Alexander Stein +Date: Mon, 24 Apr 2023 16:16:48 +0200 +Subject: [PATCH] net: phy: Fix reading LED reg property + +'reg' is always encoded in 32 bits, thus it has to be read using the +function with the corresponding bit width. + +Fixes: 01e5b728e9e4 ("net: phy: Add a binding for PHY LEDs") +Signed-off-by: Alexander Stein +Reviewed-by: Andrew Lunn +Reviewed-by: Florian Fainelli +Link: https://lore.kernel.org/r/20230424141648.317944-1-alexander.stein@ew.tq-group.com +Signed-off-by: Jakub Kicinski +--- + drivers/net/phy/phy_device.c | 6 +++++- + 1 file changed, 5 insertions(+), 1 deletion(-) + +--- a/drivers/net/phy/phy_device.c ++++ b/drivers/net/phy/phy_device.c +@@ -2971,6 +2971,7 @@ static int of_phy_led(struct phy_device + struct led_init_data init_data = {}; + struct led_classdev *cdev; + struct phy_led *phyled; ++ u32 index; + int err; + + phyled = devm_kzalloc(dev, sizeof(*phyled), GFP_KERNEL); +@@ -2980,10 +2981,13 @@ static int of_phy_led(struct phy_device + cdev = &phyled->led_cdev; + phyled->phydev = phydev; + +- err = of_property_read_u8(led, "reg", &phyled->index); ++ err = of_property_read_u32(led, "reg", &index); + if (err) + return err; ++ if (index > U8_MAX) ++ return -EINVAL; + ++ phyled->index = index; + if (phydev->drv->led_brightness_set) + cdev->brightness_set_blocking = phy_led_set_brightness; + if (phydev->drv->led_blink_set) diff --git a/target/linux/generic/backport-6.1/822-v6.4-net-phy-Manual-remove-LEDs-to-ensure-correct-orderin.patch b/target/linux/generic/backport-6.1/822-v6.4-net-phy-Manual-remove-LEDs-to-ensure-correct-orderin.patch new file mode 100644 index 0000000000..04939deb6e --- /dev/null +++ b/target/linux/generic/backport-6.1/822-v6.4-net-phy-Manual-remove-LEDs-to-ensure-correct-orderin.patch @@ -0,0 +1,67 @@ +From c938ab4da0eb1620ae3243b0b24c572ddfc318fc Mon Sep 17 00:00:00 2001 +From: Andrew Lunn +Date: Sat, 17 Jun 2023 17:55:00 +0200 +Subject: [PATCH] net: phy: Manual remove LEDs to ensure correct ordering + +If the core is left to remove the LEDs via devm_, it is performed too +late, after the PHY driver is removed from the PHY. This results in +dereferencing a NULL pointer when the LED core tries to turn the LED +off before destroying the LED. + +Manually unregister the LEDs at a safe point in phy_remove. + +Cc: stable@vger.kernel.org +Reported-by: Florian Fainelli +Suggested-by: Florian Fainelli +Fixes: 01e5b728e9e4 ("net: phy: Add a binding for PHY LEDs") +Signed-off-by: Andrew Lunn +Signed-off-by: David S. Miller +--- + drivers/net/phy/phy_device.c | 15 ++++++++++++++- + 1 file changed, 14 insertions(+), 1 deletion(-) + +--- a/drivers/net/phy/phy_device.c ++++ b/drivers/net/phy/phy_device.c +@@ -2964,6 +2964,15 @@ static int phy_led_blink_set(struct led_ + return err; + } + ++static void phy_leds_unregister(struct phy_device *phydev) ++{ ++ struct phy_led *phyled; ++ ++ list_for_each_entry(phyled, &phydev->leds, list) { ++ led_classdev_unregister(&phyled->led_cdev); ++ } ++} ++ + static int of_phy_led(struct phy_device *phydev, + struct device_node *led) + { +@@ -2997,7 +3006,7 @@ static int of_phy_led(struct phy_device + init_data.fwnode = of_fwnode_handle(led); + init_data.devname_mandatory = true; + +- err = devm_led_classdev_register_ext(dev, cdev, &init_data); ++ err = led_classdev_register_ext(dev, cdev, &init_data); + if (err) + return err; + +@@ -3026,6 +3035,7 @@ static int of_phy_leds(struct phy_device + err = of_phy_led(phydev, led); + if (err) { + of_node_put(led); ++ phy_leds_unregister(phydev); + return err; + } + } +@@ -3229,6 +3239,9 @@ static int phy_remove(struct device *dev + + cancel_delayed_work_sync(&phydev->state_queue); + ++ if (IS_ENABLED(CONFIG_PHYLIB_LEDS)) ++ phy_leds_unregister(phydev); ++ + phydev->state = PHY_DOWN; + + sfp_bus_del_upstream(phydev->sfp_bus); diff --git a/target/linux/generic/backport-6.1/824-v6.5-leds-trigger-netdev-Remove-NULL-check-before-dev_-pu.patch b/target/linux/generic/backport-6.1/824-v6.5-leds-trigger-netdev-Remove-NULL-check-before-dev_-pu.patch new file mode 100644 index 0000000000..609115b04a --- /dev/null +++ b/target/linux/generic/backport-6.1/824-v6.5-leds-trigger-netdev-Remove-NULL-check-before-dev_-pu.patch @@ -0,0 +1,44 @@ +From af7320ecae0ce646fd2c4a88341a3fbc243553da Mon Sep 17 00:00:00 2001 +From: Yang Li +Date: Thu, 11 May 2023 15:08:20 +0800 +Subject: [PATCH] leds: trigger: netdev: Remove NULL check before dev_{put, + hold} + +The call netdev_{put, hold} of dev_{put, hold} will check NULL, +so there is no need to check before using dev_{put, hold}, +remove it to silence the warnings: + +./drivers/leds/trigger/ledtrig-netdev.c:291:3-10: WARNING: NULL check before dev_{put, hold} functions is not needed. +./drivers/leds/trigger/ledtrig-netdev.c:401:2-9: WARNING: NULL check before dev_{put, hold} functions is not needed. + +Reported-by: Abaci Robot +Closes: https://bugzilla.openanolis.cn/show_bug.cgi?id=4929 +Signed-off-by: Yang Li +Link: https://lore.kernel.org/r/20230511070820.52731-1-yang.lee@linux.alibaba.com +Signed-off-by: Lee Jones +--- + drivers/leds/trigger/ledtrig-netdev.c | 6 ++---- + 1 file changed, 2 insertions(+), 4 deletions(-) + +--- a/drivers/leds/trigger/ledtrig-netdev.c ++++ b/drivers/leds/trigger/ledtrig-netdev.c +@@ -462,8 +462,7 @@ static int netdev_trig_notify(struct not + get_device_state(trigger_data); + fallthrough; + case NETDEV_REGISTER: +- if (trigger_data->net_dev) +- dev_put(trigger_data->net_dev); ++ dev_put(trigger_data->net_dev); + dev_hold(dev); + trigger_data->net_dev = dev; + break; +@@ -594,8 +593,7 @@ static void netdev_trig_deactivate(struc + + cancel_delayed_work_sync(&trigger_data->work); + +- if (trigger_data->net_dev) +- dev_put(trigger_data->net_dev); ++ dev_put(trigger_data->net_dev); + + kfree(trigger_data); + } diff --git a/target/linux/generic/backport-6.1/825-v6.5-leds-trigger-netdev-uninitialized-variable-in-netdev.patch b/target/linux/generic/backport-6.1/825-v6.5-leds-trigger-netdev-uninitialized-variable-in-netdev.patch new file mode 100644 index 0000000000..2f7a6ced90 --- /dev/null +++ b/target/linux/generic/backport-6.1/825-v6.5-leds-trigger-netdev-uninitialized-variable-in-netdev.patch @@ -0,0 +1,31 @@ +From 97c5209b3d374a25ebdb4c2ea9e9c1b121768da0 Mon Sep 17 00:00:00 2001 +From: Dan Carpenter +Date: Wed, 14 Jun 2023 10:03:59 +0300 +Subject: [PATCH] leds: trigger: netdev: uninitialized variable in + netdev_trig_activate() + +The qca8k_cled_hw_control_get() function which implements ->hw_control_get +sets the appropriate bits but does not clear them. This leads to an +uninitialized variable bug. Fix this by setting mode to zero at the +start. + +Fixes: e0256648c831 ("net: dsa: qca8k: implement hw_control ops") +Signed-off-by: Dan Carpenter +Reviewed-by: Andrew Lunn +Acked-by: Lee Jones +Signed-off-by: David S. Miller +--- + drivers/leds/trigger/ledtrig-netdev.c | 2 +- + 1 file changed, 1 insertion(+), 1 deletion(-) + +--- a/drivers/leds/trigger/ledtrig-netdev.c ++++ b/drivers/leds/trigger/ledtrig-netdev.c +@@ -538,7 +538,7 @@ static void netdev_trig_work(struct work + static int netdev_trig_activate(struct led_classdev *led_cdev) + { + struct led_netdev_data *trigger_data; +- unsigned long mode; ++ unsigned long mode = 0; + struct device *dev; + int rc; + diff --git a/target/linux/generic/backport-6.1/826-v6.6-01-led-trig-netdev-Fix-requesting-offload-device.patch b/target/linux/generic/backport-6.1/826-v6.6-01-led-trig-netdev-Fix-requesting-offload-device.patch new file mode 100644 index 0000000000..dedf84c64b --- /dev/null +++ b/target/linux/generic/backport-6.1/826-v6.6-01-led-trig-netdev-Fix-requesting-offload-device.patch @@ -0,0 +1,57 @@ +From 7df1f14c04cbb1950e79c19793420f87227c3e80 Mon Sep 17 00:00:00 2001 +From: Andrew Lunn +Date: Tue, 8 Aug 2023 23:04:33 +0200 +Subject: [PATCH 1/4] led: trig: netdev: Fix requesting offload device + +When the netdev trigger is activates, it tries to determine what +device the LED blinks for, and what the current blink mode is. + +The documentation for hw_control_get() says: + + * Return 0 on success, a negative error number on failing parsing the + * initial mode. Error from this function is NOT FATAL as the device + * may be in a not supported initial state by the attached LED trigger. + */ + +For the Marvell PHY and the Armada 370-rd board, the initial LED blink +mode is not supported by the trigger, so it returns an error. This +resulted in not getting the device the LED is blinking for. As a +result, the device is unknown and offloaded is never performed. + +Change to condition to always get the device if offloading is +supported, and reduce the scope of testing for an error from +hw_control_get() to skip setting trigger internal state if there is an +error. + +Reviewed-by: Simon Horman +Signed-off-by: Andrew Lunn +Tested-by: Daniel Golle +Link: https://lore.kernel.org/r/20230808210436.838995-2-andrew@lunn.ch +Signed-off-by: Jakub Kicinski +--- + drivers/leds/trigger/ledtrig-netdev.c | 8 +++++--- + 1 file changed, 5 insertions(+), 3 deletions(-) + +--- a/drivers/leds/trigger/ledtrig-netdev.c ++++ b/drivers/leds/trigger/ledtrig-netdev.c +@@ -564,15 +564,17 @@ static int netdev_trig_activate(struct l + /* Check if hw control is active by default on the LED. + * Init already enabled mode in hw control. + */ +- if (supports_hw_control(led_cdev) && +- !led_cdev->hw_control_get(led_cdev, &mode)) { ++ if (supports_hw_control(led_cdev)) { + dev = led_cdev->hw_control_get_device(led_cdev); + if (dev) { + const char *name = dev_name(dev); + + set_device_name(trigger_data, name, strlen(name)); + trigger_data->hw_control = true; +- trigger_data->mode = mode; ++ ++ rc = led_cdev->hw_control_get(led_cdev, &mode); ++ if (!rc) ++ trigger_data->mode = mode; + } + } + diff --git a/target/linux/generic/backport-6.1/826-v6.6-02-net-phy-phy_device-Call-into-the-PHY-driver-to-set-L.patch b/target/linux/generic/backport-6.1/826-v6.6-02-net-phy-phy_device-Call-into-the-PHY-driver-to-set-L.patch new file mode 100644 index 0000000000..6cd798fc5d --- /dev/null +++ b/target/linux/generic/backport-6.1/826-v6.6-02-net-phy-phy_device-Call-into-the-PHY-driver-to-set-L.patch @@ -0,0 +1,149 @@ +From 1dcc03c9a7a824a31eaaecdfaa03542fb25feb6c Mon Sep 17 00:00:00 2001 +From: Andrew Lunn +Date: Tue, 8 Aug 2023 23:04:34 +0200 +Subject: [PATCH 2/4] net: phy: phy_device: Call into the PHY driver to set LED + offload + +Linux LEDs can be requested to perform hardware accelerated blinking +to indicate link, RX, TX etc. Pass the rules for blinking to the PHY +driver, if it implements the ops needed to determine if a given +pattern can be offloaded, to offload it, and what the current offload +is. Additionally implement the op needed to get what device the LED is +for. + +Reviewed-by: Simon Horman +Signed-off-by: Andrew Lunn +Tested-by: Daniel Golle +Link: https://lore.kernel.org/r/20230808210436.838995-3-andrew@lunn.ch +Signed-off-by: Jakub Kicinski +--- + drivers/net/phy/phy_device.c | 68 ++++++++++++++++++++++++++++++++++++ + include/linux/phy.h | 33 +++++++++++++++++ + 2 files changed, 101 insertions(+) + +--- a/drivers/net/phy/phy_device.c ++++ b/drivers/net/phy/phy_device.c +@@ -2964,6 +2964,61 @@ static int phy_led_blink_set(struct led_ + return err; + } + ++static __maybe_unused struct device * ++phy_led_hw_control_get_device(struct led_classdev *led_cdev) ++{ ++ struct phy_led *phyled = to_phy_led(led_cdev); ++ struct phy_device *phydev = phyled->phydev; ++ ++ if (phydev->attached_dev) ++ return &phydev->attached_dev->dev; ++ return NULL; ++} ++ ++static int __maybe_unused ++phy_led_hw_control_get(struct led_classdev *led_cdev, ++ unsigned long *rules) ++{ ++ struct phy_led *phyled = to_phy_led(led_cdev); ++ struct phy_device *phydev = phyled->phydev; ++ int err; ++ ++ mutex_lock(&phydev->lock); ++ err = phydev->drv->led_hw_control_get(phydev, phyled->index, rules); ++ mutex_unlock(&phydev->lock); ++ ++ return err; ++} ++ ++static int __maybe_unused ++phy_led_hw_control_set(struct led_classdev *led_cdev, ++ unsigned long rules) ++{ ++ struct phy_led *phyled = to_phy_led(led_cdev); ++ struct phy_device *phydev = phyled->phydev; ++ int err; ++ ++ mutex_lock(&phydev->lock); ++ err = phydev->drv->led_hw_control_set(phydev, phyled->index, rules); ++ mutex_unlock(&phydev->lock); ++ ++ return err; ++} ++ ++static __maybe_unused int phy_led_hw_is_supported(struct led_classdev *led_cdev, ++ unsigned long rules) ++{ ++ struct phy_led *phyled = to_phy_led(led_cdev); ++ struct phy_device *phydev = phyled->phydev; ++ int err; ++ ++ mutex_lock(&phydev->lock); ++ err = phydev->drv->led_hw_is_supported(phydev, phyled->index, rules); ++ mutex_unlock(&phydev->lock); ++ ++ return err; ++} ++ + static void phy_leds_unregister(struct phy_device *phydev) + { + struct phy_led *phyled; +@@ -3001,6 +3056,19 @@ static int of_phy_led(struct phy_device + cdev->brightness_set_blocking = phy_led_set_brightness; + if (phydev->drv->led_blink_set) + cdev->blink_set = phy_led_blink_set; ++ ++#ifdef CONFIG_LEDS_TRIGGERS ++ if (phydev->drv->led_hw_is_supported && ++ phydev->drv->led_hw_control_set && ++ phydev->drv->led_hw_control_get) { ++ cdev->hw_control_is_supported = phy_led_hw_is_supported; ++ cdev->hw_control_set = phy_led_hw_control_set; ++ cdev->hw_control_get = phy_led_hw_control_get; ++ cdev->hw_control_trigger = "netdev"; ++ } ++ ++ cdev->hw_control_get_device = phy_led_hw_control_get_device; ++#endif + cdev->max_brightness = 1; + init_data.devicename = dev_name(&phydev->mdio.dev); + init_data.fwnode = of_fwnode_handle(led); +--- a/include/linux/phy.h ++++ b/include/linux/phy.h +@@ -1013,6 +1013,39 @@ struct phy_driver { + int (*led_blink_set)(struct phy_device *dev, u8 index, + unsigned long *delay_on, + unsigned long *delay_off); ++ /** ++ * @led_hw_is_supported: Can the HW support the given rules. ++ * @dev: PHY device which has the LED ++ * @index: Which LED of the PHY device ++ * @rules The core is interested in these rules ++ * ++ * Return 0 if yes, -EOPNOTSUPP if not, or an error code. ++ */ ++ int (*led_hw_is_supported)(struct phy_device *dev, u8 index, ++ unsigned long rules); ++ /** ++ * @led_hw_control_set: Set the HW to control the LED ++ * @dev: PHY device which has the LED ++ * @index: Which LED of the PHY device ++ * @rules The rules used to control the LED ++ * ++ * Returns 0, or a an error code. ++ */ ++ int (*led_hw_control_set)(struct phy_device *dev, u8 index, ++ unsigned long rules); ++ /** ++ * @led_hw_control_get: Get how the HW is controlling the LED ++ * @dev: PHY device which has the LED ++ * @index: Which LED of the PHY device ++ * @rules Pointer to the rules used to control the LED ++ * ++ * Set *@rules to how the HW is currently blinking. Returns 0 ++ * on success, or a error code if the current blinking cannot ++ * be represented in rules, or some other error happens. ++ */ ++ int (*led_hw_control_get)(struct phy_device *dev, u8 index, ++ unsigned long *rules); ++ + }; + #define to_phy_driver(d) container_of(to_mdio_common_driver(d), \ + struct phy_driver, mdiodrv) diff --git a/target/linux/generic/backport-6.1/826-v6.6-03-net-phy-marvell-Add-support-for-offloading-LED-blink.patch b/target/linux/generic/backport-6.1/826-v6.6-03-net-phy-marvell-Add-support-for-offloading-LED-blink.patch new file mode 100644 index 0000000000..1300583b66 --- /dev/null +++ b/target/linux/generic/backport-6.1/826-v6.6-03-net-phy-marvell-Add-support-for-offloading-LED-blink.patch @@ -0,0 +1,344 @@ +From 460b0b648fab24f576c481424e0de5479ffb9786 Mon Sep 17 00:00:00 2001 +From: Andrew Lunn +Date: Tue, 8 Aug 2023 23:04:35 +0200 +Subject: [PATCH 3/4] net: phy: marvell: Add support for offloading LED + blinking + +Add the code needed to indicate if a given blinking pattern can be +offloaded, to offload a pattern and to try to return the current +pattern. + +Reviewed-by: Simon Horman +Signed-off-by: Andrew Lunn +Tested-by: Daniel Golle +Link: https://lore.kernel.org/r/20230808210436.838995-4-andrew@lunn.ch +Signed-off-by: Jakub Kicinski +--- + drivers/net/phy/marvell.c | 281 ++++++++++++++++++++++++++++++++++++++ + 1 file changed, 281 insertions(+) + +--- a/drivers/net/phy/marvell.c ++++ b/drivers/net/phy/marvell.c +@@ -2893,6 +2893,272 @@ static int m88e1318_led_blink_set(struct + MII_88E1318S_PHY_LED_FUNC, reg); + } + ++struct marvell_led_rules { ++ int mode; ++ unsigned long rules; ++}; ++ ++static const struct marvell_led_rules marvell_led0[] = { ++ { ++ .mode = 0, ++ .rules = BIT(TRIGGER_NETDEV_LINK), ++ }, ++ { ++ .mode = 1, ++ .rules = (BIT(TRIGGER_NETDEV_LINK) | ++ BIT(TRIGGER_NETDEV_RX) | ++ BIT(TRIGGER_NETDEV_TX)), ++ }, ++ { ++ .mode = 3, ++ .rules = (BIT(TRIGGER_NETDEV_RX) | ++ BIT(TRIGGER_NETDEV_TX)), ++ }, ++ { ++ .mode = 4, ++ .rules = (BIT(TRIGGER_NETDEV_RX) | ++ BIT(TRIGGER_NETDEV_TX)), ++ }, ++ { ++ .mode = 5, ++ .rules = BIT(TRIGGER_NETDEV_TX), ++ }, ++ { ++ .mode = 6, ++ .rules = BIT(TRIGGER_NETDEV_LINK), ++ }, ++ { ++ .mode = 7, ++ .rules = BIT(TRIGGER_NETDEV_LINK_1000), ++ }, ++ { ++ .mode = 8, ++ .rules = 0, ++ }, ++}; ++ ++static const struct marvell_led_rules marvell_led1[] = { ++ { ++ .mode = 1, ++ .rules = (BIT(TRIGGER_NETDEV_LINK) | ++ BIT(TRIGGER_NETDEV_RX) | ++ BIT(TRIGGER_NETDEV_TX)), ++ }, ++ { ++ .mode = 2, ++ .rules = (BIT(TRIGGER_NETDEV_LINK) | ++ BIT(TRIGGER_NETDEV_RX)), ++ }, ++ { ++ .mode = 3, ++ .rules = (BIT(TRIGGER_NETDEV_RX) | ++ BIT(TRIGGER_NETDEV_TX)), ++ }, ++ { ++ .mode = 4, ++ .rules = (BIT(TRIGGER_NETDEV_RX) | ++ BIT(TRIGGER_NETDEV_TX)), ++ }, ++ { ++ .mode = 6, ++ .rules = (BIT(TRIGGER_NETDEV_LINK_100) | ++ BIT(TRIGGER_NETDEV_LINK_1000)), ++ }, ++ { ++ .mode = 7, ++ .rules = BIT(TRIGGER_NETDEV_LINK_100), ++ }, ++ { ++ .mode = 8, ++ .rules = 0, ++ }, ++}; ++ ++static const struct marvell_led_rules marvell_led2[] = { ++ { ++ .mode = 0, ++ .rules = BIT(TRIGGER_NETDEV_LINK), ++ }, ++ { ++ .mode = 1, ++ .rules = (BIT(TRIGGER_NETDEV_LINK) | ++ BIT(TRIGGER_NETDEV_RX) | ++ BIT(TRIGGER_NETDEV_TX)), ++ }, ++ { ++ .mode = 3, ++ .rules = (BIT(TRIGGER_NETDEV_RX) | ++ BIT(TRIGGER_NETDEV_TX)), ++ }, ++ { ++ .mode = 4, ++ .rules = (BIT(TRIGGER_NETDEV_RX) | ++ BIT(TRIGGER_NETDEV_TX)), ++ }, ++ { ++ .mode = 5, ++ .rules = BIT(TRIGGER_NETDEV_TX), ++ }, ++ { ++ .mode = 6, ++ .rules = (BIT(TRIGGER_NETDEV_LINK_10) | ++ BIT(TRIGGER_NETDEV_LINK_1000)), ++ }, ++ { ++ .mode = 7, ++ .rules = BIT(TRIGGER_NETDEV_LINK_10), ++ }, ++ { ++ .mode = 8, ++ .rules = 0, ++ }, ++}; ++ ++static int marvell_find_led_mode(unsigned long rules, ++ const struct marvell_led_rules *marvell_rules, ++ int count, ++ int *mode) ++{ ++ int i; ++ ++ for (i = 0; i < count; i++) { ++ if (marvell_rules[i].rules == rules) { ++ *mode = marvell_rules[i].mode; ++ return 0; ++ } ++ } ++ return -EOPNOTSUPP; ++} ++ ++static int marvell_get_led_mode(u8 index, unsigned long rules, int *mode) ++{ ++ int ret; ++ ++ switch (index) { ++ case 0: ++ ret = marvell_find_led_mode(rules, marvell_led0, ++ ARRAY_SIZE(marvell_led0), mode); ++ break; ++ case 1: ++ ret = marvell_find_led_mode(rules, marvell_led1, ++ ARRAY_SIZE(marvell_led1), mode); ++ break; ++ case 2: ++ ret = marvell_find_led_mode(rules, marvell_led2, ++ ARRAY_SIZE(marvell_led2), mode); ++ break; ++ default: ++ ret = -EINVAL; ++ } ++ ++ return ret; ++} ++ ++static int marvell_find_led_rules(unsigned long *rules, ++ const struct marvell_led_rules *marvell_rules, ++ int count, ++ int mode) ++{ ++ int i; ++ ++ for (i = 0; i < count; i++) { ++ if (marvell_rules[i].mode == mode) { ++ *rules = marvell_rules[i].rules; ++ return 0; ++ } ++ } ++ return -EOPNOTSUPP; ++} ++ ++static int marvell_get_led_rules(u8 index, unsigned long *rules, int mode) ++{ ++ int ret; ++ ++ switch (index) { ++ case 0: ++ ret = marvell_find_led_rules(rules, marvell_led0, ++ ARRAY_SIZE(marvell_led0), mode); ++ break; ++ case 1: ++ ret = marvell_find_led_rules(rules, marvell_led1, ++ ARRAY_SIZE(marvell_led1), mode); ++ break; ++ case 2: ++ ret = marvell_find_led_rules(rules, marvell_led2, ++ ARRAY_SIZE(marvell_led2), mode); ++ break; ++ default: ++ ret = -EOPNOTSUPP; ++ } ++ ++ return ret; ++} ++ ++static int m88e1318_led_hw_is_supported(struct phy_device *phydev, u8 index, ++ unsigned long rules) ++{ ++ int mode, ret; ++ ++ switch (index) { ++ case 0: ++ case 1: ++ case 2: ++ ret = marvell_get_led_mode(index, rules, &mode); ++ break; ++ default: ++ ret = -EINVAL; ++ } ++ ++ return ret; ++} ++ ++static int m88e1318_led_hw_control_set(struct phy_device *phydev, u8 index, ++ unsigned long rules) ++{ ++ int mode, ret, reg; ++ ++ switch (index) { ++ case 0: ++ case 1: ++ case 2: ++ ret = marvell_get_led_mode(index, rules, &mode); ++ break; ++ default: ++ ret = -EINVAL; ++ } ++ ++ if (ret < 0) ++ return ret; ++ ++ reg = phy_read_paged(phydev, MII_MARVELL_LED_PAGE, ++ MII_88E1318S_PHY_LED_FUNC); ++ if (reg < 0) ++ return reg; ++ ++ reg &= ~(0xf << (4 * index)); ++ reg |= mode << (4 * index); ++ return phy_write_paged(phydev, MII_MARVELL_LED_PAGE, ++ MII_88E1318S_PHY_LED_FUNC, reg); ++} ++ ++static int m88e1318_led_hw_control_get(struct phy_device *phydev, u8 index, ++ unsigned long *rules) ++{ ++ int mode, reg; ++ ++ if (index > 2) ++ return -EINVAL; ++ ++ reg = phy_read_paged(phydev, MII_MARVELL_LED_PAGE, ++ MII_88E1318S_PHY_LED_FUNC); ++ if (reg < 0) ++ return reg; ++ ++ mode = (reg >> (4 * index)) & 0xf; ++ ++ return marvell_get_led_rules(index, rules, mode); ++} ++ + static int marvell_probe(struct phy_device *phydev) + { + struct marvell_priv *priv; +@@ -3144,6 +3410,9 @@ static struct phy_driver marvell_drivers + .get_stats = marvell_get_stats, + .led_brightness_set = m88e1318_led_brightness_set, + .led_blink_set = m88e1318_led_blink_set, ++ .led_hw_is_supported = m88e1318_led_hw_is_supported, ++ .led_hw_control_set = m88e1318_led_hw_control_set, ++ .led_hw_control_get = m88e1318_led_hw_control_get, + }, + { + .phy_id = MARVELL_PHY_ID_88E1145, +@@ -3252,6 +3521,9 @@ static struct phy_driver marvell_drivers + .cable_test_get_status = marvell_vct7_cable_test_get_status, + .led_brightness_set = m88e1318_led_brightness_set, + .led_blink_set = m88e1318_led_blink_set, ++ .led_hw_is_supported = m88e1318_led_hw_is_supported, ++ .led_hw_control_set = m88e1318_led_hw_control_set, ++ .led_hw_control_get = m88e1318_led_hw_control_get, + }, + { + .phy_id = MARVELL_PHY_ID_88E1540, +@@ -3280,6 +3552,9 @@ static struct phy_driver marvell_drivers + .cable_test_get_status = marvell_vct7_cable_test_get_status, + .led_brightness_set = m88e1318_led_brightness_set, + .led_blink_set = m88e1318_led_blink_set, ++ .led_hw_is_supported = m88e1318_led_hw_is_supported, ++ .led_hw_control_set = m88e1318_led_hw_control_set, ++ .led_hw_control_get = m88e1318_led_hw_control_get, + }, + { + .phy_id = MARVELL_PHY_ID_88E1545, +@@ -3308,6 +3583,9 @@ static struct phy_driver marvell_drivers + .cable_test_get_status = marvell_vct7_cable_test_get_status, + .led_brightness_set = m88e1318_led_brightness_set, + .led_blink_set = m88e1318_led_blink_set, ++ .led_hw_is_supported = m88e1318_led_hw_is_supported, ++ .led_hw_control_set = m88e1318_led_hw_control_set, ++ .led_hw_control_get = m88e1318_led_hw_control_get, + }, + { + .phy_id = MARVELL_PHY_ID_88E3016, +@@ -3451,6 +3729,9 @@ static struct phy_driver marvell_drivers + .set_tunable = m88e1540_set_tunable, + .led_brightness_set = m88e1318_led_brightness_set, + .led_blink_set = m88e1318_led_blink_set, ++ .led_hw_is_supported = m88e1318_led_hw_is_supported, ++ .led_hw_control_set = m88e1318_led_hw_control_set, ++ .led_hw_control_get = m88e1318_led_hw_control_get, + }, + }; + diff --git a/target/linux/generic/backport-6.1/826-v6.6-04-leds-trig-netdev-Disable-offload-on-deactivation-of-.patch b/target/linux/generic/backport-6.1/826-v6.6-04-leds-trig-netdev-Disable-offload-on-deactivation-of-.patch new file mode 100644 index 0000000000..d6a69aa9ca --- /dev/null +++ b/target/linux/generic/backport-6.1/826-v6.6-04-leds-trig-netdev-Disable-offload-on-deactivation-of-.patch @@ -0,0 +1,31 @@ +From e8fbcc47a8e935f36f044d85f21a99acecbd7bfb Mon Sep 17 00:00:00 2001 +From: Andrew Lunn +Date: Tue, 8 Aug 2023 23:04:36 +0200 +Subject: [PATCH 4/4] leds: trig-netdev: Disable offload on deactivation of + trigger + +Ensure that the offloading of blinking is stopped when the trigger is +deactivated. Calling led_set_brightness() is documented as stopping +offload and setting the LED to a constant brightness. + +Suggested-by: Daniel Golle +Signed-off-by: Andrew Lunn +Reviewed-by: Simon Horman +Tested-by: Daniel Golle +Link: https://lore.kernel.org/r/20230808210436.838995-5-andrew@lunn.ch +Signed-off-by: Jakub Kicinski +--- + drivers/leds/trigger/ledtrig-netdev.c | 2 ++ + 1 file changed, 2 insertions(+) + +--- a/drivers/leds/trigger/ledtrig-netdev.c ++++ b/drivers/leds/trigger/ledtrig-netdev.c +@@ -595,6 +595,8 @@ static void netdev_trig_deactivate(struc + + cancel_delayed_work_sync(&trigger_data->work); + ++ led_set_brightness(led_cdev, LED_OFF); ++ + dev_put(trigger_data->net_dev); + + kfree(trigger_data); diff --git a/target/linux/generic/config-6.1 b/target/linux/generic/config-6.1 index 52a283237f..29aa7292b8 100644 --- a/target/linux/generic/config-6.1 +++ b/target/linux/generic/config-6.1 @@ -4831,6 +4831,7 @@ CONFIG_PCI_SYSCALL=y # CONFIG_PHANTOM is not set # CONFIG_PHONET is not set # CONFIG_PHYLIB is not set +# CONFIG_PHYLIB_LEDS is not set # CONFIG_PHYS_ADDR_T_64BIT is not set # CONFIG_PHY_CADENCE_DP is not set # CONFIG_PHY_CADENCE_DPHY is not set diff --git a/target/linux/generic/hack-6.1/700-swconfig_switch_drivers.patch b/target/linux/generic/hack-6.1/700-swconfig_switch_drivers.patch index 9d77efaca6..5f49678a34 100644 --- a/target/linux/generic/hack-6.1/700-swconfig_switch_drivers.patch +++ b/target/linux/generic/hack-6.1/700-swconfig_switch_drivers.patch @@ -12,7 +12,7 @@ Signed-off-by: Felix Fietkau --- a/drivers/net/phy/Kconfig +++ b/drivers/net/phy/Kconfig -@@ -62,6 +62,80 @@ config SFP +@@ -69,6 +69,80 @@ config SFP depends on HWMON || HWMON=n select MDIO_I2C -- 2.30.2