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authorLinus Torvalds <torvalds@linux-foundation.org>2026-08-23 13:28:57 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2026-08-23 13:28:57 -0700
commit4352b8aee98005853aa63f57d6377282de17a33f (patch)
tree27614d7a9ef05c32d089004e104364ce42324837 /Documentation/ABI/testing/sysfs-class-led-trigger-netdev
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Merge tag 'i3c/for-7.3' of git://git.kernel.org/pub/scm/linux/kernel/git/i3c/linuxgrafted
Pull I3C updates from Alexandre Belloni: "A new driver this cycle, for the AMD AXI I3C controller. There are also new features such as IBI wakeup support, SETAASA device discovery and ACPI support for the the DAA methods, meaning we can now communicate with the SPD devices on DDR5 modules. New driver: - AMD AXI I3C master controller Subsystem: - I3C Common Command Code (CCC) handling improvements, especially around GET CCCs - SETAASA device discovery support - ACPI support for all existing DAA methods like SETDASA, SETNEWDA as well as I2C devices on I3C bus - IBI-based wakeup support Drivers: - dw: SETAASA support - mipi-i3c-hci: advertise IBI wakeup capability, AMD_PT I3C controller support, PIO queue management support for HCI v1.2 - renesas: improve suspend to RAM support, add runtime PM support" * tag 'i3c/for-7.3' of git://git.kernel.org/pub/scm/linux/kernel/git/i3c/linux: (70 commits) i3c: dw: reduce do_daa time if there's no client i3c: mipi-i3c-hci: Add support for AMD_PT I3C controller i3c: mipi-i3c-hci: Add PIO queue management support for HCI v1.2 i3c: mipi-i3c-hci: Fix missing STAT_IBI_STATUS_THLD in PIO mode i3c: dw: rename "pclk" to "apb" to match dt-binding i3c: dw: make struct dw_i3c_cmd smaller i3c: dw: use COMMAND_PORT_TRANSFER_ARG instead of hardcoding i3c: renesas: Don't register devices when ENTDAA times out i3c: master: dw-i3c-master: fix OD timing for first broadcast i3c: mipi-i3c-hci: Advertise IBI wakeup capability i3c: mipi-i3c-hci: Factor out i3c_hci_sysdev() i3c: mipi-i3c-hci-pci: Propagate I3C wakeup requirements to PCI i3c: master: Reject IBI requests from non-IBI-capable devices i3c: master: Add helper to query bus wakeup requirements i3c: master: Report wakeup events for IBIs i3c: master: Support IBI-based wakeup capability i3c: master: Fix potential UAF in i3c_device_match() i3c: master: Fix potential UAF in i3c_device_uevent() i3c: Make dev->desc locking assumptions explicit i3c: master: Fix use-after-free of master->this ...
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+What: /sys/class/leds/<led>/device_name
+Date: Dec 2017
+KernelVersion: 4.16
+Contact: linux-leds@vger.kernel.org
+Description:
+ Specifies the network device name to monitor.
+
+What: /sys/class/leds/<led>/interval
+Date: Dec 2017
+KernelVersion: 4.16
+Contact: linux-leds@vger.kernel.org
+Description:
+ Specifies the duration of the LED blink in milliseconds.
+ Defaults to 50 ms.
+
+ When offloaded is true, the interval value MUST be set to the
+ default value and cannot be changed.
+ Trying to set any value in this specific mode will return
+ an EINVAL error.
+
+What: /sys/class/leds/<led>/link
+Date: Dec 2017
+KernelVersion: 4.16
+Contact: linux-leds@vger.kernel.org
+Description:
+ Signal the link state of the named network device.
+
+ If set to 0 (default), the LED's normal state is off.
+
+ If set to 1, the LED's normal state reflects the link state
+ of the named network device.
+ Setting this value also immediately changes the LED state.
+
+
+What: /sys/class/leds/<led>/tx
+Date: Dec 2017
+KernelVersion: 4.16
+Contact: linux-leds@vger.kernel.org
+Description:
+ Signal transmission of data on the named network device.
+
+ If set to 0 (default), the LED will not blink on transmission.
+
+ If set to 1, the LED will blink for the milliseconds specified
+ in interval to signal transmission.
+
+ When offloaded is true, the blink interval is controlled by
+ hardware and won't reflect the value set in interval.
+
+What: /sys/class/leds/<led>/rx
+Date: Dec 2017
+KernelVersion: 4.16
+Contact: linux-leds@vger.kernel.org
+Description:
+ Signal reception of data on the named network device.
+
+ If set to 0 (default), the LED will not blink on reception.
+
+ If set to 1, the LED will blink for the milliseconds specified
+ in interval to signal reception.
+
+ When offloaded is true, the blink interval is controlled by
+ hardware and won't reflect the value set in interval.
+
+What: /sys/class/leds/<led>/offloaded
+Date: Jun 2023
+KernelVersion: 6.5
+Contact: linux-leds@vger.kernel.org
+Description:
+ Communicate whether the LED trigger modes are offloaded to
+ hardware or whether software fallback is used.
+
+ If 0, the LED is using software fallback to blink.
+
+ If 1, the LED blinking in requested mode is offloaded to
+ hardware.
+
+What: /sys/class/leds/<led>/link_10
+Date: Jun 2023
+KernelVersion: 6.5
+Contact: linux-leds@vger.kernel.org
+Description:
+ Signal the link speed state of 10Mbps of the named network device.
+
+ If set to 0 (default), the LED's normal state is off.
+
+ If set to 1, the LED's normal state reflects the link state
+ speed of 10MBps of the named network device.
+ Setting this value also immediately changes the LED state.
+
+ Present only if the named network device supports 10Mbps link speed.
+
+What: /sys/class/leds/<led>/link_100
+Date: Jun 2023
+KernelVersion: 6.5
+Contact: linux-leds@vger.kernel.org
+Description:
+ Signal the link speed state of 100Mbps of the named network device.
+
+ If set to 0 (default), the LED's normal state is off.
+
+ If set to 1, the LED's normal state reflects the link state
+ speed of 100Mbps of the named network device.
+ Setting this value also immediately changes the LED state.
+
+ Present only if the named network device supports 100Mbps link speed.
+
+What: /sys/class/leds/<led>/link_1000
+Date: Jun 2023
+KernelVersion: 6.5
+Contact: linux-leds@vger.kernel.org
+Description:
+ Signal the link speed state of 1000Mbps of the named network device.
+
+ If set to 0 (default), the LED's normal state is off.
+
+ If set to 1, the LED's normal state reflects the link state
+ speed of 1000Mbps of the named network device.
+ Setting this value also immediately changes the LED state.
+
+ Present only if the named network device supports 1000Mbps link speed.
+
+What: /sys/class/leds/<led>/link_2500
+Date: Nov 2023
+KernelVersion: 6.8
+Contact: linux-leds@vger.kernel.org
+Description:
+ Signal the link speed state of 2500Mbps of the named network device.
+
+ If set to 0 (default), the LED's normal state is off.
+
+ If set to 1, the LED's normal state reflects the link state
+ speed of 2500Mbps of the named network device.
+ Setting this value also immediately changes the LED state.
+
+ Present only if the named network device supports 2500Mbps link speed.
+
+What: /sys/class/leds/<led>/link_5000
+Date: Nov 2023
+KernelVersion: 6.8
+Contact: linux-leds@vger.kernel.org
+Description:
+ Signal the link speed state of 5000Mbps of the named network device.
+
+ If set to 0 (default), the LED's normal state is off.
+
+ If set to 1, the LED's normal state reflects the link state
+ speed of 5000Mbps of the named network device.
+ Setting this value also immediately changes the LED state.
+
+ Present only if the named network device supports 5000Mbps link speed.
+
+What: /sys/class/leds/<led>/link_10000
+Date: Nov 2023
+KernelVersion: 6.8
+Contact: linux-leds@vger.kernel.org
+Description:
+ Signal the link speed state of 10000Mbps of the named network device.
+
+ If set to 0 (default), the LED's normal state is off.
+
+ If set to 1, the LED's normal state reflects the link state
+ speed of 10000Mbps of the named network device.
+ Setting this value also immediately changes the LED state.
+
+ Present only if the named network device supports 10000Mbps link speed.
+
+What: /sys/class/leds/<led>/half_duplex
+Date: Jun 2023
+KernelVersion: 6.5
+Contact: linux-leds@vger.kernel.org
+Description:
+ Signal the link half duplex state of the named network device.
+
+ If set to 0 (default), the LED's normal state is off.
+
+ If set to 1, the LED's normal state reflects the link half
+ duplex state of the named network device.
+ Setting this value also immediately changes the LED state.
+
+What: /sys/class/leds/<led>/full_duplex
+Date: Jun 2023
+KernelVersion: 6.5
+Contact: linux-leds@vger.kernel.org
+Description:
+ Signal the link full duplex state of the named network device.
+
+ If set to 0 (default), the LED's normal state is off.
+
+ If set to 1, the LED's normal state reflects the link full
+ duplex state of the named network device.
+ Setting this value also immediately changes the LED state.