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android/Documentation/ABI/testing/sysfs-bus-intel_th-devices-gth
threeeye bc1d038eac REVVL 6 Pro kernel bring-up: full working tree snapshot (2026-09-12)
Squashed backup commit (no shallow-clone history issues) of
xiaomi-mt6833-dev/kernel_xiaomi_mt6833 (lineage-23.2 branch, upstream
commit 9eece662e) plus all fixes applied to get everpal_defconfig building
clean against a modern (GCC 15.2.0) toolchain -- see the previous commit
message on the lineage-23.2 branch (also in this repo history is not
available here since this is a squashed snapshot; full incremental history
lives in the local DL380 checkout and the upstream GitHub remote).

Upstream: https://github.com/xiaomi-mt6833-dev/kernel_xiaomi_mt6833 (lineage-23.2)
2026-09-12 13:36:46 +00:00

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What: /sys/bus/intel_th/devices/<intel_th_id>-gth/masters/*
Date: June 2015
KernelVersion: 4.3
Contact: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Description: (RW) Configure output ports for STP masters. Writing -1
disables a master; any
What: /sys/bus/intel_th/devices/<intel_th_id>-gth/outputs/[0-7]_port
Date: June 2015
KernelVersion: 4.3
Contact: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Description: (RO) Output port type:
0: not present,
1: MSU (Memory Storage Unit)
2: CTP (Common Trace Port)
4: PTI (MIPI PTI).
What: /sys/bus/intel_th/devices/<intel_th_id>-gth/outputs/[0-7]_drop
Date: June 2015
KernelVersion: 4.3
Contact: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Description: (RW) Data retention policy setting: keep (0) or drop (1)
incoming data while output port is in reset.
What: /sys/bus/intel_th/devices/<intel_th_id>-gth/outputs/[0-7]_null
Date: June 2015
KernelVersion: 4.3
Contact: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Description: (RW) STP NULL packet generation: enabled (1) or disabled (0).
What: /sys/bus/intel_th/devices/<intel_th_id>-gth/outputs/[0-7]_flush
Date: June 2015
KernelVersion: 4.3
Contact: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Description: (RW) Force flush data from byte packing buffer for the output
port.
What: /sys/bus/intel_th/devices/<intel_th_id>-gth/outputs/[0-7]_reset
Date: June 2015
KernelVersion: 4.3
Contact: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Description: (RO) Output port is in reset (1).
What: /sys/bus/intel_th/devices/<intel_th_id>-gth/outputs/[0-7]_smcfreq
Date: June 2015
KernelVersion: 4.3
Contact: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Description: (RW) STP sync packet frequency for the port. Specifies the
number of clocks between mainenance packets.