CONFIG_TRACE_ROUTER: Trace data router for MIPI P1149.7 cJTAG standard

General informations

The Linux kernel configuration item CONFIG_TRACE_ROUTER:

• prompt: Trace data router for MIPI P1149.7 cJTAG standard
• type: tristate
• depends on: CONFIG_TRACE_SINK
• defined in drivers/tty/Kconfig
• found in Linux kernels: 3.0–3.19, 4.0–4.20, 5.0–5.12
• modules built: n_tracerouter

Help text

The trace router uses the Linux tty line discipline framework to route trace data coming from a tty port (say UART for example) to the trace sink line discipline driver and to another tty port (say USB). This is part of a solution for the MIPI P1149.7, compact JTAG, standard, which is for debugging mobile devices. The PTI driver in drivers/misc/pti.c defines the majority of this MIPI solution.

You should select this driver if the target kernel is meant for a mobile device containing a modem. Then you will need to select "Trace data sink for MIPI P1149.7 cJTAG standard" line discipline driver.

Hardware

LKDDb

Raw data from LKDDb:

• lkddb module n_tracerouter CONFIG_TRACE_ROUTER : drivers/tty/Kconfig : "Trace data router for MIPI P1149.7 cJTAG standard" # in 3.0–3.19, 4.0–4.20, 5.0–5.11

Sources

This page is automaticly generated with free (libre, open) software lkddb(see lkddb-sources).

The data is retrived from:

• Linux kernel
• Linux Kernel Driver DataBase (LKDDb)

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