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

General informations

The Linux kernel configuration item CONFIG_TRACE_ROUTER:

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.



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