The Ftape Installation and Usage Guide - Compiling ftape
The TRACE_FLAGS makefile variable controls the amount of debugging output the driver will be able to produce. By default, full debugging capabilities are enabled. Possible values are
-DCONFIG_FT_NO_TRACE
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Disable all output except for warnings, errors and bug reports. |
-DCONFIG_FT_NO_TRACE_AT_ALL
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Disable everything except bug reports. |
Disabling debugging output dramatically reduces the size of the kernel module but makes debugging almost impossible. Generally, it is a good idea to test the driver with debugging enabled and recompile it with debugging disabled once you are sure that it works properly with your configuration.
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