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* common/board_f.c: fix compile error when tracing disabledKevin Hilman2015-01-12-7/+0
| | | | | | | | | | | | | | | | When CONFIG_TRACE is disabled, linking fails with: common/built-in.o:(.data.init_sequence_f+0x8): undefined reference to `trace_early_init' To fix, wrap trace init calls with #ifdef CONFIG_TRACE. While at it, remove the static inline version of the init call from trace.h as suggested by Simon Glass, since it doesnt work. Cc: Simon Glass <sjg@chromium.org> Cc: Tom Rini <trini@ti.com> Signed-off-by: Kevin Hilman <khilman@linaro.org> Acked-by: Simon Glass <sjg@chromium.org>
* Add GPL-2.0+ SPDX-License-Identifier to source filesWolfgang Denk2013-07-24-14/+1
| | | | | | Signed-off-by: Wolfgang Denk <wd@denx.de> [trini: Fixup common/cmd_io.c] Signed-off-by: Tom Rini <trini@ti.com>
* Add trace librarySimon Glass2013-06-26-0/+125
Add a library which supports tracing of execution using built-in gcc features and a microsecond timer. This can be used to record a list of function which are executed, along with a timestamp for each. Later this information can be sent to the host for processing. Signed-off-by: Simon Glass <sjg@chromium.org>