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log: Convert log values to printf() if not enabled

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At present if logging not enabled, log_info() becomes a nop. But we want
log output at the 'info' level to be akin to printf(). Update the macro to
pass the output straight to printf() in this case.

This mimics the behaviour for the log_...() macros like log_debug() and
log_info(), so we can drop the special case for these.

Add new tests to cover this case.
Signed-off-by: Simon Glass <sjg@chromium.org>
This commit is contained in:
Simon Glass
2021-05-08 13:46:54 -06:00
committed by Tom Rini
parent 8d9bb98f86
commit e1cbd916c8
5 changed files with 62 additions and 21 deletions
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6
doc/develop/logging.rst
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@@ -52,6 +52,10 @@ If CONFIG_LOG is not set, then no logging will be available.
The above have SPL and TPL versions also, e.g. CONFIG_SPL_LOG_MAX_LEVEL and
CONFIG_TPL_LOG_MAX_LEVEL.
If logging is disabled, the default behaviour is to output any message at
level LOGL_INFO and below. If logging is disabled and DEBUG is defined (at
the very top of a C file) then any message at LOGL_DEBUG will be written.
Temporary logging within a single file
--------------------------------------
@@ -291,8 +295,6 @@ More logging destinations:
Convert debug() statements in the code to log() statements
Support making printf() emit log statements at L_INFO level
Convert error() statements in the code to log() statements
Figure out what to do with BUG(), BUG_ON() and warn_non_spl()