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log: Add a Kconfig option to set the default log level

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At present the default log level is set to LOGL_INFO on start-up. Allow
this to be controlled from Kconfig.

Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
This commit is contained in:
Simon Glass 2019-02-16 20:24:35 -07:00 • committed by Bin Meng
parent 6fc7e93896
commit f0b05c95e3
2 changed files with 21 additions and 1 deletions
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20
common/Kconfig
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@ -535,6 +535,26 @@ config TPL_LOG_MAX_LEVEL
8 - debug content 8 - debug content
9 - debug hardware I/O 9 - debug hardware I/O
config LOG_DEFAULT_LEVEL
int "Default logging level to display"
default 6
help
This is the default logging level set when U-Boot starts. It can
be adjusted later using the 'log level' command. Note that setting
this to a value abnove LOG_MAX_LEVEL will be ineffective, since the
higher levels are not compiled in to U-Boot.
0 - emergency
1 - alert
2 - critical
3 - error
4 - warning
5 - note
6 - info
7 - debug
8 - debug content
9 - debug hardware I/O
config LOG_CONSOLE config LOG_CONSOLE
bool "Allow log output to the console" bool "Allow log output to the console"
depends on LOG depends on LOG

2
common/log.c
View file

@ -316,7 +316,7 @@ int log_init(void)
} }
gd->flags |= GD_FLG_LOG_READY; gd->flags |= GD_FLG_LOG_READY;
if (!gd->default_log_level) if (!gd->default_log_level)
gd->default_log_level = LOGL_INFO; gd->default_log_level = CONFIG_LOG_DEFAULT_LEVEL;
gd->log_fmt = LOGF_DEFAULT; gd->log_fmt = LOGF_DEFAULT;
return 0; return 0;