From b44b30260ffa3dc82f4bb98b022483bb09e95353 Mon Sep 17 00:00:00 2001 From: Masahiro Yamada Date: Sat, 16 Sep 2017 14:10:40 +0900 Subject: printk: collect printk stuff into with loglevel support When we import code from Linux, with regular re-sync planned, we want to use printk() and pr_*(). U-Boot does not support them in a clean way. So, people end up with local macros, or compat headers here and there, then we occasionally see build errors of definition conflicts. We have include/linux/compat.h, but putting all sorts of unrelated things into a single header is just a temporal workaround. Hence this patch, to find the best home for all printk variants. If you want to use printk() and friends, please include . This header is self-contained, and pulls in only a few headers. When I was testing this clean-up, I noticed the image size exceeded its platform limit on some boards. This is because all pr_*() that were previously defined as no-op in include/linux/mtd/mtd.h (unless CONFIG_MTD_DEBUG is set), are now enabled. To make such boards happy, this commit also implements CONFIG_LOGLEVEL. The concept is similar to the kernel parameter "loglevel". (Actually, the Kconfig help message was taken from kernel-paremeter.txt of Linux) Messages with a loglevel smaller than console loglevel will be printed. The difference is the loglevel is build-time determined. To save the image size, lower priority pr_*() are compiled out. I set the default of CONFIG_LOGLEVEL to 6, i.e. pr_notice and higher priority messages are compiled in. I adjusted CONFIG_LOGLEVEL to avoid build error for some boards. Signed-off-by: Masahiro Yamada [trini: Add in SPL_LOGLEVEL that is the same as LOGLEVEL] Signed-off-by: Tom Rini --- configs/omapl138_lcdk_defconfig | 1 + 1 file changed, 1 insertion(+) (limited to 'configs/omapl138_lcdk_defconfig') diff --git a/configs/omapl138_lcdk_defconfig b/configs/omapl138_lcdk_defconfig index c95134bcf9..3e9eb4fa84 100644 --- a/configs/omapl138_lcdk_defconfig +++ b/configs/omapl138_lcdk_defconfig @@ -8,6 +8,7 @@ CONFIG_SPL_MMC_SUPPORT=y CONFIG_SPL_SERIAL_SUPPORT=y CONFIG_SPL_NAND_SUPPORT=y CONFIG_BOOTDELAY=3 +CONFIG_LOGLEVEL=4 CONFIG_VERSION_VARIABLE=y # CONFIG_DISPLAY_CPUINFO is not set # CONFIG_DISPLAY_BOARDINFO is not set -- cgit v1.2.3