[coreboot-gerrit] Change in coreboot[master]: lib/fmap: Allow disabling all output in fmap cache

[Patrick Georgi (Code Review)]

Patrick Georgi has uploaded this change for review. ( https://review.coreboot.org/c/coreboot/+/36924 )

Change subject: lib/fmap: Allow disabling all output in fmap cache
......................................................................

lib/fmap: Allow disabling all output in fmap cache

Some devices like google/meep are _very_ tight on space in the
bootblock and the strings are enough to make it spill over, so compile
them out.

Change-Id: I1b96a6c3563e12435d6927c6e2f91a9458badac3
Signed-off-by: Patrick Georgi 
---
M src/lib/Kconfig
M src/lib/fmap.c
2 files changed, 9 insertions(+), 0 deletions(-)

git pull ssh://review.coreboot.org:29418/coreboot refs/changes/24/36924/1

diff --git a/src/lib/Kconfig b/src/lib/Kconfig
index cb1e4a5..2db0fcd 100644
--- a/src/lib/Kconfig
+++ b/src/lib/Kconfig
@@ -68,3 +68,8 @@
    def_bool y

endif
+
+config SILENT_FMAP_CACHE
+	bool
+	help
+	  Disable all console output in fmap cache code to save some space.
diff --git a/src/lib/fmap.c b/src/lib/fmap.c
index 4b4179c..8f47adb 100644
--- a/src/lib/fmap.c
+++ b/src/lib/fmap.c
@@ -32,10 +32,14 @@
 static int fmap_print_once CAR_GLOBAL;
 static struct mem_region_device fmap_cache CAR_GLOBAL;

+#if CONFIG(SILENT_FMAP_CACHE)
+#define print_once(...) do { } while (0)
+#else
 #define print_once(...) do { \
    	if (!car_get_var(fmap_print_once)) \
    		printk(__VA_ARGS__); \
    } while (0)
+#endif

DECLARE_OPTIONAL_REGION(fmap_cache);