Introduce message logging support

This adds a buffer for log messages and a 'dmesg' command to
print the messages. The log buffer is implemented as log objects
rather than a string buffer. This makes it easy to implement
limiting the messages, cleaning the buffer and timestamping
the messages.

Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>

1 files changed, 0 insertions, 22 deletions

diff --git a/drivers/base/driver.c b/drivers/base/driver.c
index 2cf3ee6892..9709415821 100644
--- a/drivers/base/driver.c
+++ b/drivers/base/driver.c
@@ -377,28 +377,6 @@ const char *dev_id(const struct device_d *dev)
 	return buf;
 }
 
-int dev_printf(int level, const struct device_d *dev, const char *format, ...)
-{
-	va_list args;
-	int ret = 0;
-
-	if (level > barebox_loglevel)
-		return 0;
-
-	if (dev->driver && dev->driver->name)
-		ret += printf("%s ", dev->driver->name);
-
-	ret += printf("%s: ", dev_name(dev));
-
-	va_start(args, format);
-
-	ret += vprintf(format, args);
-
-	va_end(args);
-
-	return ret;
-}
-
 void devices_shutdown(void)
 {
 	struct device_d *dev;