linux.inc: introduce CMDLINE_DEBUG to hide or show kernel messages

* controlled by DISTRO_TYPE
* You can define CMDLINE_DEBUG in your local.conf or distro.conf to override this behaviour

diff --git a/packages/linux/linux.inc b/packages/linux/linux.inc
index 85ae8b9..a08c3a2 100644 (file)
--- a/packages/linux/linux.inc
+++ b/packages/linux/linux.inc
@@ -13,11 +13,16 @@ RPSRC = "http://www.rpsys.net/openzaurus/patches/archive"
 
 # Specify the commandline for your device
 
-#boot from mmc
+# Boot from mmc
 CMDLINE_at91sam9263ek = "mem=64M console=ttyS0,115200 root=/dev/mmcblk0p1 rootfstype=ext2 rootdelay=5"
-#boot from nfs
+# Boot from nfs
 #CMDLINE_at91sam9263ek = "mem=64M console=ttyS0,115200 root=301 root=/dev/nfs nfsroot=172.20.3.1:/data/at91 ip=172.20.0.5:::255.255.0.0"
 
+# Set the verbosity of kernel messages during runtime
+# You can define CMDLINE_DEBUG in your local.conf or distro.conf to override this behaviour  
+CMDLINE_DEBUG ?= '${@base_conditional("DISTRO_TYPE", "release", "quiet", "debug",d)}'
+CMDLINE_append = " ${CMDLINE_DEBUG} "
+
 do_configure_prepend() {
         echo "" > ${S}/.config