[PATCH ] printk: add module parameter ignore_loglevel to controlignore_loglevel

From: Yanmin Zhang
Date: Mon Aug 08 2011 - 23:13:41 EST

We are enabling some power features on medfield. To test suspend-2-RAM
conveniently, we need turn on/off ignore_loglevel frequently without rebooting.

Below patch adds a module parameter, so users could change it by:

Signed-off-by: Yanmin Zhang <yanmin.zhang@xxxxxxxxx>

kernel/printk.c | 1 +
1 files changed, 1 insertions(+), 0 deletions(-)

diff --git a/kernel/printk.c b/kernel/printk.c
index ce00f1b..12d4437 100644
--- a/kernel/printk.c
+++ b/kernel/printk.c
@@ -530,6 +530,7 @@ static int __init ignore_loglevel_setup(char *str)

early_param("ignore_loglevel", ignore_loglevel_setup);
+module_param_named(ignore_loglevel, ignore_loglevel, bool, S_IRUGO | S_IWUSR);

* Write out chars from start to end - 1 inclusive

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