Messages in this thread Patch in this message | | | Subject | [PATCH ] printk: add module parameter console_suspend_enabled to control console_suspend_enabled | From | Yanmin Zhang <> | Date | Tue, 09 Aug 2011 11:09:04 +0800 |
| |
We are enabling some power features on medfield. To test suspend-2-RAM conveniently, we need turn on/off console_suspend_enabled frequently.
Below patch adds a module parameter, so users could change it by: /sys/module/printk/parameters/console_suspend_enabled
Signed-off-by: Yanmin Zhang <yanmin.zhang@intel.com>
--- kernel/printk.c | 2 ++ 1 files changed, 2 insertions(+), 0 deletions(-)
diff --git a/kernel/printk.c b/kernel/printk.c index 37dff34..ce00f1b 100644 --- a/kernel/printk.c +++ b/kernel/printk.c @@ -1106,6 +1106,8 @@ static int __init console_suspend_disable(char *str) return 1; } __setup("no_console_suspend", console_suspend_disable); +module_param_named(console_suspend_enabled, console_suspend_enabled, + bool, S_IRUGO | S_IWUSR); /** * suspend_console - suspend the console subsystem -- 1.7.1
| |