[PATCH 10/10] fblog: add "activate" module parameter
From: David Herrmann <hidden>
Date: 2012-06-16 22:05:15
Also in:
linux-serial, lkml
Subsystem:
console subsystem, framebuffer layer, the rest · Maintainers:
Greg Kroah-Hartman, Helge Deller, Linus Torvalds
This new parameter controls whether fblog is automatically activated when it is loaded. This defaults to "true". We can now compile with CONFIG_VT=n and CONFIG_FBLOG=y and control fblog with fblog.activate=0/1 on the kernel command line to enable/disable debugging. Signed-off-by: David Herrmann <redacted> --- drivers/video/console/fblog.c | 10 ++++++++++ 1 file changed, 10 insertions(+)
diff --git a/drivers/video/console/fblog.c b/drivers/video/console/fblog.c
index 9d3b072..cabc550 100644
--- a/drivers/video/console/fblog.c
+++ b/drivers/video/console/fblog.c@@ -94,6 +94,7 @@ struct fblog_fb { static struct fblog_fb *fblog_fbs[FB_MAX]; static struct device *fblog_device; static atomic_t fblog_active; +static bool activate = 1; static void fblog_buf_resize(struct fblog_buf *buf, size_t width, size_t height)
@@ -653,6 +654,12 @@ static int __init fblog_init(void) register_console(&fblog_con_driver); + if (activate) { + console_lock(); + fblog_activate(); + console_unlock(); + } + return 0; err_fb:
@@ -677,6 +684,9 @@ static void __exit fblog_exit(void) put_device(fblog_device); } +module_param(activate, bool, S_IRUGO); +MODULE_PARM_DESC(activate, "Activate fblog by default"); + module_init(fblog_init); module_exit(fblog_exit); MODULE_LICENSE("GPL");
--
1.7.10.4