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authorNicolas Pitre <nicolas.pitre@linaro.org>2017-04-12 18:37:14 -0400
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2017-04-18 18:01:52 +0200
commit0c688614dcce84dfdbb305fd1c399c06cecea745 (patch)
tree5d96d52fe1b750645adb8c9b433bb98e6c801015 /kernel/printk
parent72f1b85a045e3db4d21e9531bdc605157fa224a7 (diff)
console: move console_init() out of tty_io.c
All the console driver handling code lives in printk.c. Move console_init() there as well so console support can still be used when the TTY code is configured out. No logical changes from this patch. Signed-off-by: Nicolas Pitre <nico@linaro.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'kernel/printk')
-rw-r--r--kernel/printk/printk.c24
1 files changed, 24 insertions, 0 deletions
diff --git a/kernel/printk/printk.c b/kernel/printk/printk.c
index 2984fb0f0257..3a0940652660 100644
--- a/kernel/printk/printk.c
+++ b/kernel/printk/printk.c
@@ -2611,6 +2611,30 @@ int unregister_console(struct console *console)
EXPORT_SYMBOL(unregister_console);
/*
+ * Initialize the console device. This is called *early*, so
+ * we can't necessarily depend on lots of kernel help here.
+ * Just do some early initializations, and do the complex setup
+ * later.
+ */
+void __init console_init(void)
+{
+ initcall_t *call;
+
+ /* Setup the default TTY line discipline. */
+ n_tty_init();
+
+ /*
+ * set up the console device so that later boot sequences can
+ * inform about problems etc..
+ */
+ call = __con_initcall_start;
+ while (call < __con_initcall_end) {
+ (*call)();
+ call++;
+ }
+}
+
+/*
* Some boot consoles access data that is in the init section and which will
* be discarded after the initcalls have been run. To make sure that no code
* will access this data, unregister the boot consoles in a late initcall.