X-Git-Url: http://git.osdn.net/view?a=blobdiff_plain;f=kernel%2Fprintk.c;h=8451dfc31d25b4e0e6903e84a55de230fb5363e2;hb=cb00e99c0abd844b884c64c6b54aa3b7d345ebb1;hp=bd2cd062878d6fb1f4b40895ddee7dbe9f9468da;hpb=0ae842eaf9512d9c9479797083750c077fc7d1f8;p=sagit-ice-cold%2Fkernel_xiaomi_msm8998.git

diff --git a/kernel/printk.c b/kernel/printk.c
index bd2cd062878d..8451dfc31d25 100644
--- a/kernel/printk.c
+++ b/kernel/printk.c
@@ -1083,6 +1083,19 @@ int unregister_console(struct console *console)
 }
 EXPORT_SYMBOL(unregister_console);
 
+static int __init disable_boot_consoles(void)
+{
+	if (console_drivers != NULL) {
+		if (console_drivers->flags & CON_BOOT) {
+			printk(KERN_INFO "turn off boot console %s%d\n",
+				console_drivers->name, console_drivers->index);
+			return unregister_console(console_drivers);
+		}
+	}
+	return 0;
+}
+late_initcall(disable_boot_consoles);
+
 /**
  * tty_write_message - write a message to a certain tty, not just the console.
  * @tty: the destination tty_struct