X-Git-Url: http://demsky.eecs.uci.edu/git/?a=blobdiff_plain;f=drivers%2Ftty%2Fserial%2Fearlycon.c;h=b5b2f2be6be7c613b5c051c0d9730d3fa3b5e177;hb=ad3d1abb305459592f9dcf47d3c7d30f5e8dd5b7;hp=f09636083426d5fc2fdb18a65a2a1af49a0093b7;hpb=0c38ec716cdc0397f5225047c33a3144da93f5d8;p=firefly-linux-kernel-4.4.55.git

diff --git a/drivers/tty/serial/earlycon.c b/drivers/tty/serial/earlycon.c
index f09636083426..b5b2f2be6be7 100644
--- a/drivers/tty/serial/earlycon.c
+++ b/drivers/tty/serial/earlycon.c
@@ -115,6 +115,7 @@ static int __init register_earlycon(char *buf, const struct earlycon_id *match)
 	if (buf && !parse_options(&early_console_dev, buf))
 		buf = NULL;
 
+	spin_lock_init(&port->lock);
 	port->uartclk = BASE_BAUD * 16;
 	if (port->mapbase)
 		port->membase = earlycon_map(port->mapbase, 64);
@@ -202,6 +203,7 @@ int __init of_setup_earlycon(unsigned long addr,
 	int err;
 	struct uart_port *port = &early_console_dev.port;
 
+	spin_lock_init(&port->lock);
 	port->iotype = UPIO_MEM;
 	port->mapbase = addr;
 	port->uartclk = BASE_BAUD * 16;