3 files changed, 4 insertions, 3 deletions

diff --git a/drivers/serial/Kconfig b/drivers/serial/Kconfig
index 97034d3937fd..d5797618a3b9 100644
--- a/drivers/serial/Kconfig
+++ b/drivers/serial/Kconfig
@@ -211,7 +211,7 @@ comment "Non-8250 serial port support"
 
 config SERIAL_AMBA_PL010
         tristate "ARM AMBA PL010 serial port support"
-        depends on ARM_AMBA
+        depends on ARM_AMBA && (BROKEN || !ARCH_VERSATILE)
         select SERIAL_CORE
         help
           This selects the ARM(R) AMBA(R) PrimeCell PL010 UART.  If you have
@@ -819,7 +819,7 @@ config SERIAL_M32R_SIO_CONSOLE
 
 config SERIAL_M32R_PLDSIO
         bool "M32R SIO I/F on a PLD"
-        depends on SERIAL_M32R_SIO=y
+        depends on SERIAL_M32R_SIO=y && (PLAT_OPSPUT || PALT_USRV || PLAT_M32700UT)
         default n
         help
           Say Y here if you want to use the M32R serial controller
diff --git a/drivers/serial/m32r_sio.c b/drivers/serial/m32r_sio.c
index 0301feacbde4..9b50560b9d16 100644
--- a/drivers/serial/m32r_sio.c
+++ b/drivers/serial/m32r_sio.c
@@ -1123,7 +1123,7 @@ static int __init m32r_sio_console_setup(struct console *co, char *options)
         return uart_set_options(port, co, baud, parity, bits, flow);
 }
 
-extern struct uart_driver m32r_sio_reg;
+static struct uart_driver m32r_sio_reg;
 static struct console m32r_sio_console = {
         .name           = "ttyS",
         .write          = m32r_sio_console_write,
diff --git a/drivers/serial/sn_console.c b/drivers/serial/sn_console.c
index 840815fde49b..12d1f14e78ce 100644
--- a/drivers/serial/sn_console.c
+++ b/drivers/serial/sn_console.c
@@ -1093,6 +1093,7 @@ int __init sn_serial_console_early_setup(void)
                 return -1;
 
         sal_console_port.sc_ops = &poll_ops;
+        spin_lock_init(&sal_console_port.sc_port.lock);
         early_sn_setup();       /* Find SAL entry points */
         register_console(&sal_console_early);