Initialize the uart_port spinlock of earlycon to avoid the BUG() when booting with spinlock debug enabled.
Signed-off-by: Bjorn Andersson <[email protected]> --- drivers/tty/serial/earlycon.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/drivers/tty/serial/earlycon.c b/drivers/tty/serial/earlycon.c index f09636083426..6c18891ad8d0 100644 --- a/drivers/tty/serial/earlycon.c +++ b/drivers/tty/serial/earlycon.c @@ -111,6 +111,8 @@ static int __init register_earlycon(char *buf, const struct earlycon_id *match) int err; struct uart_port *port = &early_console_dev.port; + spin_lock_init(&port->lock); + /* On parsing error, pass the options buf to the setup function */ if (buf && !parse_options(&early_console_dev, buf)) buf = NULL; @@ -202,6 +204,7 @@ 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; -- 2.4.2 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
