On Thu, Dec 10, 2015 at 7:08 PM, Bjorn Andersson <bjorn.andersson@xxxxxxxxxxxxxx> wrote: > Initialize the uart_port spinlock of earlycon to avoid the BUG() when > booting with spinlock debug enabled. > > Signed-off-by: Bjorn Andersson <bjorn.andersson@xxxxxxxxxxxxxx> Same patch[1] should already be in Greg's queue. Rob [1] https://lkml.org/lkml/2015/11/27/165 > --- > 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-serial" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
