tty: serial: 8250: export early_serial8250_setup function

[deliverable/linux.git] / drivers / tty / serial / 8250 / 8250_early.c

diff --git a/drivers/tty/serial/8250/8250_early.c b/drivers/tty/serial/8250/8250_early.c
index 8e119682266a52a3242df718a4e054eeceb32571..771dda29a0f89e352c0180572bf5a59acb0f824f 100644 (file)
--- a/drivers/tty/serial/8250/8250_early.c
+++ b/drivers/tty/serial/8250/8250_early.c
@@ -42,6 +42,8 @@ unsigned int __weak __init serial8250_early_in(struct uart_port *port, int offse
                return readb(port->membase + offset);
        case UPIO_MEM32:
                return readl(port->membase + (offset << 2));
+       case UPIO_MEM32BE:
+               return ioread32be(port->membase + (offset << 2));
        case UPIO_PORT:
                return inb(port->iobase + offset);
        default:
@@ -58,6 +60,9 @@ void __weak __init serial8250_early_out(struct uart_port *port, int offset, int
        case UPIO_MEM32:
                writel(value, port->membase + (offset << 2));
                break;
+       case UPIO_MEM32BE:
+               iowrite32be(value, port->membase + (offset << 2));
+               break;
        case UPIO_PORT:
                outb(value, port->iobase + offset);
                break;
@@ -126,7 +131,7 @@ static void __init init_port(struct earlycon_device *device)
        serial8250_early_out(port, UART_LCR, c & ~UART_LCR_DLAB);
 }
 
-static int __init early_serial8250_setup(struct earlycon_device *device,
+int __init early_serial8250_setup(struct earlycon_device *device,
                                         const char *options)
 {
        if (!(device->port.membase || device->port.iobase))