[PATCH v3 1/3] drivers: serial: earlycon: Pass device-tree node

[Markuss Broks]

Pass a pointer to device-tree node in case the driver probed from
OF. This makes early console drivers able to fetch options from
device-tree node properties.

Signed-off-by: Markuss Broks <markuss.br...@gmail.com>
---
 drivers/tty/serial/earlycon.c | 3 +++
 include/linux/serial_core.h   | 1 +
 2 files changed, 4 insertions(+)

diff --git a/drivers/tty/serial/earlycon.c b/drivers/tty/serial/earlycon.c
index 4f6e9bf57169..0c7a789d7eb7 100644
--- a/drivers/tty/serial/earlycon.c
+++ b/drivers/tty/serial/earlycon.c
@@ -307,6 +307,9 @@ int __init of_setup_earlycon(const struct earlycon_id 
*match,
                strscpy(early_console_dev.options, options,
                        sizeof(early_console_dev.options));
        }
+
+       early_console_dev.node = node;
+
        earlycon_init(&early_console_dev, match->name);
        err = match->setup(&early_console_dev, options);
        earlycon_print_info(&early_console_dev);
diff --git a/include/linux/serial_core.h b/include/linux/serial_core.h
index fd59f600094a..0b06c0ee7705 100644
--- a/include/linux/serial_core.h
+++ b/include/linux/serial_core.h
@@ -783,6 +783,7 @@ struct earlycon_device {
        struct uart_port port;
        char options[16];               /* e.g., 115200n8 */
        unsigned int baud;
+       unsigned long node;
 };
 
 struct earlycon_id {
-- 
2.39.0