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.broks@xxxxxxxxx>
---
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 57c70851f22a0e78805f34d1a7700708104b6f6a..14e8a7fe54486a1c377a6659c37a73858de5bf0b 100644
--- a/drivers/tty/serial/earlycon.c
+++ b/drivers/tty/serial/earlycon.c
@@ -304,6 +304,9 @@ int __init of_setup_earlycon(const struct earlycon_id *match,
strlcpy(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 cbd5070bc87f42aa450c4ca7af8a9b59fbe88574..3295721f33e482124fae8370b5889d5d6c012303 100644
--- a/include/linux/serial_core.h
+++ b/include/linux/serial_core.h
@@ -349,6 +349,7 @@ struct earlycon_device {
struct uart_port port;
char options[16]; /* e.g., 115200n8 */
unsigned int baud;
+ unsigned long node;
};
struct earlycon_id {
--
2.37.0
