[PATCH 12/13] serial: document start_rx member at struct uart_ops

[Mauro Carvalho Chehab]

Fix this doc build warning:
	./include/linux/serial_core.h:397: warning: Function parameter or member 'start_rx' not described in 'uart_ops'

Signed-off-by: Mauro Carvalho Chehab <mchehab@xxxxxxxxxx>
---

See [PATCH 00/13] at: https://lore.kernel.org/all/cover.1660829433.git.mchehab@xxxxxxxxxx/

 include/linux/serial_core.h | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/include/linux/serial_core.h b/include/linux/serial_core.h
index aef3145f2032..6e4f4765d209 100644
--- a/include/linux/serial_core.h
+++ b/include/linux/serial_core.h
@@ -141,6 +141,14 @@ struct gpio_desc;
  *	Locking: none.
  *	Interrupts: caller dependent.
  *
+ * @start_rx: ``void ()(struct uart_port *port)``
+ *
+ *	Start receiving characters.
+ *
+ *	Locking: @port->lock taken.
+ *	Interrupts: locally disabled.
+ *	This call must not sleep
+ *
  * @stop_rx: ``void ()(struct uart_port *port)``
  *
  *	Stop receiving characters; the @port is in the process of being closed.
-- 
2.37.1