linux-kernel - [PATCH 6/6] tty: serial: document uart_get

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Date:   Thu, 28 Jul 2022 08:10:56 +0200
From:   Jiri Slaby <jslaby@...e.cz>
To:     gregkh@...uxfoundation.org
Cc:     linux-serial@...r.kernel.org, linux-kernel@...r.kernel.org,
        Jiri Slaby <jslaby@...e.cz>
Subject: [PATCH 6/6] tty: serial: document uart_get_console()

This was the only function mentioned in the text, but was neither linked
nor documented. So document and link it, so that hyperlinking works in
the text.

Signed-off-by: Jiri Slaby <jslaby@...e.cz>
---
 Documentation/driver-api/serial/driver.rst |  2 +-
 drivers/tty/serial/serial_core.c           | 13 +++++++++----
 2 files changed, 10 insertions(+), 5 deletions(-)

diff --git a/Documentation/driver-api/serial/driver.rst b/Documentation/driver-api/serial/driver.rst
index e1b440f2c02b..23c6b956cd90 100644
--- a/Documentation/driver-api/serial/driver.rst
+++ b/Documentation/driver-api/serial/driver.rst
@@ -76,7 +76,7 @@ Other functions
            uart_add_one_port uart_remove_one_port uart_console_write
            uart_parse_earlycon uart_parse_options uart_set_options
            uart_get_lsr_info uart_handle_dcd_change uart_handle_cts_change
-           uart_try_toggle_sysrq
+           uart_try_toggle_sysrq uart_get_console
 
 Other notes
 -----------
diff --git a/drivers/tty/serial/serial_core.c b/drivers/tty/serial/serial_core.c
index 14d309850d2e..12c87cd201a7 100644
--- a/drivers/tty/serial/serial_core.c
+++ b/drivers/tty/serial/serial_core.c
@@ -2087,10 +2087,15 @@ void uart_console_write(struct uart_port *port, const char *s,
 }
 EXPORT_SYMBOL_GPL(uart_console_write);
 
-/*
- *	Check whether an invalid uart number has been specified, and
- *	if so, search for the first available port that does have
- *	console support.
+/**
+ * uart_get_console - get uart port for console
+ * @ports: ports to search in
+ * @nr: number of @ports
+ * @co: console to search for
+ * Returns: uart_port for the console @co
+ *
+ * Check whether an invalid uart number has been specified (as @co->index), and
+ * if so, search for the first available port that does have console support.
  */
 struct uart_port * __init
 uart_get_console(struct uart_port *ports, int nr, struct console *co)
-- 
2.37.1