From: Jiri Slaby <jslaby@suse.cz>
To: gregkh@linuxfoundation.org
Cc: linux-serial@vger.kernel.org, linux-kernel@vger.kernel.org,
Jiri Slaby <jslaby@suse.cz>
Subject: [PATCH 2/4] tty/serial: make port of serial8250_register_8250_port const
Date: Wed, 19 May 2021 09:21:51 +0200 [thread overview]
Message-ID: <20210519072153.3859-2-jslaby@suse.cz> (raw)
In-Reply-To: <20210519072153.3859-1-jslaby@suse.cz>
After the previous patch, we can make port passed to
serial8250_find_match_or_unused const. And then we can make const also
port of serial8250_register_8250_port.
Signed-off-by: Jiri Slaby <jslaby@suse.cz>
---
drivers/tty/serial/8250/8250_core.c | 4 ++--
include/linux/serial_8250.h | 2 +-
2 files changed, 3 insertions(+), 3 deletions(-)
diff --git a/drivers/tty/serial/8250/8250_core.c b/drivers/tty/serial/8250/8250_core.c
index 1082e76c4d37..1ce193daea7f 100644
--- a/drivers/tty/serial/8250/8250_core.c
+++ b/drivers/tty/serial/8250/8250_core.c
@@ -906,7 +906,7 @@ static struct platform_device *serial8250_isa_devs;
*/
static DEFINE_MUTEX(serial_mutex);
-static struct uart_8250_port *serial8250_find_match_or_unused(struct uart_port *port)
+static struct uart_8250_port *serial8250_find_match_or_unused(const struct uart_port *port)
{
int i;
@@ -971,7 +971,7 @@ static void serial_8250_overrun_backoff_work(struct work_struct *work)
*
* On success the port is ready to use and the line number is returned.
*/
-int serial8250_register_8250_port(struct uart_8250_port *up)
+int serial8250_register_8250_port(const struct uart_8250_port *up)
{
struct uart_8250_port *uart;
int ret = -ENOSPC;
diff --git a/include/linux/serial_8250.h b/include/linux/serial_8250.h
index 9e655055112d..5db211f43b29 100644
--- a/include/linux/serial_8250.h
+++ b/include/linux/serial_8250.h
@@ -146,7 +146,7 @@ static inline struct uart_8250_port *up_to_u8250p(struct uart_port *up)
return container_of(up, struct uart_8250_port, port);
}
-int serial8250_register_8250_port(struct uart_8250_port *);
+int serial8250_register_8250_port(const struct uart_8250_port *);
void serial8250_unregister_port(int line);
void serial8250_suspend_port(int line);
void serial8250_resume_port(int line);
--
2.31.1
next prev parent reply other threads:[~2021-05-19 7:22 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-05-19 7:21 [PATCH 1/4] tty/serial: clean up uart_match_port Jiri Slaby
2021-05-19 7:21 ` Jiri Slaby [this message]
2021-05-19 7:21 ` [PATCH 3/4] tty: fix kernel-doc for tty_{read,write} Jiri Slaby
2021-05-19 7:21 ` [PATCH 4/4] tty: fix kernel-doc for {start,stop}_tty Jiri Slaby
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