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author | Jiri Slaby <jslaby@suse.cz> | 2021-05-19 09:21:51 +0200 |
---|---|---|
committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2021-05-20 16:59:14 +0200 |
commit | cd256b068f80e8b4a1eccd73527b67b3eb50f7ad (patch) | |
tree | 80acb829c3c81753addb9fdafdbe7d2bf9a37da7 | |
parent | b8be5db573b822920b0f6230498d900752bede17 (diff) | |
download | linux-stable-cd256b068f80e8b4a1eccd73527b67b3eb50f7ad.tar.gz linux-stable-cd256b068f80e8b4a1eccd73527b67b3eb50f7ad.tar.bz2 linux-stable-cd256b068f80e8b4a1eccd73527b67b3eb50f7ad.zip |
tty/serial: make port of serial8250_register_8250_port const
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>
Link: https://lore.kernel.org/r/20210519072153.3859-2-jslaby@suse.cz
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
-rw-r--r-- | drivers/tty/serial/8250/8250_core.c | 4 | ||||
-rw-r--r-- | 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); |