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authorIlpo Järvinen <ilpo.jarvinen@linux.intel.com>2022-08-16 14:57:37 +0300
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2022-08-30 14:22:35 +0200
commitbec5b814d46c2a704c3c8148752e62a33e9fa6dc (patch)
tree1d7320169fd0c34a82960a0bb0974ccf4a656310 /include/linux/serial_8250.h
parenttty: Make ldisc ->set_termios() old ktermios const (diff)
downloadlinux-dev-bec5b814d46c2a704c3c8148752e62a33e9fa6dc.tar.xz
linux-dev-bec5b814d46c2a704c3c8148752e62a33e9fa6dc.zip
serial: Make ->set_termios() old ktermios const
There should be no reason to adjust old ktermios which is going to get discarded anyway. Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com> Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com> Link: https://lore.kernel.org/r/20220816115739.10928-7-ilpo.jarvinen@linux.intel.com Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'include/linux/serial_8250.h')
-rw-r--r--include/linux/serial_8250.h4
1 files changed, 2 insertions, 2 deletions
diff --git a/include/linux/serial_8250.h b/include/linux/serial_8250.h
index 8c7b793aa4d7..43edd10e8c96 100644
--- a/include/linux/serial_8250.h
+++ b/include/linux/serial_8250.h
@@ -32,7 +32,7 @@ struct plat_serial8250_port {
void (*serial_out)(struct uart_port *, int, int);
void (*set_termios)(struct uart_port *,
struct ktermios *new,
- struct ktermios *old);
+ const struct ktermios *old);
void (*set_ldisc)(struct uart_port *,
struct ktermios *);
unsigned int (*get_mctrl)(struct uart_port *);
@@ -157,7 +157,7 @@ extern int early_serial8250_setup(struct earlycon_device *device,
extern void serial8250_update_uartclk(struct uart_port *port,
unsigned int uartclk);
extern void serial8250_do_set_termios(struct uart_port *port,
- struct ktermios *termios, struct ktermios *old);
+ struct ktermios *termios, const struct ktermios *old);
extern void serial8250_do_set_ldisc(struct uart_port *port,
struct ktermios *termios);
extern unsigned int serial8250_do_get_mctrl(struct uart_port *port);