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Commit ba899dbc authored by Russell King's avatar Russell King Committed by Russell King
Browse files

[SERIAL] Make port->ops constant 



No one should write to the port->ops structure, so make it constant.

Signed-off-by: default avatarRussell King <rmk+kernel@arm.linux.org.uk>
parent ca740803

drivers/serial/serial_core.c

+2 −2
Original line number Diff line number Diff line
@@ -1870,7 +1870,7 @@ int uart_suspend_port(struct uart_driver *drv, struct uart_port *port) 
	mutex_lock(&state->mutex);



	if (state->info && state->info->flags & UIF_INITIALIZED) {

		struct uart_ops *ops = port->ops;

		const struct uart_ops *ops = port->ops;



		spin_lock_irq(&port->lock);

		ops->stop_tx(port);
@@ -1932,7 +1932,7 @@ int uart_resume_port(struct uart_driver *drv, struct uart_port *port) 
	}



	if (state->info && state->info->flags & UIF_INITIALIZED) {

		struct uart_ops *ops = port->ops;

		const struct uart_ops *ops = port->ops;

		int ret;



		ops->set_mctrl(port, 0);

include/linux/serial_core.h

+1 −1
Original line number Diff line number Diff line
@@ -257,7 +257,7 @@ struct uart_port { 
	unsigned int		mctrl;			/* current modem ctrl settings */

	unsigned int		timeout;		/* character-based timeout */

	unsigned int		type;			/* port type */

	struct uart_ops		*ops;

	const struct uart_ops	*ops;

	unsigned int		custom_divisor;

	unsigned int		line;			/* port index */

	unsigned long		mapbase;		/* for ioremap */