Commit 7c4fc082 authored by Andy Shevchenko's avatar Andy Shevchenko Committed by Greg Kroah-Hartman
Browse files

serial: 8250_lpss: Extract dw8250_do_set_termios() for common use 



Some of the code currently used in dw8250_set_termios(), byt_set_termios()
may be reused by other methods in the future. Extract it to a common helper
function.

Signed-off-by: default avatarAndy Shevchenko <andriy.shevchenko@linux.intel.com>
Link: https://lore.kernel.org/r/20211005133026.21488-1-andriy.shevchenko@linux.intel.com


Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent 0eb9da9c

drivers/tty/serial/8250/8250_dw.c

+1 −5
Original line number Diff line number Diff line
@@ -350,11 +350,7 @@ static void dw8250_set_termios(struct uart_port *p, struct ktermios *termios, 
	}

	clk_prepare_enable(d->clk);



	p->status &= ~UPSTAT_AUTOCTS;

	if (termios->c_cflag & CRTSCTS)

		p->status |= UPSTAT_AUTOCTS;



	serial8250_do_set_termios(p, termios, old);

	dw8250_do_set_termios(p, termios, old);

}



static void dw8250_set_ldisc(struct uart_port *p, struct ktermios *termios)

drivers/tty/serial/8250/8250_dwlib.c

+10 −0
Original line number Diff line number Diff line
@@ -77,6 +77,16 @@ static void dw8250_set_divisor(struct uart_port *p, unsigned int baud, 
	serial8250_do_set_divisor(p, baud, quot, quot_frac);

}



void dw8250_do_set_termios(struct uart_port *p, struct ktermios *termios, struct ktermios *old)

{

	p->status &= ~UPSTAT_AUTOCTS;

	if (termios->c_cflag & CRTSCTS)

		p->status |= UPSTAT_AUTOCTS;



	serial8250_do_set_termios(p, termios, old);

}

EXPORT_SYMBOL_GPL(dw8250_do_set_termios);



void dw8250_setup_port(struct uart_port *p)

{

	struct uart_8250_port *up = up_to_u8250p(p);

drivers/tty/serial/8250/8250_dwlib.h

+1 −0
Original line number Diff line number Diff line
@@ -16,4 +16,5 @@ struct dw8250_port_data { 
	u8			dlf_size;

};



void dw8250_do_set_termios(struct uart_port *p, struct ktermios *termios, struct ktermios *old);

void dw8250_setup_port(struct uart_port *p);

drivers/tty/serial/8250/8250_lpss.c

+1 −5
Original line number Diff line number Diff line
@@ -100,11 +100,7 @@ static void byt_set_termios(struct uart_port *p, struct ktermios *termios, 
	reg |= BYT_PRV_CLK_EN | BYT_PRV_CLK_UPDATE;

	writel(reg, p->membase + BYT_PRV_CLK);



	p->status &= ~UPSTAT_AUTOCTS;

	if (termios->c_cflag & CRTSCTS)

		p->status |= UPSTAT_AUTOCTS;



	serial8250_do_set_termios(p, termios, old);

	dw8250_do_set_termios(p, termios, old);

}



static unsigned int byt_get_mctrl(struct uart_port *port)