Commit b179fb8c authored by David S. Miller's avatar David S. Miller Committed by David S. Miller
Browse files

[SPARC64]: In sunsab driver, make sure to set the uart timeout. 



This breaks serial consoles badly.  Thanks to Eric Brower
for tracking down the problem.

Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 623f41eb

drivers/serial/sunsab.c

+11 −5
Original line number Diff line number Diff line
@@ -682,7 +682,8 @@ static void calc_ebrg(int baud, int *n_ret, int *m_ret) 


/* Internal routine, port->lock is held and local interrupts are disabled.  */

static void sunsab_convert_to_sab(struct uart_sunsab_port *up, unsigned int cflag,

				  unsigned int iflag, int baud)

				  unsigned int iflag, unsigned int baud,

				  unsigned int quot)

{

	unsigned int ebrg;

	unsigned char dafo;
@@ -766,6 +767,9 @@ static void sunsab_convert_to_sab(struct uart_sunsab_port *up, unsigned int cfla 
		up->port.ignore_status_mask |= (SAB82532_ISR0_RPF |

						SAB82532_ISR0_TCD);



	uart_update_timeout(&up->port, cflag,

			    (up->port.uartclk / (16 * quot)));



	/* Now bang the new settings into the chip.  */

	sunsab_cec_wait(up);

	sunsab_tec_wait(up);
@@ -784,10 +788,11 @@ static void sunsab_set_termios(struct uart_port *port, struct termios *termios, 
{

	struct uart_sunsab_port *up = (struct uart_sunsab_port *) port;

	unsigned long flags;

	int baud = uart_get_baud_rate(port, termios, old, 0, 4000000);

	unsigned int baud = uart_get_baud_rate(port, termios, old, 0, 4000000);

	unsigned int quot = uart_get_divisor(port, baud);



	spin_lock_irqsave(&up->port.lock, flags);

	sunsab_convert_to_sab(up, termios->c_cflag, termios->c_iflag, baud);

	sunsab_convert_to_sab(up, termios->c_cflag, termios->c_iflag, baud, quot);

	spin_unlock_irqrestore(&up->port.lock, flags);

}
@@ -880,7 +885,7 @@ static int sunsab_console_setup(struct console *con, char *options) 
{

	struct uart_sunsab_port *up = &sunsab_ports[con->index];

	unsigned long flags;

	int baud;

	unsigned int baud, quot;



	printk("Console: ttyS%d (SAB82532)\n",

	       (sunsab_reg.minor - 64) + con->index);
@@ -926,7 +931,8 @@ static int sunsab_console_setup(struct console *con, char *options) 
				SAB82532_IMR1_XPR;

	writeb(up->interrupt_mask1, &up->regs->w.imr1);



	sunsab_convert_to_sab(up, con->cflag, 0, baud);

	quot = uart_get_divisor(&up->port, baud);

	sunsab_convert_to_sab(up, con->cflag, 0, baud, quot);

	sunsab_set_mctrl(&up->port, TIOCM_DTR | TIOCM_RTS);



	spin_unlock_irqrestore(&up->port.lock, flags);