diff options
author | David S. Miller <davem@davemloft.net> | 2005-04-21 22:18:03 -0700 |
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committer | David S. Miller <davem@sunset.davemloft.net> | 2005-04-21 22:18:03 -0700 |
commit | b179fb8ca57590eeb0a5d6c8dc99f91773f09c73 (patch) | |
tree | 34490b121e2be5ff1635cdaeaf27f738e7c4bb24 /drivers | |
parent | 623f41eb923d7f34888cbd9e4f50a7b1a79d0ae5 (diff) | |
download | linux-b179fb8ca57590eeb0a5d6c8dc99f91773f09c73.tar.bz2 |
[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: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers')
-rw-r--r-- | drivers/serial/sunsab.c | 16 |
1 files changed, 11 insertions, 5 deletions
diff --git a/drivers/serial/sunsab.c b/drivers/serial/sunsab.c index 8caaf2e5e47c..39b788d95e39 100644 --- a/drivers/serial/sunsab.c +++ b/drivers/serial/sunsab.c @@ -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); |