From: Patrick Gefre Allow hardware flow control to be set from an ioctl. Signed-off-by: Patrick Gefre Signed-off-by: Andrew Morton --- drivers/serial/ioc4_serial.c | 11 ++++------- 1 files changed, 4 insertions(+), 7 deletions(-) diff -puN drivers/serial/ioc4_serial.c~altix-ioc4-serial-set-hfc-from-ioctl drivers/serial/ioc4_serial.c --- 25/drivers/serial/ioc4_serial.c~altix-ioc4-serial-set-hfc-from-ioctl 2005-04-26 20:16:45.174911176 -0700 +++ 25-akpm/drivers/serial/ioc4_serial.c 2005-04-26 20:16:45.181910112 -0700 @@ -1765,8 +1765,11 @@ ioc4_change_speed(struct uart_port *the_ the_port->ignore_status_mask &= ~N_DATA_READY; } - if (cflag & CRTSCTS) + if (cflag & CRTSCTS) { info->flags |= ASYNC_CTS_FLOW; + port->ip_sscr |= IOC4_SSCR_HFC_EN; + writel(port->ip_sscr, &port->ip_serial_regs->sscr); + } else info->flags &= ~ASYNC_CTS_FLOW; @@ -1825,12 +1828,6 @@ static inline int ic4_startup_local(stru /* set the speed of the serial port */ ioc4_change_speed(the_port, info->tty->termios, (struct termios *)0); - /* enable hardware flow control - after ioc4_change_speed because - * ASYNC_CTS_FLOW is set there */ - if (info->flags & ASYNC_CTS_FLOW) { - port->ip_sscr |= IOC4_SSCR_HFC_EN; - writel(port->ip_sscr, &port->ip_serial_regs->sscr); - } info->flags |= UIF_INITIALIZED; return 0; } _