tty: simserial: drop unused alt_speed handling

This driver was setting the deprecated and broken alt_speed based on port
flags, but never provided a means to change the flags or to actually
change the speed.

Signed-off-by: Johan Hovold <johan@kernel.org>
Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Reviewed-by: Alan Cox <alan@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Johan Hovold 2017-06-06 12:54:36 +02:00 committed by Greg Kroah-Hartman
parent 83c9a2d1a6
commit 8535796579
1 changed files with 0 additions and 13 deletions

View File

@ -387,19 +387,6 @@ static int activate(struct tty_port *port, struct tty_struct *tty)
}
state->xmit.head = state->xmit.tail = 0;
/*
* Set up the tty->alt_speed kludge
*/
if ((port->flags & ASYNC_SPD_MASK) == ASYNC_SPD_HI)
tty->alt_speed = 57600;
if ((port->flags & ASYNC_SPD_MASK) == ASYNC_SPD_VHI)
tty->alt_speed = 115200;
if ((port->flags & ASYNC_SPD_MASK) == ASYNC_SPD_SHI)
tty->alt_speed = 230400;
if ((port->flags & ASYNC_SPD_MASK) == ASYNC_SPD_WARP)
tty->alt_speed = 460800;
errout:
local_irq_restore(flags);
return retval;