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serial: speed setup failure reporting 

Invalid speeds are forced to 9600. Update the code for this to encode new
style baud rates properly.

Signed-off-by: Alan Cox <alan@redhat.com>
Cc: Russell King <rmk@arm.linux.org.uk>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
hifive-unleashed-5.1
Alan Cox 2008-02-04 22:27:53 -08:00 committed by Linus Torvalds
parent c8c6bfa39d
commit 6d4d67beb9
1 changed files with 3 additions and 2 deletions
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5
drivers/serial/serial_core.c
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@ -371,7 +371,8 @@ uart_get_baud_rate(struct uart_port *port, struct ktermios *termios,
*/
termios->c_cflag &= ~CBAUD;
if (old) {
termios->c_cflag |= old->c_cflag & CBAUD;
baud = tty_termios_baud_rate(old);
tty_termios_encode_baud_rate(termios, baud, baud);
old = NULL;
continue;
}
@ -380,7 +381,7 @@ uart_get_baud_rate(struct uart_port *port, struct ktermios *termios,
* As a last resort, if the quotient is zero,
* default to 9600 bps
*/
termios->c_cflag |= B9600;
tty_termios_encode_baud_rate(termios, 9600, 9600);
}
return 0;