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>
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@ -371,7 +371,8 @@ uart_get_baud_rate(struct uart_port *port, struct ktermios *termios,
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*/
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termios->c_cflag &= ~CBAUD;
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if (old) {
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termios->c_cflag |= old->c_cflag & CBAUD;
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baud = tty_termios_baud_rate(old);
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tty_termios_encode_baud_rate(termios, baud, baud);
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old = NULL;
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continue;
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}
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@ -380,7 +381,7 @@ uart_get_baud_rate(struct uart_port *port, struct ktermios *termios,
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* As a last resort, if the quotient is zero,
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* default to 9600 bps
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*/
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termios->c_cflag |= B9600;
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tty_termios_encode_baud_rate(termios, 9600, 9600);
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}
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return 0;
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