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tty: tty port zero baud open
If we have no speed set at some point then we should not raise DTR/RTS at that point when opening as the tty is not ready Signed-off-by: Alan Cox <alan@redhat.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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@ -216,7 +216,8 @@ int tty_port_block_til_ready(struct tty_port *port,
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while (1) {
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/* Indicate we are open */
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tty_port_raise_dtr_rts(port);
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if (tty->termios->c_cflag & CBAUD)
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tty_port_raise_dtr_rts(port);
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set_current_state(TASK_INTERRUPTIBLE);
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/* Check for a hangup or uninitialised port. Return accordingly */
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