serial: move delta_msr_wait into the tty_port
This is used by various drivers not just serial and can be extracted as commonality Signed-off-by: Alan Cox <alan@linux.intel.com>
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@@ -297,7 +297,7 @@ static void check_status(struct uart_sunsab_port *up,
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up->port.icount.dsr++;
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}
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wake_up_interruptible(&up->port.state->delta_msr_wait);
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wake_up_interruptible(&up->port.state->port.delta_msr_wait);
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}
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static irqreturn_t sunsab_interrupt(int irq, void *dev_id)
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