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serial: clear LSR.TEMT when populating the TSR

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We never actually clear the TEMT (transmit sending register empty) flag when
populating the TSR.  We set the flag, but since it's never cleared, setting it
is sort of pointless..

I found this with a unit test case.

Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
This commit is contained in:
Anthony Liguori 2012-04-01 14:18:30 -05:00
parent 67c5322d70
commit dfe844c904
1 changed files with 1 additions and 0 deletions
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1
hw/serial.c
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@ -332,6 +332,7 @@ static void serial_xmit(void *opaque)
} else {
s->tsr = s->thr;
s->lsr |= UART_LSR_THRE;
s->lsr &= ~UART_LSR_TEMT;
}
}