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tty: serial: lpc32xx_hs: don't call tty_flip_buffer_push() twice

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serial_lpc32xx_interrupt() calls __serial_lpc32xx_rx() first and then
tty_flip_buffer_push() immediately after that. But last statement of
__serial_lpc32xx_rx() already called tty_flip_buffer_push()..

So, probably its not required to be called twice. Lets remove one of them.

Signed-off-by: Viresh Kumar <viresh.kumar@linaro.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Viresh Kumar 2013-08-19 20:14:14 +05:30 committed by Greg Kroah-Hartman
parent 5faf75d7fe
commit 97f2c4289c
1 changed files with 1 additions and 3 deletions
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4
drivers/tty/serial/lpc32xx_hs.c
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@ -351,10 +351,8 @@ static irqreturn_t serial_lpc32xx_interrupt(int irq, void *dev_id)
}
/* Data received? */
if (status & (LPC32XX_HSU_RX_TIMEOUT_INT | LPC32XX_HSU_RX_TRIG_INT)) {
if (status & (LPC32XX_HSU_RX_TIMEOUT_INT | LPC32XX_HSU_RX_TRIG_INT))
__serial_lpc32xx_rx(port);
tty_flip_buffer_push(tport);
}
/* Transmit data request? */
if ((status & LPC32XX_HSU_TX_INT) && (!uart_tx_stopped(port))) {