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path: root/drivers/tty/serial/mxs-auart.c
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Diffstat (limited to 'drivers/tty/serial/mxs-auart.c')
-rw-r--r--drivers/tty/serial/mxs-auart.c5
1 files changed, 3 insertions, 2 deletions
diff --git a/drivers/tty/serial/mxs-auart.c b/drivers/tty/serial/mxs-auart.c
index 7e02c9c344f..076169f50b0 100644
--- a/drivers/tty/serial/mxs-auart.c
+++ b/drivers/tty/serial/mxs-auart.c
@@ -145,11 +145,12 @@ static inline void mxs_auart_tx_chars(struct mxs_auart_port *s)
writel(xmit->buf[xmit->tail],
s->port.membase + AUART_DATA);
xmit->tail = (xmit->tail + 1) & (UART_XMIT_SIZE - 1);
- if (uart_circ_chars_pending(xmit) < WAKEUP_CHARS)
- uart_write_wakeup(&s->port);
} else
break;
}
+ if (uart_circ_chars_pending(xmit) < WAKEUP_CHARS)
+ uart_write_wakeup(&s->port);
+
if (uart_circ_empty(&(s->port.state->xmit)))
writel(AUART_INTR_TXIEN,
s->port.membase + AUART_INTR_CLR);