Merge branch 'x86-asm-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git...

[sfrench/cifs-2.6.git] / drivers / serial / nwpserial.c

diff --git a/drivers/serial/nwpserial.c b/drivers/serial/nwpserial.c
index 32f3eaf0d262942dd2708c59cfe875fb88e69743..9e150b19d72678d6592a50cb34f6d2da29d899c3 100644 (file)
--- a/drivers/serial/nwpserial.c
+++ b/drivers/serial/nwpserial.c
@@ -145,11 +145,13 @@ static irqreturn_t nwpserial_interrupt(int irq, void *dev_id)
                ch = dcr_read(up->dcr_host, UART_RX);
                if (up->port.ignore_status_mask != NWPSERIAL_STATUS_RXVALID)
                        tty_insert_flip_char(tty, ch, TTY_NORMAL);
-       } while (dcr_read(up->dcr_host, UART_RX) & UART_LSR_DR);
+       } while (dcr_read(up->dcr_host, UART_LSR) & UART_LSR_DR);
 
        tty_flip_buffer_push(tty);
        ret = IRQ_HANDLED;
 
+       /* clear interrupt */
+       dcr_write(up->dcr_host, UART_IIR, 1);
 out:
        spin_unlock(&up->port.lock);
        return ret;