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authorJames Morris <jmorris@namei.org>2009-05-22 18:40:59 +1000
committerJames Morris <jmorris@namei.org>2009-05-22 18:40:59 +1000
commit2c9e703c618106f5383226fbb1f526cb11034f8a (patch)
tree87d7548001ea82f655fede0640466fc16aabcdf7 /drivers/serial/nwpserial.c
parent6470c077cae12227318f40f3e6d756caadcce4b0 (diff)
parent5805977e63a36ad56594a623f3bd2bebcb7db233 (diff)
Merge branch 'master' into next
Conflicts: fs/exec.c Removed IMA changes (the IMA checks are now performed via may_open()). Signed-off-by: James Morris <jmorris@namei.org>
Diffstat (limited to 'drivers/serial/nwpserial.c')
-rw-r--r--drivers/serial/nwpserial.c4
1 files changed, 3 insertions, 1 deletions
diff --git a/drivers/serial/nwpserial.c b/drivers/serial/nwpserial.c
index 32f3eaf0d26..9e150b19d72 100644
--- 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;