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[PULL,09/26] char/serial: serial_ioport_write: Factor out common code

Message ID 1371207042-17980-10-git-send-email-mjt@msgid.tls.msk.ru
State New
Headers show

Commit Message

Michael Tokarev June 14, 2013, 10:50 a.m. UTC 
From: Peter Crosthwaite <peter.crosthwaite@xilinx.com>

These three lines are common to both FIFO and regular mode. Just factor
them out to outside the if rather than replicate the same lines inside
both if and else.

Cc: qemu-trivial@nongnu.org

Signed-off-by: Peter Crosthwaite <peter.crosthwaite@xilinx.com>
Reviewed-by: Andreas Färber <afaerber@suse.de>
Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
---
 hw/char/serial.c |   10 +++-------
 1 file changed, 3 insertions(+), 7 deletions(-)
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Patch

diff --git a/hw/char/serial.c b/hw/char/serial.c
index 0a2b6c9..017610e 100644
--- a/hw/char/serial.c
+++ b/hw/char/serial.c
@@ -285,15 +285,11 @@  static void serial_ioport_write(void *opaque, hwaddr addr, uint64_t val,
                     fifo8_pop(&s->xmit_fifo);
                 }
                 fifo8_push(&s->xmit_fifo, s->thr);
-                s->thr_ipending = 0;
                 s->lsr &= ~UART_LSR_TEMT;
-                s->lsr &= ~UART_LSR_THRE;
-                serial_update_irq(s);
-            } else {
-                s->thr_ipending = 0;
-                s->lsr &= ~UART_LSR_THRE;
-                serial_update_irq(s);
             }
+            s->thr_ipending = 0;
+            s->lsr &= ~UART_LSR_THRE;
+            serial_update_irq(s);
             serial_xmit(NULL, G_IO_OUT, s);
         }
         break;