[Qemu-devel] [PATCH] Serial: DOS Plus regression

[Roy Tam]

The commit in r1049 (serial interrupt fix (Hampa Hug)) prevents
booting Digital Research DOSPlus. Following patch partially reverts
that commit and makes DOSPlus booting in QEMU again.

Sign-off-by: Roy Tam <roy...@gmail.com>

--

diff --git a/hw/serial.c b/hw/serial.c
index df67383..cf23aad 100644
--- a/hw/serial.c
+++ b/hw/serial.c
@@ -401,10 +401,6 @@ static void serial_ioport_write(void *opaque,
uint32_t addr, uint32_t val)
                      s->poll_msl = 0;
                 }
             }
-            if (s->lsr & UART_LSR_THRE) {
-                s->thr_ipending = 1;
-                serial_update_irq(s);
-            }
         }
         break;
     case 2: