char: replace PROP_CHR with CharBackend

Store the property in a CharBackend instead of CharDriverState*.  This
also replace systematically chr by chr.chr to access the
CharDriverState*. The following patches will replace it with calls to
qemu_chr_fe CharBackend functions.

Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Message-Id: <20161022095318.17775-12-marcandre.lureau@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>

1 files changed, 2 insertions, 1 deletions

diff --git a/include/hw/char/serial.h b/include/hw/char/serial.h
index 4f3b73c453..c3312fb9a6 100644
--- a/include/hw/char/serial.h
+++ b/include/hw/char/serial.h
@@ -30,6 +30,7 @@
 #include "sysemu/sysemu.h"
 #include "exec/memory.h"
 #include "qemu/fifo8.h"
+#include "sysemu/char.h"
 
 #define UART_FIFO_LENGTH    16      /* 16550A Fifo Length */
 
@@ -52,7 +53,7 @@ struct SerialState {
        it can be reset while reading iir */
     int thr_ipending;
     qemu_irq irq;
-    CharDriverState *chr;
+    CharBackend chr;
     int last_break_enable;
     int it_shift;
     int baudbase;