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-rw-r--r--hw/display/artist.c9
1 files changed, 6 insertions, 3 deletions
diff --git a/hw/display/artist.c b/hw/display/artist.c
index 955296d3d8..80cd66e41d 100644
--- a/hw/display/artist.c
+++ b/hw/display/artist.c
@@ -22,9 +22,12 @@
 #include "ui/console.h"
 #include "trace.h"
 #include "framebuffer.h"
+#include "qom/object.h"
 
 #define TYPE_ARTIST "artist"
-#define ARTIST(obj) OBJECT_CHECK(ARTISTState, (obj), TYPE_ARTIST)
+typedef struct ARTISTState ARTISTState;
+DECLARE_INSTANCE_CHECKER(ARTISTState, ARTIST,
+                         TYPE_ARTIST)
 
 #ifdef HOST_WORDS_BIGENDIAN
 #define ROP8OFF(_i) (3 - (_i))
@@ -40,7 +43,7 @@ struct vram_buffer {
     unsigned int height;
 };
 
-typedef struct ARTISTState {
+struct ARTISTState {
     SysBusDevice parent_obj;
 
     QemuConsole *con;
@@ -103,7 +106,7 @@ typedef struct ARTISTState {
     uint32_t font_write_pos_y;
 
     int draw_line_pattern;
-} ARTISTState;
+};
 
 typedef enum {
     ARTIST_BUFFER_AP = 1,