1 files changed, 4 insertions, 1 deletions

diff --git a/drivers/video/pxafb.c b/drivers/video/pxafb.c
index 97204497d9f7..cc59c52e1103 100644
--- a/drivers/video/pxafb.c
+++ b/drivers/video/pxafb.c
@@ -804,6 +804,9 @@ static int pxafb_smart_thread(void *arg)
 
 static int pxafb_smart_init(struct pxafb_info *fbi)
 {
+        if (!(fbi->lccr0 | LCCR0_LCDT))
+                return 0;
+
         fbi->smart_thread = kthread_run(pxafb_smart_thread, fbi,
                                         "lcd_refresh");
         if (IS_ERR(fbi->smart_thread)) {
@@ -1372,7 +1375,7 @@ static void pxafb_decode_mach_info(struct pxafb_info *fbi,
         fbi->cmap_inverse       = inf->cmap_inverse;
         fbi->cmap_static        = inf->cmap_static;
 
-        switch (lcd_conn & 0xf) {
+        switch (lcd_conn & LCD_TYPE_MASK) {
         case LCD_TYPE_MONO_STN:
                 fbi->lccr0 = LCCR0_CMS;
                 break;