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Diffstat (limited to 'hw/s390x/css.c')
-rw-r--r--hw/s390x/css.c3
1 files changed, 1 insertions, 2 deletions
diff --git a/hw/s390x/css.c b/hw/s390x/css.c
index 56c3fa8c89..39ae5bbf7e 100644
--- a/hw/s390x/css.c
+++ b/hw/s390x/css.c
@@ -1204,8 +1204,7 @@ static IOInstEnding sch_handle_start_func_passthrough(SubchDev *sch)
      * Only support prefetch enable mode.
      * Only support 64bit addressing idal.
      */
-    if (!(orb->ctrl0 & ORB_CTRL0_MASK_PFCH) ||
-        !(orb->ctrl0 & ORB_CTRL0_MASK_C64)) {
+    if (!(orb->ctrl0 & ORB_CTRL0_MASK_C64)) {
         warn_report("vfio-ccw requires PFCH and C64 flags set");
         sch_gen_unit_exception(sch);
         css_inject_io_interrupt(sch);