ehci: move ehci_flush_qh

Move ehci_flush_qh() function up in the source code.
No code change.

Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>

1 files changed, 18 insertions, 17 deletions

diff --git a/hw/usb/hcd-ehci.c b/hw/usb/hcd-ehci.c
index d7131bd4d1..f21b4bec9f 100644
--- a/hw/usb/hcd-ehci.c
+++ b/hw/usb/hcd-ehci.c
@@ -1553,6 +1553,24 @@ static int ehci_process_itd(EHCIState *ehci,
     return 0;
 }
 
+
+/*
+ *  Write the qh back to guest physical memory.  This step isn't
+ *  in the EHCI spec but we need to do it since we don't share
+ *  physical memory with our guest VM.
+ *
+ *  The first three dwords are read-only for the EHCI, so skip them
+ *  when writing back the qh.
+ */
+static void ehci_flush_qh(EHCIQueue *q)
+{
+    uint32_t *qh = (uint32_t *) &q->qh;
+    uint32_t dwords = sizeof(EHCIqh) >> 2;
+    uint32_t addr = NLPTR_GET(q->qhaddr);
+
+    put_dwords(q->ehci, addr + 3 * sizeof(uint32_t), qh + 3, dwords - 3);
+}
+
 /*  This state is the entry point for asynchronous schedule
  *  processing.  Entry here consitutes a EHCI start event state (4.8.5)
  */
@@ -1869,23 +1887,6 @@ static int ehci_state_horizqh(EHCIQueue *q, int async)
     return again;
 }
 
-/*
- *  Write the qh back to guest physical memory.  This step isn't
- *  in the EHCI spec but we need to do it since we don't share
- *  physical memory with our guest VM.
- *
- *  The first three dwords are read-only for the EHCI, so skip them
- *  when writing back the qh.
- */
-static void ehci_flush_qh(EHCIQueue *q)
-{
-    uint32_t *qh = (uint32_t *) &q->qh;
-    uint32_t dwords = sizeof(EHCIqh) >> 2;
-    uint32_t addr = NLPTR_GET(q->qhaddr);
-
-    put_dwords(q->ehci, addr + 3 * sizeof(uint32_t), qh + 3, dwords - 3);
-}
-
 static int ehci_state_execute(EHCIQueue *q, int async)
 {
     EHCIPacket *p = QTAILQ_FIRST(&q->packets);