usb: ehci: Add missing cache flush to destroy_int_queue

Signed-off-by: Hans de Goede <hdegoede@redhat.com>

diff --git a/drivers/usb/host/ehci-hcd.c b/drivers/usb/host/ehci-hcd.c
index 41af302..1a0ddc3 100644 (file)
--- a/drivers/usb/host/ehci-hcd.c
+++ b/drivers/usb/host/ehci-hcd.c
@@ -1342,6 +1342,8 @@ destroy_int_queue(struct usb_device *dev, struct int_queue *queue)
                if (NEXT_QH(cur) == queue->first) {
                        debug("found candidate. removing from chain\n");
                        cur->qh_link = queue->last->qh_link;
+                       flush_dcache_range((uint32_t)cur,
+                                          ALIGN_END_ADDR(struct QH, cur, 1));
                        result = 0;
                        break;
                }