Change control handling to start expecting host packets before sending data to the host. This makes the handling less timing sensitive on some controllers

git-svn-id: svn://svn.rockbox.org/rockbox/trunk@23263 a1c6a512-1295-4272-9138-f99709370657

1 files changed, 1 insertions, 1 deletions

diff --git a/firmware/usbstack/usb_storage.c b/firmware/usbstack/usb_storage.c
index 4ca4366e79..d16277a5f1 100644
--- a/firmware/usbstack/usb_storage.c
+++ b/firmware/usbstack/usb_storage.c
@@ -659,8 +659,8 @@ bool usb_storage_control_request(struct usb_ctrlrequest* req, unsigned char* des
             *tb.max_lun --;
 #endif
             logf("ums: getmaxlun");
-            usb_drv_send(EP_CONTROL, tb.max_lun, 1);
             usb_drv_recv(EP_CONTROL, NULL, 0); /* ack */
+            usb_drv_send(EP_CONTROL, tb.max_lun, 1);
             handled = true;
             break;
         }