diff options
Diffstat (limited to 'drivers/usb/gadget')
| -rw-r--r-- | drivers/usb/gadget/fsl_udc_core.c | 2 | ||||
| -rw-r--r-- | drivers/usb/gadget/u_ether.c | 12 |
2 files changed, 8 insertions, 6 deletions
diff --git a/drivers/usb/gadget/fsl_udc_core.c b/drivers/usb/gadget/fsl_udc_core.c index 5308381..44d789d 100644 --- a/drivers/usb/gadget/fsl_udc_core.c +++ b/drivers/usb/gadget/fsl_udc_core.c @@ -717,6 +717,8 @@ static void fsl_queue_td(struct fsl_ep *ep, struct fsl_req *req) lastreq = list_entry(ep->queue.prev, struct fsl_req, queue); lastreq->tail->next_td_ptr = cpu_to_hc32(req->head->td_dma & DTD_ADDR_MASK); + /* Ensure dTD's next dtd pointer to be updated */ + wmb(); /* Read prime bit, if 1 goto done */ if (fsl_readl(&dr_regs->endpointprime) & bitmask) goto out; diff --git a/drivers/usb/gadget/u_ether.c b/drivers/usb/gadget/u_ether.c index dc73af8..294536c 100644 --- a/drivers/usb/gadget/u_ether.c +++ b/drivers/usb/gadget/u_ether.c @@ -848,12 +848,6 @@ int gether_setup_name(struct usb_gadget *g, u8 ethaddr[ETH_ALEN], SET_ETHTOOL_OPS(net, &ops); - /* two kinds of host-initiated state changes: - * - iff DATA transfer is active, carrier is "on" - * - tx queueing enabled if open *and* carrier is "on" - */ - netif_carrier_off(net); - dev->gadget = g; SET_NETDEV_DEV(net, &g->dev); SET_NETDEV_DEVTYPE(net, &gadget_type); @@ -867,6 +861,12 @@ int gether_setup_name(struct usb_gadget *g, u8 ethaddr[ETH_ALEN], INFO(dev, "HOST MAC %pM\n", dev->host_mac); the_dev = dev; + + /* two kinds of host-initiated state changes: + * - iff DATA transfer is active, carrier is "on" + * - tx queueing enabled if open *and* carrier is "on" + */ + netif_carrier_off(net); } return status; |