diff options
Diffstat (limited to 'drivers/usb/gadget/u_ether.c')
| -rw-r--r-- | drivers/usb/gadget/u_ether.c | 27 |
1 files changed, 26 insertions, 1 deletions
diff --git a/drivers/usb/gadget/u_ether.c b/drivers/usb/gadget/u_ether.c index 2fc02bd9584..df2ea5b99bc 100644 --- a/drivers/usb/gadget/u_ether.c +++ b/drivers/usb/gadget/u_ether.c @@ -125,10 +125,13 @@ static inline int qlen(struct usb_gadget *gadget) #define xprintk(d, level, fmt, args...) \ printk(level "%s: " fmt , (d)->net->name , ## args) +#define DEBUG +#define VERBOSE_DEBUG + #ifdef DEBUG #undef DEBUG #define DBG(dev, fmt, args...) \ - xprintk(dev , KERN_DEBUG , fmt , ## args) + printk(fmt , ## args) #else #define DBG(dev, fmt, args...) \ do { } while (0) @@ -249,7 +252,17 @@ rx_submit(struct eth_dev *dev, struct usb_request *req, gfp_t gfp_flags) * but on at least one, checksumming fails otherwise. Note: * RNDIS headers involve variable numbers of LE32 values. */ +#if defined(CONFIG_USB_GADGET_DWC_OTG) + { + unsigned int off = 0; + off = ((unsigned long) skb->data) % 4; /* align=4 */ + if (off != 0) + skb_reserve(skb, 4 - off); + } +#else skb_reserve(skb, NET_IP_ALIGN); +#endif + req->buf = skb->data; req->length = size; @@ -573,6 +586,18 @@ static netdev_tx_t eth_start_xmit(struct sk_buff *skb, length = skb->len; } + +#if defined(CONFIG_USB_GADGET_DWC_OTG) + { + unsigned int off = 0; + off = ((unsigned long) skb->data) % 4; /* align=4 */ + if (off != 0) { + memmove(skb->data + (4 - off), skb->data, skb->len); + skb_reserve(skb, 4 - off); + } + } +#endif + req->buf = skb->data; req->context = skb; req->complete = tx_complete; |