diff options
Diffstat (limited to 'drivers/usb/gadget/arcotg_udc.c')
| -rw-r--r-- | drivers/usb/gadget/arcotg_udc.c | 46 |
1 files changed, 0 insertions, 46 deletions
diff --git a/drivers/usb/gadget/arcotg_udc.c b/drivers/usb/gadget/arcotg_udc.c index 7c3d19c2ee2f..ef4866136001 100644 --- a/drivers/usb/gadget/arcotg_udc.c +++ b/drivers/usb/gadget/arcotg_udc.c @@ -838,49 +838,6 @@ static void arcotg_free_request(struct usb_ep *_ep, struct usb_request *_req) kfree(req); } -/*! - * Allocate an I/O buffer for the ep->req->buf. - * @param _ep endpoint pointer - * @param bytes length of the desired buffer - * @param dma pointer to the buffer's DMA address; must be valid - * when gadget layer calls this function, ma is &req->dma - * @param gfp_flags GFP_* flags to use - * @return Returns a new buffer, or null if one could not be allocated - */ -static void *arcotg_alloc_buffer(struct usb_ep *_ep, unsigned bytes, - dma_addr_t * dma, gfp_t gfp_flags) -{ - void *retval = NULL; - - if (!bytes) - return 0; - - retval = kmalloc(bytes, gfp_flags); - - if (retval) - *dma = virt_to_phys(retval); - - pr_debug("udc: ep=%s buffer=0x%p dma=0x%x len=%d\n", - _ep->name, retval, *dma, bytes); - - return retval; -} - -/*! - * Free an I/O buffer for the ep->req->buf - * @param _ep endpoint pointer - * @param buf data buf pointer - * @param dma for 834x, we will not touch dma field - * @param bytes buffer size - */ -static void arcotg_free_buffer(struct usb_ep *_ep, void *buf, - dma_addr_t dma, unsigned bytes) -{ - pr_debug("udc: buf=0x%p dma=0x%x\n", buf, dma); - if (buf) - kfree(buf); -} - /*-------------------------------------------------------------------------*/ /*! @@ -1346,9 +1303,6 @@ static const struct usb_ep_ops arcotg_ep_ops = { .alloc_request = arcotg_alloc_request, .free_request = arcotg_free_request, - .alloc_buffer = arcotg_alloc_buffer, - .free_buffer = arcotg_free_buffer, - .queue = arcotg_ep_queue, .dequeue = arcotg_ep_dequeue, |