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path: root/drivers/usb/gadget/fusb300_udc.c
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Diffstat (limited to 'drivers/usb/gadget/fusb300_udc.c')
-rw-r--r--drivers/usb/gadget/fusb300_udc.c69
1 files changed, 1 insertions, 68 deletions
diff --git a/drivers/usb/gadget/fusb300_udc.c b/drivers/usb/gadget/fusb300_udc.c
index 06353e7ba1fb..4739f5baa363 100644
--- a/drivers/usb/gadget/fusb300_udc.c
+++ b/drivers/usb/gadget/fusb300_udc.c
@@ -767,56 +767,6 @@ static void fusb300_rdfifo(struct fusb300_ep *ep,
} while (!reg);
}
-/* write data to fifo */
-static void fusb300_wrfifo(struct fusb300_ep *ep,
- struct fusb300_request *req)
-{
- int i = 0;
- u8 *tmp;
- u32 data, reg;
- struct fusb300 *fusb300 = ep->fusb300;
-
- tmp = req->req.buf;
- req->req.actual = req->req.length;
-
- for (i = (req->req.length >> 2); i > 0; i--) {
- data = *tmp | *(tmp + 1) << 8 |
- *(tmp + 2) << 16 | *(tmp + 3) << 24;
-
- iowrite32(data, fusb300->reg +
- FUSB300_OFFSET_EPPORT(ep->epnum));
- tmp += 4;
- }
-
- switch (req->req.length % 4) {
- case 1:
- data = *tmp;
- iowrite32(data, fusb300->reg +
- FUSB300_OFFSET_EPPORT(ep->epnum));
- break;
- case 2:
- data = *tmp | *(tmp + 1) << 8;
- iowrite32(data, fusb300->reg +
- FUSB300_OFFSET_EPPORT(ep->epnum));
- break;
- case 3:
- data = *tmp | *(tmp + 1) << 8 | *(tmp + 2) << 16;
- iowrite32(data, fusb300->reg +
- FUSB300_OFFSET_EPPORT(ep->epnum));
- break;
- default:
- break;
- }
-
- do {
- reg = ioread32(fusb300->reg + FUSB300_OFFSET_IGR1);
- reg &= FUSB300_IGR1_SYNF0_EMPTY_INT;
- if (i)
- printk(KERN_INFO"sync fifo is not empty!\n");
- i++;
- } while (!reg);
-}
-
static u8 fusb300_get_epnstall(struct fusb300 *fusb300, u8 ep)
{
u8 value;
@@ -1024,17 +974,6 @@ static int setup_packet(struct fusb300 *fusb300, struct usb_ctrlrequest *ctrl)
return ret;
}
-static void fusb300_set_ep_bycnt(struct fusb300_ep *ep, u32 bycnt)
-{
- struct fusb300 *fusb300 = ep->fusb300;
- u32 reg = ioread32(fusb300->reg + FUSB300_OFFSET_EPFFR(ep->epnum));
-
- reg &= ~FUSB300_FFR_BYCNT;
- reg |= bycnt & FUSB300_FFR_BYCNT;
-
- iowrite32(reg, fusb300->reg + FUSB300_OFFSET_EPFFR(ep->epnum));
-}
-
static void done(struct fusb300_ep *ep, struct fusb300_request *req,
int status)
{
@@ -1143,14 +1082,8 @@ static void in_ep_fifo_handler(struct fusb300_ep *ep)
struct fusb300_request *req = list_entry(ep->queue.next,
struct fusb300_request, queue);
- if (req->req.length) {
-#if 0
- fusb300_set_ep_bycnt(ep, req->req.length);
- fusb300_wrfifo(ep, req);
-#else
+ if (req->req.length)
fusb300_set_idma(ep, req);
-#endif
- }
done(ep, req, 0);
}