From: Robert Baldyga <r.baldyga@xxxxxxxxxxx>
Since FIFO is always freed in dwc2_hsotg_ep_disable(), ep->fifo_index
is always 0 in dwc2_hsotg_ep_enable(), hence code inside if() block is
never executed.
Signed-off-by: Robert Baldyga <r.baldyga@xxxxxxxxxxx>
Signed-off-by: John Youn <johnyoun@xxxxxxxxxxxx>
---
drivers/usb/dwc2/gadget.c | 13 +------------
1 file changed, 1 insertion(+), 12 deletions(-)
diff --git a/drivers/usb/dwc2/gadget.c b/drivers/usb/dwc2/gadget.c
index ac267fd..c8a182c 100644
--- a/drivers/usb/dwc2/gadget.c
+++ b/drivers/usb/dwc2/gadget.c
@@ -3043,22 +3043,11 @@ static int dwc2_hsotg_ep_enable(struct usb_ep *ep,
break;
}
- /* If fifo is already allocated for this ep */
- if (hs_ep->fifo_index) {
- size = hs_ep->ep.maxpacket * hs_ep->mc;
- /* If bigger fifo is required deallocate current one */
- if (size > hs_ep->fifo_size) {
- hsotg->fifo_map &= ~(1 << hs_ep->fifo_index);
- hs_ep->fifo_index = 0;
- hs_ep->fifo_size = 0;
- }
- }
-
/*
* if the hardware has dedicated fifos, we must give each IN EP
* a unique tx-fifo even if it is non-periodic.
*/
- if (dir_in && hsotg->dedicated_fifos && !hs_ep->fifo_index) {
+ if (dir_in && hsotg->dedicated_fifos) {
u32 fifo_index = 0;
u32 fifo_size = UINT_MAX;
size = hs_ep->ep.maxpacket*hs_ep->mc;
--
2.9.0
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