usb: dwc3: drop EP0_STALL state

Whenever we issue a Set Stall command on EP0,
the state machine will be restarted and Stall
is cleared automatically, when core receives
the next SETUP packet.

There's no need to track that EP0_STALL state.

Signed-off-by: Felipe Balbi <balbi@ti.com>

1 files changed, 0 insertions, 2 deletions

diff --git a/drivers/usb/dwc3/ep0.c b/drivers/usb/dwc3/ep0.c
index 618a29e11323..045c278274a5 100644
--- a/drivers/usb/dwc3/ep0.c
+++ b/drivers/usb/dwc3/ep0.c
@@ -68,8 +68,6 @@ static const char *dwc3_ep0_state_string(enum dwc3_ep0_state state)
                 return "Data Phase";
         case EP0_STATUS_PHASE:
                 return "Status Phase";
-        case EP0_STALL:
-                return "Stall";
         default:
                 return "UNKNOWN";
         }