diff options
author | Felipe Balbi <balbi@ti.com> | 2012-07-19 08:53:41 +0300 |
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committer | Felipe Balbi <balbi@ti.com> | 2012-08-03 09:28:25 +0300 |
commit | 4635d3f29864d723a74983339ffc85db212e304b (patch) | |
tree | 31d29640e8dddd739f2399334da76b55f16cfe4a /drivers/usb/dwc3/ep0.c | |
parent | d9b33c605c398df1d42c694bda28fe8708754c64 (diff) | |
download | op-kernel-dev-4635d3f29864d723a74983339ffc85db212e304b.zip op-kernel-dev-4635d3f29864d723a74983339ffc85db212e304b.tar.gz |
usb: dwc3: ep0: drop dead code
There's no such thing as XferNotReady(SETUP), we
can safely drop all that code with no problems
whatsoever.
Signed-off-by: Felipe Balbi <balbi@ti.com>
Diffstat (limited to 'drivers/usb/dwc3/ep0.c')
-rw-r--r-- | drivers/usb/dwc3/ep0.c | 49 |
1 files changed, 0 insertions, 49 deletions
diff --git a/drivers/usb/dwc3/ep0.c b/drivers/usb/dwc3/ep0.c index 28bce9b..d4b38c7 100644 --- a/drivers/usb/dwc3/ep0.c +++ b/drivers/usb/dwc3/ep0.c @@ -809,12 +809,6 @@ static void dwc3_ep0_xfer_complete(struct dwc3 *dwc, } } -static void dwc3_ep0_do_control_setup(struct dwc3 *dwc, - const struct dwc3_event_depevt *event) -{ - dwc3_ep0_out_start(dwc); -} - static void __dwc3_ep0_do_control_data(struct dwc3 *dwc, struct dwc3_ep *dep, struct dwc3_request *req) { @@ -926,50 +920,7 @@ static void dwc3_ep0_xfernotready(struct dwc3 *dwc, { dwc->setup_packet_pending = true; - /* - * This part is very tricky: If we have just handled - * XferNotReady(Setup) and we're now expecting a - * XferComplete but, instead, we receive another - * XferNotReady(Setup), we should STALL and restart - * the state machine. - * - * In all other cases, we just continue waiting - * for the XferComplete event. - * - * We are a little bit unsafe here because we're - * not trying to ensure that last event was, indeed, - * XferNotReady(Setup). - * - * Still, we don't expect any condition where that - * should happen and, even if it does, it would be - * another error condition. - */ - if (dwc->ep0_next_event == DWC3_EP0_COMPLETE) { - switch (event->status) { - case DEPEVT_STATUS_CONTROL_SETUP: - dev_vdbg(dwc->dev, "Unexpected XferNotReady(Setup)\n"); - dwc3_ep0_stall_and_restart(dwc); - break; - case DEPEVT_STATUS_CONTROL_DATA: - /* FALLTHROUGH */ - case DEPEVT_STATUS_CONTROL_STATUS: - /* FALLTHROUGH */ - default: - dev_vdbg(dwc->dev, "waiting for XferComplete\n"); - } - - return; - } - switch (event->status) { - case DEPEVT_STATUS_CONTROL_SETUP: - dev_vdbg(dwc->dev, "Control Setup\n"); - - dwc->ep0state = EP0_SETUP_PHASE; - - dwc3_ep0_do_control_setup(dwc, event); - break; - case DEPEVT_STATUS_CONTROL_DATA: dev_vdbg(dwc->dev, "Control Data\n"); |