From 4b345c9a3c7452340fb477868d8db475f05978b1 Mon Sep 17 00:00:00 2001 From: Felipe Balbi Date: Mon, 16 Jul 2012 14:08:16 +0300 Subject: [PATCH] usb: dwc3: gadget: set Ignore Sequence Number bit from ConnectDone Event Databook says we should set Ignore Sequence Number bit from ConnectDone Event, so let's do so. Signed-off-by: Felipe Balbi --- drivers/usb/dwc3/gadget.c | 21 +++++++++++++-------- 1 file changed, 13 insertions(+), 8 deletions(-) diff --git a/drivers/usb/dwc3/gadget.c b/drivers/usb/dwc3/gadget.c index 58fdfad96b4d..283c0cb2f40c 100644 --- a/drivers/usb/dwc3/gadget.c +++ b/drivers/usb/dwc3/gadget.c @@ -431,7 +431,8 @@ static int dwc3_gadget_start_config(struct dwc3 *dwc, struct dwc3_ep *dep) static int dwc3_gadget_set_ep_config(struct dwc3 *dwc, struct dwc3_ep *dep, const struct usb_endpoint_descriptor *desc, - const struct usb_ss_ep_comp_descriptor *comp_desc) + const struct usb_ss_ep_comp_descriptor *comp_desc, + bool ignore) { struct dwc3_gadget_ep_cmd_params params; @@ -441,6 +442,9 @@ static int dwc3_gadget_set_ep_config(struct dwc3 *dwc, struct dwc3_ep *dep, | DWC3_DEPCFG_MAX_PACKET_SIZE(usb_endpoint_maxp(desc)) | DWC3_DEPCFG_BURST_SIZE(dep->endpoint.maxburst - 1); + if (ignore) + params.param0 |= DWC3_DEPCFG_IGN_SEQ_NUM; + params.param1 = DWC3_DEPCFG_XFER_COMPLETE_EN | DWC3_DEPCFG_XFER_NOT_READY_EN; @@ -498,7 +502,8 @@ static int dwc3_gadget_set_xfer_resource(struct dwc3 *dwc, struct dwc3_ep *dep) */ static int __dwc3_gadget_ep_enable(struct dwc3_ep *dep, const struct usb_endpoint_descriptor *desc, - const struct usb_ss_ep_comp_descriptor *comp_desc) + const struct usb_ss_ep_comp_descriptor *comp_desc, + bool ignore) { struct dwc3 *dwc = dep->dwc; u32 reg; @@ -510,7 +515,7 @@ static int __dwc3_gadget_ep_enable(struct dwc3_ep *dep, return ret; } - ret = dwc3_gadget_set_ep_config(dwc, dep, desc, comp_desc); + ret = dwc3_gadget_set_ep_config(dwc, dep, desc, comp_desc, ignore); if (ret) return ret; @@ -683,7 +688,7 @@ static int dwc3_gadget_ep_enable(struct usb_ep *ep, dev_vdbg(dwc->dev, "Enabling %s\n", dep->name); spin_lock_irqsave(&dwc->lock, flags); - ret = __dwc3_gadget_ep_enable(dep, desc, ep->comp_desc); + ret = __dwc3_gadget_ep_enable(dep, desc, ep->comp_desc, false); spin_unlock_irqrestore(&dwc->lock, flags); return ret; @@ -1518,14 +1523,14 @@ static int dwc3_gadget_start(struct usb_gadget *g, dwc3_gadget_ep0_desc.wMaxPacketSize = cpu_to_le16(512); dep = dwc->eps[0]; - ret = __dwc3_gadget_ep_enable(dep, &dwc3_gadget_ep0_desc, NULL); + ret = __dwc3_gadget_ep_enable(dep, &dwc3_gadget_ep0_desc, NULL, false); if (ret) { dev_err(dwc->dev, "failed to enable %s\n", dep->name); goto err0; } dep = dwc->eps[1]; - ret = __dwc3_gadget_ep_enable(dep, &dwc3_gadget_ep0_desc, NULL); + ret = __dwc3_gadget_ep_enable(dep, &dwc3_gadget_ep0_desc, NULL, false); if (ret) { dev_err(dwc->dev, "failed to enable %s\n", dep->name); goto err1; @@ -2141,14 +2146,14 @@ static void dwc3_gadget_conndone_interrupt(struct dwc3 *dwc) } dep = dwc->eps[0]; - ret = __dwc3_gadget_ep_enable(dep, &dwc3_gadget_ep0_desc, NULL); + ret = __dwc3_gadget_ep_enable(dep, &dwc3_gadget_ep0_desc, NULL, true); if (ret) { dev_err(dwc->dev, "failed to enable %s\n", dep->name); return; } dep = dwc->eps[1]; - ret = __dwc3_gadget_ep_enable(dep, &dwc3_gadget_ep0_desc, NULL); + ret = __dwc3_gadget_ep_enable(dep, &dwc3_gadget_ep0_desc, NULL, true); if (ret) { dev_err(dwc->dev, "failed to enable %s\n", dep->name); return; -- 2.39.5