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usb: dwc3: gadget: set Ignore Sequence Number bit from ConnectDone Event

Browse source 
Databook says we should set Ignore Sequence Number bit
from ConnectDone Event, so let's do so.

Signed-off-by: Felipe Balbi <balbi@ti.com>
This commit is contained in:
Felipe Balbi 2012-07-16 14:08:16 +03:00
parent 0d7614f09c
commit 4b345c9a3c
1 changed files with 13 additions and 8 deletions
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21
drivers/usb/dwc3/gadget.c
View file

@ -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;