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authorFelipe Balbi <balbi@ti.com>2012-07-16 14:08:16 +0300
committerFelipe Balbi <balbi@ti.com>2012-08-03 09:28:22 +0300
commit4b345c9a3c7452340fb477868d8db475f05978b1 (patch)
tree2a61d93a1d13fa257b1bdcb9018c7a7766c8450b /drivers/usb/dwc3
parent0d7614f09c1ebdbaa1599a5aba7593f147bf96ee (diff)
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 <balbi@ti.com>
Diffstat (limited to 'drivers/usb/dwc3')
-rw-r--r--drivers/usb/dwc3/gadget.c21
1 files changed, 13 insertions, 8 deletions
diff --git a/drivers/usb/dwc3/gadget.c b/drivers/usb/dwc3/gadget.c
index 58fdfad96b4..283c0cb2f40 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;