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usb: dwc3: trace: purge dwc3_trace()

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Finally get rid of dwc3_trace() hack. If any other
message is truly needed, we should add proper
tracepoints for them instead of hacking around with
dwc3_trace() or similar.

Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>
This commit is contained in:
Felipe Balbi
2016-11-03 14:07:51 +02:00
parent 2870e5013e
commit 5eb30cedce
6 changed files with 24 additions and 135 deletions
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57
drivers/usb/dwc3/gadget.c
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@@ -139,9 +139,6 @@ int dwc3_gadget_set_link_state(struct dwc3 *dwc, enum dwc3_link_state state)
udelay(5);
}
dwc3_trace(trace_dwc3_gadget,
"link state change request timed out");
return -ETIMEDOUT;
}
@@ -1115,8 +1112,7 @@ static void __dwc3_gadget_start_isoc(struct dwc3 *dwc,
u32 uf;
if (list_empty(&dep->pending_list)) {
dwc3_trace(trace_dwc3_gadget,
"ISOC ep %s run out for requests",
dev_info(dwc->dev, "%s: ran out of requests\n",
dep->name);
dep->flags |= DWC3_EP_PENDING_REQUEST;
return;
@@ -1145,16 +1141,15 @@ static int __dwc3_gadget_ep_queue(struct dwc3_ep *dep, struct dwc3_request *req)
int ret;
if (!dep->endpoint.desc) {
dwc3_trace(trace_dwc3_gadget,
"trying to queue request %p to disabled %s",
&req->request, dep->endpoint.name);
dev_err(dwc->dev, "%s: can't queue to disabled endpoint\n",
dep->name);
return -ESHUTDOWN;
}
if (WARN(req->dep != dep, "request %p belongs to '%s'\n",
&req->request, req->dep->name)) {
dwc3_trace(trace_dwc3_gadget, "request %p belongs to '%s'",
&req->request, req->dep->name);
dev_err(dwc->dev, "%s: request %p belongs to '%s'\n",
dep->name, &req->request, req->dep->name);
return -EINVAL;
}
@@ -1204,10 +1199,6 @@ static int __dwc3_gadget_ep_queue(struct dwc3_ep *dep, struct dwc3_request *req)
return 0;
ret = __dwc3_gadget_kick_transfer(dep, 0);
if (ret && ret != -EBUSY)
dwc3_trace(trace_dwc3_gadget,
"%s: failed to kick transfers",
dep->name);
if (ret == -EBUSY)
ret = 0;
@@ -1226,7 +1217,6 @@ static int __dwc3_gadget_ep_queue_zlp(struct dwc3 *dwc, struct dwc3_ep *dep)
struct usb_request *request;
struct usb_ep *ep = &dep->endpoint;
dwc3_trace(trace_dwc3_gadget, "queueing ZLP");
request = dwc3_gadget_ep_alloc_request(ep, GFP_ATOMIC);
if (!request)
return -ENOMEM;
@@ -1345,9 +1335,6 @@ int __dwc3_gadget_ep_set_halt(struct dwc3_ep *dep, int value, int protocol)
if (!protocol && ((dep->direction && transfer_in_flight) ||
(!dep->direction && started))) {
dwc3_trace(trace_dwc3_gadget,
"%s: pending request, cannot halt",
dep->name);
return -EAGAIN;
}
@@ -1465,10 +1452,8 @@ static int __dwc3_gadget_wakeup(struct dwc3 *dwc)
speed = reg & DWC3_DSTS_CONNECTSPD;
if ((speed == DWC3_DSTS_SUPERSPEED) ||
(speed == DWC3_DSTS_SUPERSPEED_PLUS)) {
dwc3_trace(trace_dwc3_gadget, "no wakeup on SuperSpeed");
(speed == DWC3_DSTS_SUPERSPEED_PLUS))
return 0;
}
link_state = DWC3_DSTS_USBLNKST(reg);
@@ -1477,9 +1462,6 @@ static int __dwc3_gadget_wakeup(struct dwc3 *dwc)
case DWC3_LINK_STATE_U3: /* in HS, means SUSPEND */
break;
default:
dwc3_trace(trace_dwc3_gadget,
"can't wakeup from '%s'",
dwc3_gadget_link_string(link_state));
return -EINVAL;
}
@@ -1584,11 +1566,6 @@ static int dwc3_gadget_run_stop(struct dwc3 *dwc, int is_on, int suspend)
if (!timeout)
return -ETIMEDOUT;
dwc3_trace(trace_dwc3_gadget, "gadget %s data soft-%s",
dwc->gadget_driver
? dwc->gadget_driver->function : "no-function",
is_on ? "connect" : "disconnect");
return 0;
}
@@ -1910,8 +1887,6 @@ static int dwc3_gadget_init_hw_endpoints(struct dwc3 *dwc,
dep->endpoint.name = dep->name;
spin_lock_init(&dep->lock);
dwc3_trace(trace_dwc3_gadget, "initializing %s", dep->name);
if (epnum == 0 || epnum == 1) {
usb_ep_set_maxpacket_limit(&dep->endpoint, 512);
dep->endpoint.maxburst = 1;
@@ -1958,15 +1933,13 @@ static int dwc3_gadget_init_endpoints(struct dwc3 *dwc)
ret = dwc3_gadget_init_hw_endpoints(dwc, dwc->num_out_eps, 0);
if (ret < 0) {
dwc3_trace(trace_dwc3_gadget,
"failed to allocate OUT endpoints");
dev_err(dwc->dev, "failed to initialize OUT endpoints\n");
return ret;
}
ret = dwc3_gadget_init_hw_endpoints(dwc, dwc->num_in_eps, 1);
if (ret < 0) {
dwc3_trace(trace_dwc3_gadget,
"failed to allocate IN endpoints");
dev_err(dwc->dev, "failed to initialize IN endpoints\n");
return ret;
}
@@ -2041,9 +2014,6 @@ static int __dwc3_cleanup_done_trbs(struct dwc3 *dwc, struct dwc3_ep *dep,
if (count) {
trb_status = DWC3_TRB_SIZE_TRBSTS(trb->size);
if (trb_status == DWC3_TRBSTS_MISSED_ISOC) {
dwc3_trace(trace_dwc3_gadget,
"%s: incomplete IN transfer",
dep->name);
/*
* If missed isoc occurred and there is
* no request queued then issue END
@@ -2669,8 +2639,6 @@ static void dwc3_gadget_linksts_change_interrupt(struct dwc3 *dwc,
(pwropt != DWC3_GHWPARAMS1_EN_PWROPT_HIB)) {
if ((dwc->link_state == DWC3_LINK_STATE_U3) &&
(next == DWC3_LINK_STATE_RESUME)) {
dwc3_trace(trace_dwc3_gadget,
"ignoring transition U3 -> Resume");
return;
}
}
@@ -2804,11 +2772,7 @@ static void dwc3_gadget_interrupt(struct dwc3 *dwc,
break;
case DWC3_DEVICE_EVENT_EOPF:
/* It changed to be suspend event for version 2.30a and above */
if (dwc->revision < DWC3_REVISION_230A) {
dwc3_trace(trace_dwc3_gadget, "End of Periodic Frame");
} else {
dwc3_trace(trace_dwc3_gadget, "U3/L1-L2 Suspend Event");
if (dwc->revision >= DWC3_REVISION_230A) {
/*
* Ignore suspend event until the gadget enters into
* USB_STATE_CONFIGURED state.
@@ -3059,8 +3023,7 @@ int dwc3_gadget_init(struct dwc3 *dwc)
* composite.c that we are USB 2.0 + LPM ECN.
*/
if (dwc->revision < DWC3_REVISION_220A)
dwc3_trace(trace_dwc3_gadget,
"Changing max_speed on rev %08x",
dev_info(dwc->dev, "changing max_speed on rev %08x\n",
dwc->revision);
dwc->gadget.max_speed = dwc->maximum_speed;