usb: dwc3: remove trace_* APIs from dwc3 driver
Removed most of the trace_* APIs from dwc3 driver since tracepoints are not
supported in u-boot. Replaced some of the trace_* API with dev_dbg/dev/vdbg.
Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>
Review-by: Lukasz Majewski <l.majewski@samsung.com>
diff --git a/drivers/usb/dwc3/ep0.c b/drivers/usb/dwc3/ep0.c
index c9fcb77..1751b1d 100644
--- a/drivers/usb/dwc3/ep0.c
+++ b/drivers/usb/dwc3/ep0.c
@@ -64,7 +64,7 @@
dep = dwc->eps[epnum];
if (dep->flags & DWC3_EP_BUSY) {
- dwc3_trace(trace_dwc3_ep0, "%s still busy", dep->name);
+ dev_vdbg(dwc->dev, "%s still busy", dep->name);
return 0;
}
@@ -84,13 +84,10 @@
params.param0 = upper_32_bits(dwc->ep0_trb_addr);
params.param1 = lower_32_bits(dwc->ep0_trb_addr);
- trace_dwc3_prepare_trb(dep, trb);
-
ret = dwc3_send_gadget_ep_cmd(dwc, dep->number,
DWC3_DEPCMD_STARTTRANSFER, ¶ms);
if (ret < 0) {
- dwc3_trace(trace_dwc3_ep0, "%s STARTTRANSFER failed",
- dep->name);
+ dev_dbg(dwc->dev, "%s STARTTRANSFER failed", dep->name);
return ret;
}
@@ -155,8 +152,7 @@
if (dwc->ep0state == EP0_STATUS_PHASE)
__dwc3_ep0_do_control_status(dwc, dwc->eps[direction]);
else
- dwc3_trace(trace_dwc3_ep0,
- "too early for delayed status");
+ dev_dbg(dwc->dev, "too early for delayed status");
return 0;
}
@@ -220,8 +216,7 @@
spin_lock_irqsave(&dwc->lock, flags);
if (!dep->endpoint.desc) {
- dwc3_trace(trace_dwc3_ep0,
- "trying to queue request %p to disabled %s",
+ dev_dbg(dwc->dev, "trying to queue request %p to disabled %s",
request, dep->name);
ret = -ESHUTDOWN;
goto out;
@@ -233,8 +228,7 @@
goto out;
}
- dwc3_trace(trace_dwc3_ep0,
- "queueing request %p to %s length %d state '%s'",
+ dev_vdbg(dwc->dev, "queueing request %p to %s length %d state '%s'",
request, dep->name, request->length,
dwc3_ep0_state_string(dwc->ep0state));
@@ -503,13 +497,12 @@
addr = le16_to_cpu(ctrl->wValue);
if (addr > 127) {
- dwc3_trace(trace_dwc3_ep0, "invalid device address %d", addr);
+ dev_dbg(dwc->dev, "invalid device address %d", addr);
return -EINVAL;
}
if (state == USB_STATE_CONFIGURED) {
- dwc3_trace(trace_dwc3_ep0,
- "trying to set address when configured");
+ dev_dbg(dwc->dev, "trying to set address when configured");
return -EINVAL;
}
@@ -574,7 +567,7 @@
dwc3_writel(dwc->regs, DWC3_DCTL, reg);
dwc->resize_fifos = true;
- dwc3_trace(trace_dwc3_ep0, "resize FIFOs flag SET");
+ dev_dbg(dwc->dev, "resize FIFOs flag SET");
}
break;
@@ -698,35 +691,35 @@
switch (ctrl->bRequest) {
case USB_REQ_GET_STATUS:
- dwc3_trace(trace_dwc3_ep0, "USB_REQ_GET_STATUS");
+ dev_vdbg(dwc->dev, "USB_REQ_GET_STATUS");
ret = dwc3_ep0_handle_status(dwc, ctrl);
break;
case USB_REQ_CLEAR_FEATURE:
- dwc3_trace(trace_dwc3_ep0, "USB_REQ_CLEAR_FEATURE");
+ dev_vdbg(dwc->dev, "USB_REQ_CLEAR_FEATURE");
ret = dwc3_ep0_handle_feature(dwc, ctrl, 0);
break;
case USB_REQ_SET_FEATURE:
- dwc3_trace(trace_dwc3_ep0, "USB_REQ_SET_FEATURE");
+ dev_vdbg(dwc->dev, "USB_REQ_SET_FEATURE");
ret = dwc3_ep0_handle_feature(dwc, ctrl, 1);
break;
case USB_REQ_SET_ADDRESS:
- dwc3_trace(trace_dwc3_ep0, "USB_REQ_SET_ADDRESS");
+ dev_vdbg(dwc->dev, "USB_REQ_SET_ADDRESS");
ret = dwc3_ep0_set_address(dwc, ctrl);
break;
case USB_REQ_SET_CONFIGURATION:
- dwc3_trace(trace_dwc3_ep0, "USB_REQ_SET_CONFIGURATION");
+ dev_vdbg(dwc->dev, "USB_REQ_SET_CONFIGURATION");
ret = dwc3_ep0_set_config(dwc, ctrl);
break;
case USB_REQ_SET_SEL:
- dwc3_trace(trace_dwc3_ep0, "USB_REQ_SET_SEL");
+ dev_vdbg(dwc->dev, "USB_REQ_SET_SEL");
ret = dwc3_ep0_set_sel(dwc, ctrl);
break;
case USB_REQ_SET_ISOCH_DELAY:
- dwc3_trace(trace_dwc3_ep0, "USB_REQ_SET_ISOCH_DELAY");
+ dev_vdbg(dwc->dev, "USB_REQ_SET_ISOCH_DELAY");
ret = dwc3_ep0_set_isoch_delay(dwc, ctrl);
break;
default:
- dwc3_trace(trace_dwc3_ep0, "Forwarding to gadget driver");
+ dev_vdbg(dwc->dev, "Forwarding to gadget driver");
ret = dwc3_ep0_delegate_req(dwc, ctrl);
break;
}
@@ -744,8 +737,6 @@
if (!dwc->gadget_driver)
goto out;
- trace_dwc3_ctrl_req(ctrl);
-
len = le16_to_cpu(ctrl->wLength);
if (!len) {
dwc->three_stage_setup = false;
@@ -789,15 +780,13 @@
trb = dwc->ep0_trb;
- trace_dwc3_complete_trb(ep0, trb);
-
r = next_request(&ep0->request_list);
if (!r)
return;
status = DWC3_TRB_SIZE_TRBSTS(trb->size);
if (status == DWC3_TRBSTS_SETUP_PENDING) {
- dwc3_trace(trace_dwc3_ep0, "Setup Pending received");
+ dev_dbg(dwc->dev, "Setup Pending received");
if (r)
dwc3_gadget_giveback(ep0, r, -ECONNRESET);
@@ -855,8 +844,6 @@
dep = dwc->eps[0];
trb = dwc->ep0_trb;
- trace_dwc3_complete_trb(dep, trb);
-
if (!list_empty(&dep->request_list)) {
r = next_request(&dep->request_list);
@@ -868,7 +855,7 @@
ret = dwc3_gadget_set_test_mode(dwc, dwc->test_mode_nr);
if (ret < 0) {
- dwc3_trace(trace_dwc3_ep0, "Invalid Test #%d",
+ dev_dbg(dwc->dev, "Invalid Test #%d",
dwc->test_mode_nr);
dwc3_ep0_stall_and_restart(dwc);
return;
@@ -877,7 +864,7 @@
status = DWC3_TRB_SIZE_TRBSTS(trb->size);
if (status == DWC3_TRBSTS_SETUP_PENDING)
- dwc3_trace(trace_dwc3_ep0, "Setup Pending received");
+ dev_dbg(dwc->dev, "Setup Pending received");
dwc->ep0state = EP0_SETUP_PHASE;
dwc3_ep0_out_start(dwc);
@@ -894,17 +881,17 @@
switch (dwc->ep0state) {
case EP0_SETUP_PHASE:
- dwc3_trace(trace_dwc3_ep0, "Setup Phase");
+ dev_vdbg(dwc->dev, "Setup Phase");
dwc3_ep0_inspect_setup(dwc, event);
break;
case EP0_DATA_PHASE:
- dwc3_trace(trace_dwc3_ep0, "Data Phase");
+ dev_vdbg(dwc->dev, "Data Phase");
dwc3_ep0_complete_data(dwc, event);
break;
case EP0_STATUS_PHASE:
- dwc3_trace(trace_dwc3_ep0, "Status Phase");
+ dev_vdbg(dwc->dev, "Status Phase");
dwc3_ep0_complete_status(dwc, event);
break;
default:
@@ -980,7 +967,7 @@
static void __dwc3_ep0_do_control_status(struct dwc3 *dwc, struct dwc3_ep *dep)
{
if (dwc->resize_fifos) {
- dwc3_trace(trace_dwc3_ep0, "Resizing FIFOs");
+ dev_dbg(dwc->dev, "Resizing FIFOs");
dwc3_gadget_resize_tx_fifos(dwc);
dwc->resize_fifos = 0;
}
@@ -1021,7 +1008,7 @@
switch (event->status) {
case DEPEVT_STATUS_CONTROL_DATA:
- dwc3_trace(trace_dwc3_ep0, "Control Data");
+ dev_vdbg(dwc->dev, "Control Data");
/*
* We already have a DATA transfer in the controller's cache,
@@ -1035,8 +1022,7 @@
if (dwc->ep0_expect_in != event->endpoint_number) {
struct dwc3_ep *dep = dwc->eps[dwc->ep0_expect_in];
- dwc3_trace(trace_dwc3_ep0,
- "Wrong direction for Data phase");
+ dev_vdbg(dwc->dev, "Wrong direction for Data phase");
dwc3_ep0_end_control_data(dwc, dep);
dwc3_ep0_stall_and_restart(dwc);
return;
@@ -1048,13 +1034,13 @@
if (dwc->ep0_next_event != DWC3_EP0_NRDY_STATUS)
return;
- dwc3_trace(trace_dwc3_ep0, "Control Status");
+ dev_vdbg(dwc->dev, "Control Status");
dwc->ep0state = EP0_STATUS_PHASE;
if (dwc->delayed_status) {
WARN_ON_ONCE(event->endpoint_number != 1);
- dwc3_trace(trace_dwc3_ep0, "Delayed Status");
+ dev_vdbg(dwc->dev, "Delayed Status");
return;
}
@@ -1067,7 +1053,7 @@
{
u8 epnum = event->endpoint_number;
- dwc3_trace(trace_dwc3_ep0, "%s while ep%d%s in state '%s'",
+ dev_dbg(dwc->dev, "%s while ep%d%s in state '%s'",
dwc3_ep_event_string(event->endpoint_event),
epnum >> 1, (epnum & 1) ? "in" : "out",
dwc3_ep0_state_string(dwc->ep0state));