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| author | Felipe Balbi <felipe.balbi@linux.intel.com> | 2016-11-03 13:53:29 +0200 |
|---|---|---|
| committer | Felipe Balbi <felipe.balbi@linux.intel.com> | 2016-11-08 12:52:12 +0200 |
| commit | 2870e5013e199fab8ba6e4a0e7d0614d46dc9e36 (patch) | |
| tree | 3315a6dad7d7819e87354eb4a469586e53f1a26c /drivers/usb/dwc3/gadget.c | |
| parent | 9cecca75b5a0da1bb70465ed3863db5cbf00850b (diff) | |
| download | lwn-2870e5013e199fab8ba6e4a0e7d0614d46dc9e36.tar.gz lwn-2870e5013e199fab8ba6e4a0e7d0614d46dc9e36.zip | |
usb: dwc3: trace: add a tracepoint for ep enable/disable
instead of using a simple trace_printk() wrapper,
let's add an actual tracepoint and print further
details about the endpoint being operated upon.
Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>
Diffstat (limited to 'drivers/usb/dwc3/gadget.c')
| -rw-r--r-- | drivers/usb/dwc3/gadget.c | 10 |
1 files changed, 6 insertions, 4 deletions
diff --git a/drivers/usb/dwc3/gadget.c b/drivers/usb/dwc3/gadget.c index a9c1d75ba7d5..7e39f0cf4436 100644 --- a/drivers/usb/dwc3/gadget.c +++ b/drivers/usb/dwc3/gadget.c @@ -587,8 +587,6 @@ static int __dwc3_gadget_ep_enable(struct dwc3_ep *dep, u32 reg; int ret; - dwc3_trace(trace_dwc3_gadget, "Enabling %s", dep->name); - if (!(dep->flags & DWC3_EP_ENABLED)) { ret = dwc3_gadget_start_config(dwc, dep); if (ret) @@ -617,7 +615,7 @@ static int __dwc3_gadget_ep_enable(struct dwc3_ep *dep, init_waitqueue_head(&dep->wait_end_transfer); if (usb_endpoint_xfer_control(desc)) - return 0; + goto out; /* Initialize the TRB ring */ dep->trb_dequeue = 0; @@ -664,6 +662,10 @@ static int __dwc3_gadget_ep_enable(struct dwc3_ep *dep, WARN_ON_ONCE(!dep->resource_index); } + +out: + trace_dwc3_gadget_ep_enable(dep); + return 0; } @@ -701,7 +703,7 @@ static int __dwc3_gadget_ep_disable(struct dwc3_ep *dep) struct dwc3 *dwc = dep->dwc; u32 reg; - dwc3_trace(trace_dwc3_gadget, "Disabling %s", dep->name); + trace_dwc3_gadget_ep_disable(dep); dwc3_remove_requests(dwc, dep); |