We will be using this information to change how we
figure out when we need LST bit. For now, just
update our counters.
Signed-off-by: Felipe Balbi <felipe.balbi@xxxxxxxxxxxxxxx>
---
drivers/usb/dwc3/core.h | 4 ++++
drivers/usb/dwc3/gadget.c | 7 +++++++
drivers/usb/dwc3/trace.h | 9 +++++++--
3 files changed, 18 insertions(+), 2 deletions(-)
diff --git a/drivers/usb/dwc3/core.h b/drivers/usb/dwc3/core.h
index 74dff4711a47..4a5453c36099 100644
--- a/drivers/usb/dwc3/core.h
+++ b/drivers/usb/dwc3/core.h
@@ -496,6 +496,8 @@ struct dwc3_event_buffer {
* @type: set to bmAttributes & USB_ENDPOINT_XFERTYPE_MASK
* @resource_index: Resource transfer index
* @interval: the interval on which the ISOC transfer is started
+ * @allocated_requests: number of requests allocated
+ * @queued_requests: number of requests queued for transfer
* @name: a human readable name e.g. ep1out-bulk
* @direction: true for TX, false for RX
* @stream_capable: true when streams are enabled
@@ -540,6 +542,8 @@ struct dwc3_ep {
u8 number;
u8 type;
u8 resource_index;
+ u32 allocated_requests;
+ u32 queued_requests;
u32 interval;
char name[20];
diff --git a/drivers/usb/dwc3/gadget.c b/drivers/usb/dwc3/gadget.c
index 9cdf12cc5d8c..61e45319dfd0 100644
--- a/drivers/usb/dwc3/gadget.c
+++ b/drivers/usb/dwc3/gadget.c
@@ -719,6 +719,8 @@ static struct usb_request *dwc3_gadget_ep_alloc_request(struct usb_ep *ep,
req->epnum = dep->number;
req->dep = dep;
+ dep->allocated_requests++;
+
trace_dwc3_alloc_request(req);
return &req->request;
@@ -728,7 +730,9 @@ static void dwc3_gadget_ep_free_request(struct usb_ep *ep,
struct usb_request *request)
{
struct dwc3_request *req = to_dwc3_request(request);
+ struct dwc3_ep *dep = to_dwc3_ep(ep);
+ dep->allocated_requests--;
trace_dwc3_free_request(req);
kfree(req);
}
@@ -809,6 +813,8 @@ static void dwc3_prepare_one_trb(struct dwc3_ep *dep,
trb->ctrl |= DWC3_TRB_CTRL_HWO;
+ dep->queued_requests++;
+
trace_dwc3_prepare_trb(dep, trb);
}
@@ -1914,6 +1920,7 @@ static int __dwc3_cleanup_done_trbs(struct dwc3 *dwc, struct dwc3_ep *dep,
unsigned int s_pkt = 0;
unsigned int trb_status;
+ dep->queued_requests--;
trace_dwc3_complete_trb(dep, trb);
if ((trb->ctrl & DWC3_TRB_CTRL_HWO) && status != -ESHUTDOWN)
diff --git a/drivers/usb/dwc3/trace.h b/drivers/usb/dwc3/trace.h
index cafd69fc7eb8..d24cefd191b5 100644
--- a/drivers/usb/dwc3/trace.h
+++ b/drivers/usb/dwc3/trace.h
@@ -231,6 +231,8 @@ DECLARE_EVENT_CLASS(dwc3_log_trb,
TP_STRUCT__entry(
__dynamic_array(char, name, DWC3_MSG_MAX)
__field(struct dwc3_trb *, trb)
+ __field(u32, allocated)
+ __field(u32, queued)
__field(u32, bpl)
__field(u32, bph)
__field(u32, size)
@@ -239,13 +241,16 @@ DECLARE_EVENT_CLASS(dwc3_log_trb,
TP_fast_assign(
snprintf(__get_str(name), DWC3_MSG_MAX, "%s", dep->name);
__entry->trb = trb;
+ __entry->allocated = dep->allocated_requests;
+ __entry->queued = dep->queued_requests;
__entry->bpl = trb->bpl;
__entry->bph = trb->bph;
__entry->size = trb->size;
__entry->ctrl = trb->ctrl;
),
- TP_printk("%s: trb %p buf %08x%08x size %d ctrl %08x (%c%c%c%c:%c%c:%s)",
- __get_str(name), __entry->trb, __entry->bph, __entry->bpl,
+ TP_printk("%s: %d/%d trb %p buf %08x%08x size %d ctrl %08x (%c%c%c%c:%c%c:%s)",
+ __get_str(name), __entry->queued, __entry->allocated,
+ __entry->trb, __entry->bph, __entry->bpl,
__entry->size, __entry->ctrl,
__entry->ctrl & DWC3_TRB_CTRL_HWO ? 'H' : 'h',
__entry->ctrl & DWC3_TRB_CTRL_LST ? 'L' : 'l',
--
2.8.3
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