It has no use anymore.
Signed-off-by: Felipe Balbi <felipe.balbi@xxxxxxxxxxxxxxx>
---
Documentation/driver-api/usb/dwc3.rst | 2 +-
drivers/usb/dwc3/core.h | 3 +--
drivers/usb/dwc3/ep0.c | 5 ++---
drivers/usb/dwc3/gadget.c | 14 ++------------
drivers/usb/dwc3/trace.h | 2 +-
5 files changed, 7 insertions(+), 19 deletions(-)
diff --git a/Documentation/driver-api/usb/dwc3.rst b/Documentation/driver-api/usb/dwc3.rst
index c3dc84a50ce5..33f65d263087 100644
--- a/Documentation/driver-api/usb/dwc3.rst
+++ b/Documentation/driver-api/usb/dwc3.rst
@@ -674,7 +674,7 @@ operations, both of which can be traced. Format is::
__entry->flags & DWC3_EP_ENABLED ? 'E' : 'e',
__entry->flags & DWC3_EP_STALL ? 'S' : 's',
__entry->flags & DWC3_EP_WEDGE ? 'W' : 'w',
- __entry->flags & DWC3_EP_BUSY ? 'B' : 'b',
+ __entry->flags & DWC3_EP_TRANSFER_STARTED ? 'B' : 'b',
__entry->flags & DWC3_EP_PENDING_REQUEST ? 'P' : 'p',
__entry->flags & DWC3_EP_MISSED_ISOC ? 'M' : 'm',
__entry->flags & DWC3_EP_END_TRANSFER_PENDING ? 'E' : 'e',
diff --git a/drivers/usb/dwc3/core.h b/drivers/usb/dwc3/core.h
index 2baa6caeffa6..5ee895113906 100644
--- a/drivers/usb/dwc3/core.h
+++ b/drivers/usb/dwc3/core.h
@@ -662,11 +662,10 @@ struct dwc3_ep {
#define DWC3_EP_ENABLED BIT(0)
#define DWC3_EP_STALL BIT(1)
#define DWC3_EP_WEDGE BIT(2)
-#define DWC3_EP_BUSY BIT(4)
+#define DWC3_EP_TRANSFER_STARTED BIT(3)
#define DWC3_EP_PENDING_REQUEST BIT(5)
#define DWC3_EP_MISSED_ISOC BIT(6)
#define DWC3_EP_END_TRANSFER_PENDING BIT(7)
-#define DWC3_EP_TRANSFER_STARTED BIT(8)
/* This last one is specific to EP0 */
#define DWC3_EP0_DIR_IN BIT(31)
diff --git a/drivers/usb/dwc3/ep0.c b/drivers/usb/dwc3/ep0.c
index 5a991bca8ed7..826fee2bc8cc 100644
--- a/drivers/usb/dwc3/ep0.c
+++ b/drivers/usb/dwc3/ep0.c
@@ -66,7 +66,7 @@ static int dwc3_ep0_start_trans(struct dwc3_ep *dep)
struct dwc3 *dwc;
int ret;
- if (dep->flags & DWC3_EP_BUSY)
+ if (dep->flags & DWC3_EP_TRANSFER_STARTED)
return 0;
dwc = dep->dwc;
@@ -79,7 +79,6 @@ static int dwc3_ep0_start_trans(struct dwc3_ep *dep)
if (ret < 0)
return ret;
- dep->flags |= DWC3_EP_BUSY;
dep->resource_index = dwc3_gadget_ep_get_transfer_index(dep);
dwc->ep0_next_event = DWC3_EP0_COMPLETE;
@@ -913,7 +912,7 @@ static void dwc3_ep0_xfer_complete(struct dwc3 *dwc,
{
struct dwc3_ep *dep = dwc->eps[event->endpoint_number];
- dep->flags &= ~DWC3_EP_BUSY;
+ dep->flags &= ~DWC3_EP_TRANSFER_STARTED;
dep->resource_index = 0;
dwc->setup_packet_pending = false;
diff --git a/drivers/usb/dwc3/gadget.c b/drivers/usb/dwc3/gadget.c
index 0c6db0de3fd1..83f386bd65e0 100644
--- a/drivers/usb/dwc3/gadget.c
+++ b/drivers/usb/dwc3/gadget.c
@@ -691,8 +691,6 @@ static int __dwc3_gadget_ep_enable(struct dwc3_ep *dep,
if (ret < 0)
return ret;
- dep->flags |= DWC3_EP_BUSY;
-
dep->resource_index = dwc3_gadget_ep_get_transfer_index(dep);
WARN_ON_ONCE(!dep->resource_index);
}
@@ -1232,8 +1230,6 @@ static int __dwc3_gadget_kick_transfer(struct dwc3_ep *dep)
return ret;
}
- dep->flags |= DWC3_EP_BUSY;
-
if (starting) {
dep->resource_index = dwc3_gadget_ep_get_transfer_index(dep);
WARN_ON_ONCE(!dep->resource_index);
@@ -2353,7 +2349,7 @@ static int dwc3_gadget_ep_cleanup_completed_requests(struct dwc3_ep *dep,
/*
* Our endpoint might get disabled by another thread during
* dwc3_gadget_giveback(). If that happens, we're just gonna return 1
- * early on so DWC3_EP_BUSY flag gets cleared
+ * early.
*/
if (!dep->endpoint.desc)
return 1;
@@ -2396,18 +2392,13 @@ static void dwc3_gadget_endpoint_transfer_in_progress(struct dwc3_ep *dep,
{
struct dwc3 *dwc = dep->dwc;
unsigned status = 0;
- int clean_busy;
dwc3_gadget_endpoint_frame_from_event(dep, event);
if (event->status & DEPEVT_STATUS_BUSERR)
status = -ECONNRESET;
- clean_busy = dwc3_gadget_ep_cleanup_completed_requests(dep, event,
- status);
- if (clean_busy && (!dep->endpoint.desc ||
- usb_endpoint_xfer_isoc(dep->endpoint.desc)))
- dep->flags &= ~DWC3_EP_BUSY;
+ dwc3_gadget_ep_cleanup_completed_requests(dep, event, status);
/*
* WORKAROUND: This is the 2nd half of U1/U2 -> U0 workaround.
@@ -2576,7 +2567,6 @@ static void dwc3_stop_active_transfer(struct dwc3_ep *dep, bool force)
ret = dwc3_send_gadget_ep_cmd(dep, cmd, ¶ms);
WARN_ON_ONCE(ret);
dep->resource_index = 0;
- dep->flags &= ~DWC3_EP_BUSY;
if (dwc3_is_usb31(dwc) || dwc->revision < DWC3_REVISION_310A) {
dep->flags |= DWC3_EP_END_TRANSFER_PENDING;
diff --git a/drivers/usb/dwc3/trace.h b/drivers/usb/dwc3/trace.h
index 08a6b823271a..f91461bc53fe 100644
--- a/drivers/usb/dwc3/trace.h
+++ b/drivers/usb/dwc3/trace.h
@@ -311,7 +311,7 @@ DECLARE_EVENT_CLASS(dwc3_log_ep,
__entry->flags & DWC3_EP_ENABLED ? 'E' : 'e',
__entry->flags & DWC3_EP_STALL ? 'S' : 's',
__entry->flags & DWC3_EP_WEDGE ? 'W' : 'w',
- __entry->flags & DWC3_EP_BUSY ? 'B' : 'b',
+ __entry->flags & DWC3_EP_TRANSFER_STARTED ? 'B' : 'b',
__entry->flags & DWC3_EP_PENDING_REQUEST ? 'P' : 'p',
__entry->flags & DWC3_EP_MISSED_ISOC ? 'M' : 'm',
__entry->flags & DWC3_EP_END_TRANSFER_PENDING ? 'E' : 'e',
--
2.16.1
--
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