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authorGreg Kroah-Hartman <gregkh@linuxfoundation.org>2019-12-11 17:28:37 +0300
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2019-12-11 17:28:37 +0300
commit85862213e75eec2cbc2eae8adb47f7e41918edbb (patch)
tree3112306481a74821da20f49e9fa0d5ba04b9709f /drivers/usb
parentf8c63edfd78905320e86b6b2be2b7a5ac768fa4e (diff)
parente5b5da96da50ef30abb39cb9f694e99366404d24 (diff)
downloadlinux-85862213e75eec2cbc2eae8adb47f7e41918edbb.tar.xz
Merge tag 'fixes-for-v5.5-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/balbi/usb into usb-linus
Felipe writes: USB: fixes for v5.5-rc2 Only four patches here this time around. Three of them are on dwc3 fixing some small bugs related to our 'started' flag. None are major fixes but they're important nevertheless. * tag 'fixes-for-v5.5-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/balbi/usb: usb: gadget: fix wrong endpoint desc usb: dwc3: ep0: Clear started flag on completion usb: dwc3: gadget: Clear started flag for non-IOC usb: dwc3: gadget: Fix logical condition
Diffstat (limited to 'drivers/usb')
-rw-r--r--drivers/usb/dwc3/ep0.c8
-rw-r--r--drivers/usb/dwc3/gadget.c5
-rw-r--r--drivers/usb/gadget/function/f_ecm.c6
-rw-r--r--drivers/usb/gadget/function/f_rndis.c1
4 files changed, 18 insertions, 2 deletions
diff --git a/drivers/usb/dwc3/ep0.c b/drivers/usb/dwc3/ep0.c
index 3996b9c4ff8d..fd1b100d2927 100644
--- a/drivers/usb/dwc3/ep0.c
+++ b/drivers/usb/dwc3/ep0.c
@@ -1117,6 +1117,9 @@ static void dwc3_ep0_xfernotready(struct dwc3 *dwc,
void dwc3_ep0_interrupt(struct dwc3 *dwc,
const struct dwc3_event_depevt *event)
{
+ struct dwc3_ep *dep = dwc->eps[event->endpoint_number];
+ u8 cmd;
+
switch (event->endpoint_event) {
case DWC3_DEPEVT_XFERCOMPLETE:
dwc3_ep0_xfer_complete(dwc, event);
@@ -1129,7 +1132,12 @@ void dwc3_ep0_interrupt(struct dwc3 *dwc,
case DWC3_DEPEVT_XFERINPROGRESS:
case DWC3_DEPEVT_RXTXFIFOEVT:
case DWC3_DEPEVT_STREAMEVT:
+ break;
case DWC3_DEPEVT_EPCMDCMPLT:
+ cmd = DEPEVT_PARAMETER_CMD(event->parameters);
+
+ if (cmd == DWC3_DEPCMD_ENDTRANSFER)
+ dep->flags &= ~DWC3_EP_TRANSFER_STARTED;
break;
}
}
diff --git a/drivers/usb/dwc3/gadget.c b/drivers/usb/dwc3/gadget.c
index a9aba716bf80..0c960a97ea02 100644
--- a/drivers/usb/dwc3/gadget.c
+++ b/drivers/usb/dwc3/gadget.c
@@ -2491,7 +2491,7 @@ static int dwc3_gadget_ep_cleanup_completed_request(struct dwc3_ep *dep,
req->request.actual = req->request.length - req->remaining;
- if (!dwc3_gadget_ep_request_completed(req) &&
+ if (!dwc3_gadget_ep_request_completed(req) ||
req->num_pending_sgs) {
__dwc3_gadget_kick_transfer(dep);
goto out;
@@ -2719,6 +2719,9 @@ static void dwc3_stop_active_transfer(struct dwc3_ep *dep, bool force,
WARN_ON_ONCE(ret);
dep->resource_index = 0;
+ if (!interrupt)
+ dep->flags &= ~DWC3_EP_TRANSFER_STARTED;
+
if (dwc3_is_usb31(dwc) || dwc->revision < DWC3_REVISION_310A)
udelay(100);
}
diff --git a/drivers/usb/gadget/function/f_ecm.c b/drivers/usb/gadget/function/f_ecm.c
index 6ce044008cf6..460d5d7c984f 100644
--- a/drivers/usb/gadget/function/f_ecm.c
+++ b/drivers/usb/gadget/function/f_ecm.c
@@ -621,8 +621,12 @@ static void ecm_disable(struct usb_function *f)
DBG(cdev, "ecm deactivated\n");
- if (ecm->port.in_ep->enabled)
+ if (ecm->port.in_ep->enabled) {
gether_disconnect(&ecm->port);
+ } else {
+ ecm->port.in_ep->desc = NULL;
+ ecm->port.out_ep->desc = NULL;
+ }
usb_ep_disable(ecm->notify);
ecm->notify->desc = NULL;
diff --git a/drivers/usb/gadget/function/f_rndis.c b/drivers/usb/gadget/function/f_rndis.c
index d48df36622b7..0d8e4a364ca6 100644
--- a/drivers/usb/gadget/function/f_rndis.c
+++ b/drivers/usb/gadget/function/f_rndis.c
@@ -618,6 +618,7 @@ static void rndis_disable(struct usb_function *f)
gether_disconnect(&rndis->port);
usb_ep_disable(rndis->notify);
+ rndis->notify->desc = NULL;
}
/*-------------------------------------------------------------------------*/