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authorGreg Kroah-Hartman <gregkh@linuxfoundation.org>2019-09-02 19:31:18 +0200
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2019-09-02 19:31:18 +0200
commit7a81146204859c6f8d8daf3ab7a25af17dfecd5f (patch)
tree6bcd14e38f8f44621521faf66565a97ee6ad461e /drivers/usb/chipidea
parent96e46dcfb8534494859936b3da4f3018de53a53f (diff)
parent089cf7f6ecb266b6a4164919a2e69bd2f938374a (diff)
downloadlinux-7a81146204859c6f8d8daf3ab7a25af17dfecd5f.tar.bz2
Merge 5.3-rc7 into usb-next
We need the usb fixes in here for testing Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/usb/chipidea')
-rw-r--r--drivers/usb/chipidea/udc.c32
1 files changed, 24 insertions, 8 deletions
diff --git a/drivers/usb/chipidea/udc.c b/drivers/usb/chipidea/udc.c
index 053432d79bf7..8f18e7b6cadf 100644
--- a/drivers/usb/chipidea/udc.c
+++ b/drivers/usb/chipidea/udc.c
@@ -709,12 +709,6 @@ static int _gadget_stop_activity(struct usb_gadget *gadget)
struct ci_hdrc *ci = container_of(gadget, struct ci_hdrc, gadget);
unsigned long flags;
- spin_lock_irqsave(&ci->lock, flags);
- ci->gadget.speed = USB_SPEED_UNKNOWN;
- ci->remote_wakeup = 0;
- ci->suspended = 0;
- spin_unlock_irqrestore(&ci->lock, flags);
-
/* flush all endpoints */
gadget_for_each_ep(ep, gadget) {
usb_ep_fifo_flush(ep);
@@ -732,6 +726,12 @@ static int _gadget_stop_activity(struct usb_gadget *gadget)
ci->status = NULL;
}
+ spin_lock_irqsave(&ci->lock, flags);
+ ci->gadget.speed = USB_SPEED_UNKNOWN;
+ ci->remote_wakeup = 0;
+ ci->suspended = 0;
+ spin_unlock_irqrestore(&ci->lock, flags);
+
return 0;
}
@@ -1303,6 +1303,10 @@ static int ep_disable(struct usb_ep *ep)
return -EBUSY;
spin_lock_irqsave(hwep->lock, flags);
+ if (hwep->ci->gadget.speed == USB_SPEED_UNKNOWN) {
+ spin_unlock_irqrestore(hwep->lock, flags);
+ return 0;
+ }
/* only internal SW should disable ctrl endpts */
@@ -1392,6 +1396,10 @@ static int ep_queue(struct usb_ep *ep, struct usb_request *req,
return -EINVAL;
spin_lock_irqsave(hwep->lock, flags);
+ if (hwep->ci->gadget.speed == USB_SPEED_UNKNOWN) {
+ spin_unlock_irqrestore(hwep->lock, flags);
+ return 0;
+ }
retval = _ep_queue(ep, req, gfp_flags);
spin_unlock_irqrestore(hwep->lock, flags);
return retval;
@@ -1415,8 +1423,8 @@ static int ep_dequeue(struct usb_ep *ep, struct usb_request *req)
return -EINVAL;
spin_lock_irqsave(hwep->lock, flags);
-
- hw_ep_flush(hwep->ci, hwep->num, hwep->dir);
+ if (hwep->ci->gadget.speed != USB_SPEED_UNKNOWN)
+ hw_ep_flush(hwep->ci, hwep->num, hwep->dir);
list_for_each_entry_safe(node, tmpnode, &hwreq->tds, td) {
dma_pool_free(hwep->td_pool, node->ptr, node->dma);
@@ -1487,6 +1495,10 @@ static void ep_fifo_flush(struct usb_ep *ep)
}
spin_lock_irqsave(hwep->lock, flags);
+ if (hwep->ci->gadget.speed == USB_SPEED_UNKNOWN) {
+ spin_unlock_irqrestore(hwep->lock, flags);
+ return;
+ }
hw_ep_flush(hwep->ci, hwep->num, hwep->dir);
@@ -1559,6 +1571,10 @@ static int ci_udc_wakeup(struct usb_gadget *_gadget)
int ret = 0;
spin_lock_irqsave(&ci->lock, flags);
+ if (ci->gadget.speed == USB_SPEED_UNKNOWN) {
+ spin_unlock_irqrestore(&ci->lock, flags);
+ return 0;
+ }
if (!ci->remote_wakeup) {
ret = -EOPNOTSUPP;
goto out;