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path: root/drivers/usb/host/whci/asl.c
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Diffstat (limited to 'drivers/usb/host/whci/asl.c')
-rw-r--r--drivers/usb/host/whci/asl.c23
1 files changed, 16 insertions, 7 deletions
diff --git a/drivers/usb/host/whci/asl.c b/drivers/usb/host/whci/asl.c
index c632437c764..562eba10881 100644
--- a/drivers/usb/host/whci/asl.c
+++ b/drivers/usb/host/whci/asl.c
@@ -115,6 +115,10 @@ static uint32_t process_qset(struct whc *whc, struct whc_qset *qset)
if (status & QTD_STS_HALTED) {
/* Ug, an error. */
process_halted_qtd(whc, qset, td);
+ /* A halted qTD always triggers an update
+ because the qset was either removed or
+ reactivated. */
+ update |= WHC_UPDATE_UPDATED;
goto done;
}
@@ -305,6 +309,7 @@ int asl_urb_dequeue(struct whc *whc, struct urb *urb, int status)
struct whc_urb *wurb = urb->hcpriv;
struct whc_qset *qset = wurb->qset;
struct whc_std *std, *t;
+ bool has_qtd = false;
int ret;
unsigned long flags;
@@ -315,17 +320,21 @@ int asl_urb_dequeue(struct whc *whc, struct urb *urb, int status)
goto out;
list_for_each_entry_safe(std, t, &qset->stds, list_node) {
- if (std->urb == urb)
+ if (std->urb == urb) {
+ if (std->qtd)
+ has_qtd = true;
qset_free_std(whc, std);
- else
+ } else
std->qtd = NULL; /* so this std is re-added when the qset is */
}
- asl_qset_remove(whc, qset);
- wurb->status = status;
- wurb->is_async = true;
- queue_work(whc->workqueue, &wurb->dequeue_work);
-
+ if (has_qtd) {
+ asl_qset_remove(whc, qset);
+ wurb->status = status;
+ wurb->is_async = true;
+ queue_work(whc->workqueue, &wurb->dequeue_work);
+ } else
+ qset_remove_urb(whc, qset, urb, status);
out:
spin_unlock_irqrestore(&whc->lock, flags);