USB: whci-hcd: always do an update after processing a halted qTD

[pandora-kernel.git] / drivers / usb / host / whci / asl.c

diff --git a/drivers/usb/host/whci/asl.c b/drivers/usb/host/whci/asl.c
index c632437..562eba1 100644 (file)
--- 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);