diff options
author | Mark Brown <broonie@opensource.wolfsonmicro.com> | 2009-11-06 15:46:18 +0000 |
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committer | Mark Brown <broonie@opensource.wolfsonmicro.com> | 2009-11-06 15:46:18 +0000 |
commit | 330f28f691e9b349e34adcaf82b273cf061bb491 (patch) | |
tree | fca3bfe41eff25ef19f576cef1979c68f6521af5 /drivers/usb/host/whci/asl.c | |
parent | fe3e78e073d25308756f38019956061153267769 (diff) | |
parent | 6fc786d5034ed7ce2d43c459211137de6d99dd28 (diff) |
Merge branch 'for-2.6.32' into for-2.6.33
Diffstat (limited to 'drivers/usb/host/whci/asl.c')
-rw-r--r-- | drivers/usb/host/whci/asl.c | 23 |
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); |