diff options
Diffstat (limited to 'drivers/usb/host/ehci-mem.c')
| -rw-r--r-- | drivers/usb/host/ehci-mem.c | 30 |
1 files changed, 6 insertions, 24 deletions
diff --git a/drivers/usb/host/ehci-mem.c b/drivers/usb/host/ehci-mem.c index 12f70c302b0..c0fb6a8ae6a 100644 --- a/drivers/usb/host/ehci-mem.c +++ b/drivers/usb/host/ehci-mem.c @@ -64,10 +64,8 @@ static inline void ehci_qtd_free (struct ehci_hcd *ehci, struct ehci_qtd *qtd) } -static void qh_destroy(struct ehci_qh *qh) +static void qh_destroy(struct ehci_hcd *ehci, struct ehci_qh *qh) { - struct ehci_hcd *ehci = qh->ehci; - /* clean qtds first, and know this is not linked */ if (!list_empty (&qh->qtd_list) || qh->qh_next.ptr) { ehci_dbg (ehci, "unused qh not empty!\n"); @@ -92,11 +90,10 @@ static struct ehci_qh *ehci_qh_alloc (struct ehci_hcd *ehci, gfp_t flags) if (!qh->hw) goto fail; memset(qh->hw, 0, sizeof *qh->hw); - qh->refcount = 1; - qh->ehci = ehci; qh->qh_dma = dma; // INIT_LIST_HEAD (&qh->qh_list); INIT_LIST_HEAD (&qh->qtd_list); + INIT_LIST_HEAD(&qh->unlink_node); /* dummy td enables safe urb queuing */ qh->dummy = ehci_qtd_alloc (ehci, flags); @@ -113,20 +110,6 @@ fail: return NULL; } -/* to share a qh (cpu threads, or hc) */ -static inline struct ehci_qh *qh_get (struct ehci_qh *qh) -{ - WARN_ON(!qh->refcount); - qh->refcount++; - return qh; -} - -static inline void qh_put (struct ehci_qh *qh) -{ - if (!--qh->refcount) - qh_destroy(qh); -} - /*-------------------------------------------------------------------------*/ /* The queue heads and transfer descriptors are managed from pools tied @@ -136,13 +119,12 @@ static inline void qh_put (struct ehci_qh *qh) static void ehci_mem_cleanup (struct ehci_hcd *ehci) { - free_cached_lists(ehci); if (ehci->async) - qh_put (ehci->async); + qh_destroy(ehci, ehci->async); ehci->async = NULL; if (ehci->dummy) - qh_put(ehci->dummy); + qh_destroy(ehci, ehci->dummy); ehci->dummy = NULL; /* DMA consistent memory and pools */ @@ -242,11 +224,11 @@ static int ehci_mem_init (struct ehci_hcd *ehci, gfp_t flags) hw->hw_next = EHCI_LIST_END(ehci); hw->hw_qtd_next = EHCI_LIST_END(ehci); hw->hw_alt_next = EHCI_LIST_END(ehci); - hw->hw_token &= ~QTD_STS_ACTIVE; ehci->dummy->hw = hw; for (i = 0; i < ehci->periodic_size; i++) - ehci->periodic[i] = ehci->dummy->qh_dma; + ehci->periodic[i] = cpu_to_hc32(ehci, + ehci->dummy->qh_dma); } else { for (i = 0; i < ehci->periodic_size; i++) ehci->periodic[i] = EHCI_LIST_END(ehci); |
