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| author | Arnd Bergmann <arnd@arndb.de> | 2011-10-20 13:30:55 (GMT) |
|---|---|---|
| committer | Arnd Bergmann <arnd@arndb.de> | 2011-10-20 13:30:55 (GMT) |
| commit | 29ea35969b92a4be122a58c4aceea8c5e2c388d9 (patch) | |
| tree | 8285c0e98e7bb03868d390b58180e3cab876a8db /drivers/usb | |
| parent | 112d17d6f75b93e1dcaec2e2232a411148b3bf71 (diff) | |
| parent | b4cbb8a4e602ea77b0525d06eff89c6a6070dab3 (diff) | |
| download | linux-29ea35969b92a4be122a58c4aceea8c5e2c388d9.tar.xz | |
Merge branch 'imx/devel' into next/devel
Diffstat (limited to 'drivers/usb')
| -rw-r--r-- | drivers/usb/host/xhci-hub.c | 2 | ||||
| -rw-r--r-- | drivers/usb/host/xhci-ring.c | 19 |
2 files changed, 20 insertions, 1 deletions
diff --git a/drivers/usb/host/xhci-hub.c b/drivers/usb/host/xhci-hub.c index 1e96d1f..723f823 100644 --- a/drivers/usb/host/xhci-hub.c +++ b/drivers/usb/host/xhci-hub.c @@ -761,7 +761,7 @@ int xhci_hub_status_data(struct usb_hcd *hcd, char *buf) memset(buf, 0, retval); status = 0; - mask = PORT_CSC | PORT_PEC | PORT_OCC | PORT_PLC; + mask = PORT_CSC | PORT_PEC | PORT_OCC | PORT_PLC | PORT_WRC; spin_lock_irqsave(&xhci->lock, flags); /* For each port, did anything change? If so, set that bit in buf. */ diff --git a/drivers/usb/host/xhci-ring.c b/drivers/usb/host/xhci-ring.c index 54139a2..952e2de 100644 --- a/drivers/usb/host/xhci-ring.c +++ b/drivers/usb/host/xhci-ring.c @@ -1934,8 +1934,10 @@ static int handle_tx_event(struct xhci_hcd *xhci, int status = -EINPROGRESS; struct urb_priv *urb_priv; struct xhci_ep_ctx *ep_ctx; + struct list_head *tmp; u32 trb_comp_code; int ret = 0; + int td_num = 0; slot_id = TRB_TO_SLOT_ID(le32_to_cpu(event->flags)); xdev = xhci->devs[slot_id]; @@ -1957,6 +1959,12 @@ static int handle_tx_event(struct xhci_hcd *xhci, return -ENODEV; } + /* Count current td numbers if ep->skip is set */ + if (ep->skip) { + list_for_each(tmp, &ep_ring->td_list) + td_num++; + } + event_dma = le64_to_cpu(event->buffer); trb_comp_code = GET_COMP_CODE(le32_to_cpu(event->transfer_len)); /* Look for common error cases */ @@ -2068,7 +2076,18 @@ static int handle_tx_event(struct xhci_hcd *xhci, goto cleanup; } + /* We've skipped all the TDs on the ep ring when ep->skip set */ + if (ep->skip && td_num == 0) { + ep->skip = false; + xhci_dbg(xhci, "All tds on the ep_ring skipped. " + "Clear skip flag.\n"); + ret = 0; + goto cleanup; + } + td = list_entry(ep_ring->td_list.next, struct xhci_td, td_list); + if (ep->skip) + td_num--; /* Is this a TRB in the currently executing TD? */ event_seg = trb_in_td(ep_ring->deq_seg, ep_ring->dequeue, |