diff options
| author | Alex Shi <alex.shi@linaro.org> | 2016-10-19 11:10:19 +0800 |
|---|---|---|
| committer | Alex Shi <alex.shi@linaro.org> | 2016-10-19 11:10:19 +0800 |
| commit | 1fde384c30fb25ff0d7a3e7ed793019479b31e18 (patch) | |
| tree | 68b563bcab65d8c03dcb20d11622e5b8b904dcf8 /drivers/usb/host/xhci-ring.c | |
| parent | a44038112d3379f49df8a9db3e1259d9e945faee (diff) | |
| parent | c67d235857a13b609e664f901fb990f49796ddcc (diff) | |
Merge branch 'linux-linaro-lsk-v3.18' into linux-linaro-lsk-v3.18-rt
Conflicts:
fs/dcache.c
Diffstat (limited to 'drivers/usb/host/xhci-ring.c')
| -rw-r--r-- | drivers/usb/host/xhci-ring.c | 19 |
1 files changed, 12 insertions, 7 deletions
diff --git a/drivers/usb/host/xhci-ring.c b/drivers/usb/host/xhci-ring.c index 69464630be54..c15dbffe660b 100644 --- a/drivers/usb/host/xhci-ring.c +++ b/drivers/usb/host/xhci-ring.c @@ -839,6 +839,10 @@ void xhci_stop_endpoint_command_watchdog(unsigned long arg) spin_lock_irqsave(&xhci->lock, flags); ep->stop_cmds_pending--; + if (xhci->xhc_state & XHCI_STATE_REMOVING) { + spin_unlock_irqrestore(&xhci->lock, flags); + return; + } if (xhci->xhc_state & XHCI_STATE_DYING) { xhci_dbg_trace(xhci, trace_xhci_dbg_cancel_urb, "Stop EP timer ran, but another timer marked " @@ -892,7 +896,7 @@ void xhci_stop_endpoint_command_watchdog(unsigned long arg) spin_unlock_irqrestore(&xhci->lock, flags); xhci_dbg_trace(xhci, trace_xhci_dbg_cancel_urb, "Calling usb_hc_died()"); - usb_hc_died(xhci_to_hcd(xhci)->primary_hcd); + usb_hc_died(xhci_to_hcd(xhci)); xhci_dbg_trace(xhci, trace_xhci_dbg_cancel_urb, "xHCI host controller is dead."); } @@ -1324,12 +1328,6 @@ static void handle_cmd_completion(struct xhci_hcd *xhci, cmd = list_entry(xhci->cmd_list.next, struct xhci_command, cmd_list); - if (cmd->command_trb != xhci->cmd_ring->dequeue) { - xhci_err(xhci, - "Command completion event does not match command\n"); - return; - } - del_timer(&xhci->cmd_timer); trace_xhci_cmd_completion(cmd_trb, (struct xhci_generic_trb *) event); @@ -1341,6 +1339,13 @@ static void handle_cmd_completion(struct xhci_hcd *xhci, xhci_handle_stopped_cmd_ring(xhci, cmd); return; } + + if (cmd->command_trb != xhci->cmd_ring->dequeue) { + xhci_err(xhci, + "Command completion event does not match command\n"); + return; + } + /* * Host aborted the command ring, check if the current command was * supposed to be aborted, otherwise continue normally. |