redonkable/alistair23-linux
redonkable/alistair23-linux
1
0
Fork 0
Code Releases Activity

xhci: Always ring the doorbell for active eps when a Set TR deq ptr cmd completes

Browse source 
Even if the stream for which the command was intended has been freed in the
mean time. This ensures that things start rolling again after an unlink / halt.

Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Acked-by: Mathias Nyman <mathias.nyman@linux.intel.com>
Signed-off-by: Mathias Nyman <mathias.nyman@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Hans de Goede 2014-08-20 16:41:55 +03:00 committed by Greg Kroah-Hartman
parent d3a43e66e0
commit 0d4976ec8e
1 changed files with 2 additions and 2 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

4
drivers/usb/host/xhci-ring.c
View file

@ -965,8 +965,7 @@ static void xhci_handle_cmd_set_deq(struct xhci_hcd *xhci, int slot_id,
xhci_warn(xhci, "WARN Set TR deq ptr command for freed stream ID %u\n",
stream_id);
/* XXX: Harmless??? */
dev->eps[ep_index].ep_state &= ~SET_DEQ_PENDING;
return;
goto cleanup;
}
ep_ctx = xhci_get_ep_ctx(xhci, dev->out_ctx, ep_index);
@ -1031,6 +1030,7 @@ static void xhci_handle_cmd_set_deq(struct xhci_hcd *xhci, int slot_id,
}
}
cleanup:
dev->eps[ep_index].ep_state &= ~SET_DEQ_PENDING;
dev->eps[ep_index].queued_deq_seg = NULL;
dev->eps[ep_index].queued_deq_ptr = NULL;