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authorNeilBrown <neilb@suse.com>2015-09-05 11:07:04 +0200
committerNeilBrown <neilb@suse.com>2015-09-05 11:08:32 +0200
commite89c6fdf9e0eb1b5a03574d4ca73e83eae8deb91 (patch)
treef9df292ed03a5a3c4ddc658ae3646f02a1ffafce /drivers/usb/host/xhci.c
parentc3cce6cda162eb2b2960a85d9c8992f4f3be85d0 (diff)
parent1081230b748de8f03f37f80c53dfa89feda9b8de (diff)
Merge linux-block/for-4.3/core into md/for-linux
There were a few conflicts that are fairly easy to resolve. Signed-off-by: NeilBrown <neilb@suse.com>
Diffstat (limited to 'drivers/usb/host/xhci.c')
-rw-r--r--drivers/usb/host/xhci.c13
1 files changed, 7 insertions, 6 deletions
diff --git a/drivers/usb/host/xhci.c b/drivers/usb/host/xhci.c
index 526ebc0c7e72..6b0f4a47e402 100644
--- a/drivers/usb/host/xhci.c
+++ b/drivers/usb/host/xhci.c
@@ -1340,6 +1340,11 @@ int xhci_urb_enqueue(struct usb_hcd *hcd, struct urb *urb, gfp_t mem_flags)
if (usb_endpoint_xfer_isoc(&urb->ep->desc))
size = urb->number_of_packets;
+ else if (usb_endpoint_is_bulk_out(&urb->ep->desc) &&
+ urb->transfer_buffer_length > 0 &&
+ urb->transfer_flags & URB_ZERO_PACKET &&
+ !(urb->transfer_buffer_length % usb_endpoint_maxp(&urb->ep->desc)))
+ size = 2;
else
size = 1;
@@ -3117,7 +3122,7 @@ static u32 xhci_calculate_no_streams_bitmask(struct xhci_hcd *xhci,
}
/*
- * The USB device drivers use this function (though the HCD interface in USB
+ * The USB device drivers use this function (through the HCD interface in USB
* core) to prepare a set of bulk endpoints to use streams. Streams are used to
* coordinate mass storage command queueing across multiple endpoints (basically
* a stream ID == a task ID).
@@ -4678,7 +4683,6 @@ int xhci_disable_usb3_lpm_timeout(struct usb_hcd *hcd,
{
struct xhci_hcd *xhci;
u16 mel;
- int ret;
xhci = hcd_to_xhci(hcd);
if (!xhci || !(xhci->quirks & XHCI_LPM_SUPPORT) ||
@@ -4686,10 +4690,7 @@ int xhci_disable_usb3_lpm_timeout(struct usb_hcd *hcd,
return 0;
mel = calculate_max_exit_latency(udev, state, USB3_LPM_DISABLED);
- ret = xhci_change_max_exit_latency(xhci, udev, mel);
- if (ret)
- return ret;
- return 0;
+ return xhci_change_max_exit_latency(xhci, udev, mel);
}
#else /* CONFIG_PM */