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authorDavid S. Miller <davem@davemloft.net>2016-02-23 08:09:14 +0300
committerDavid S. Miller <davem@davemloft.net>2016-02-23 08:09:14 +0300
commitb633353115e352d3c31c12d4c61978c810f05ea1 (patch)
tree055174a1b31a3e10fd2c505788fe6487b0028d00 /drivers/usb/host/xhci-mtk-sch.c
parentb1d95ae5c5bd3deba84d00c4f83d7d0836b5936f (diff)
parentdea08e604408d0303e2332896c5fdd8c1f7d79a2 (diff)
downloadlinux-b633353115e352d3c31c12d4c61978c810f05ea1.tar.xz
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
Conflicts: drivers/net/phy/bcm7xxx.c drivers/net/phy/marvell.c drivers/net/vxlan.c All three conflicts were cases of simple overlapping changes. Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/usb/host/xhci-mtk-sch.c')
-rw-r--r--drivers/usb/host/xhci-mtk-sch.c16
1 files changed, 13 insertions, 3 deletions
diff --git a/drivers/usb/host/xhci-mtk-sch.c b/drivers/usb/host/xhci-mtk-sch.c
index c30de7c39f44..73f763c4f5f5 100644
--- a/drivers/usb/host/xhci-mtk-sch.c
+++ b/drivers/usb/host/xhci-mtk-sch.c
@@ -275,8 +275,9 @@ static bool need_bw_sch(struct usb_host_endpoint *ep,
return false;
/*
- * for LS & FS periodic endpoints which its device don't attach
- * to TT are also ignored, root-hub will schedule them directly
+ * for LS & FS periodic endpoints which its device is not behind
+ * a TT are also ignored, root-hub will schedule them directly,
+ * but need set @bpkts field of endpoint context to 1.
*/
if (is_fs_or_ls(speed) && !has_tt)
return false;
@@ -339,8 +340,17 @@ int xhci_mtk_add_ep_quirk(struct usb_hcd *hcd, struct usb_device *udev,
GET_MAX_PACKET(usb_endpoint_maxp(&ep->desc)),
usb_endpoint_dir_in(&ep->desc), ep);
- if (!need_bw_sch(ep, udev->speed, slot_ctx->tt_info & TT_SLOT))
+ if (!need_bw_sch(ep, udev->speed, slot_ctx->tt_info & TT_SLOT)) {
+ /*
+ * set @bpkts to 1 if it is LS or FS periodic endpoint, and its
+ * device does not connected through an external HS hub
+ */
+ if (usb_endpoint_xfer_int(&ep->desc)
+ || usb_endpoint_xfer_isoc(&ep->desc))
+ ep_ctx->reserved[0] |= cpu_to_le32(EP_BPKTS(1));
+
return 0;
+ }
bw_index = get_bw_index(xhci, udev, ep);
sch_bw = &sch_array[bw_index];