summaryrefslogtreecommitdiff
path: root/drivers/usb/host/xhci-ring.c
diff options
context:
space:
mode:
authorRadim Krčmář <rkrcmar@redhat.com>2018-02-01 17:04:17 +0300
committerRadim Krčmář <rkrcmar@redhat.com>2018-02-01 17:04:17 +0300
commit7bf14c28ee776be567855bd39ed8ff795ea19f55 (patch)
tree6113748c673e85fccc2c56c050697789c00c6bc2 /drivers/usb/host/xhci-ring.c
parent87cedc6be55954c6efd6eca2e694132513f65a2a (diff)
parent5fa4ec9cb2e6679e2f828033726f758ea314b9c5 (diff)
downloadlinux-7bf14c28ee776be567855bd39ed8ff795ea19f55.tar.xz
Merge branch 'x86/hyperv' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Topic branch for stable KVM clockource under Hyper-V. Thanks to Christoffer Dall for resolving the ARM conflict.
Diffstat (limited to 'drivers/usb/host/xhci-ring.c')
-rw-r--r--drivers/usb/host/xhci-ring.c6
1 files changed, 3 insertions, 3 deletions
diff --git a/drivers/usb/host/xhci-ring.c b/drivers/usb/host/xhci-ring.c
index 6eb87c6e4d24..c5cbc685c691 100644
--- a/drivers/usb/host/xhci-ring.c
+++ b/drivers/usb/host/xhci-ring.c
@@ -3112,7 +3112,7 @@ static u32 xhci_td_remainder(struct xhci_hcd *xhci, int transferred,
{
u32 maxp, total_packet_count;
- /* MTK xHCI is mostly 0.97 but contains some features from 1.0 */
+ /* MTK xHCI 0.96 contains some features from 1.0 */
if (xhci->hci_version < 0x100 && !(xhci->quirks & XHCI_MTK_HOST))
return ((td_total_len - transferred) >> 10);
@@ -3121,8 +3121,8 @@ static u32 xhci_td_remainder(struct xhci_hcd *xhci, int transferred,
trb_buff_len == td_total_len)
return 0;
- /* for MTK xHCI, TD size doesn't include this TRB */
- if (xhci->quirks & XHCI_MTK_HOST)
+ /* for MTK xHCI 0.96, TD size include this TRB, but not in 1.x */
+ if ((xhci->quirks & XHCI_MTK_HOST) && (xhci->hci_version < 0x100))
trb_buff_len = 0;
maxp = usb_endpoint_maxp(&urb->ep->desc);