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authorGreg Kroah-Hartman <gregkh@linuxfoundation.org>2021-01-25 11:19:46 +0100
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2021-01-25 11:19:46 +0100
commit0f8b29fabacbcf0e617896c7ea832b7ea2ef2406 (patch)
tree0187f2baef24b5d78d94aecc7057356a36c58b5d /drivers/usb/host/xhci-ring.c
parente71a8d5cf4b4f274740e31b601216071e2a11afa (diff)
parent6ee1d745b7c9fd573fba142a2efdad76a9f1cb04 (diff)
Merge 5.11-rc5 into tty-next
We need the fixes in here and this resolves a merge issue in drivers/tty/tty_io.c Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/usb/host/xhci-ring.c')
-rw-r--r--drivers/usb/host/xhci-ring.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/usb/host/xhci-ring.c b/drivers/usb/host/xhci-ring.c
index 5677b81c0915..cf0c93a90200 100644
--- a/drivers/usb/host/xhci-ring.c
+++ b/drivers/usb/host/xhci-ring.c
@@ -2931,6 +2931,8 @@ static void queue_trb(struct xhci_hcd *xhci, struct xhci_ring *ring,
trb->field[0] = cpu_to_le32(field1);
trb->field[1] = cpu_to_le32(field2);
trb->field[2] = cpu_to_le32(field3);
+ /* make sure TRB is fully written before giving it to the controller */
+ wmb();
trb->field[3] = cpu_to_le32(field4);
trace_xhci_queue_trb(ring, trb);