xhci: convert TRB_CYCLE to le32 before using it to set Link TRB's cycle bit

This patch converts TRB_CYCLE to le32 to update correctly the Cycle Bit in
'control' field of the link TRB.
This bug was found using sparse.

Signed-off-by: Xenia Ragiadakou <burzalodowa@gmail.com>
Signed-off-by: Sarah Sharp <sarah.a.sharp@linux.intel.com>

1 files changed, 3 insertions, 2 deletions

diff --git a/drivers/usb/host/xhci-mem.c b/drivers/usb/host/xhci-mem.c
index 49b8bd063fab..90709cf45ee5 100644
--- a/drivers/usb/host/xhci-mem.c
+++ b/drivers/usb/host/xhci-mem.c
@@ -57,7 +57,7 @@ static struct xhci_segment *xhci_segment_alloc(struct xhci_hcd *xhci,
         /* If the cycle state is 0, set the cycle bit to 1 for all the TRBs */
         if (cycle_state == 0) {
                 for (i = 0; i < TRBS_PER_SEGMENT; i++)
-                        seg->trbs[i].link.control |= TRB_CYCLE;
+                        seg->trbs[i].link.control |= cpu_to_le32(TRB_CYCLE);
         }
         seg->dma = dma;
         seg->next = NULL;
@@ -308,7 +308,8 @@ static void xhci_reinit_cached_ring(struct xhci_hcd *xhci,
                                 sizeof(union xhci_trb)*TRBS_PER_SEGMENT);
                 if (cycle_state == 0) {
                         for (i = 0; i < TRBS_PER_SEGMENT; i++)
-                                seg->trbs[i].link.control |= TRB_CYCLE;
+                                seg->trbs[i].link.control |=
+                                        cpu_to_le32(TRB_CYCLE);
                 }
                 /* All endpoint rings have link TRBs */
                 xhci_link_segments(xhci, seg, seg->next, type);