1 files changed, 7 insertions, 8 deletions

diff --git a/drivers/usb/host/xhci-mem.c b/drivers/usb/host/xhci-mem.c
index 71121d99235d..8d6bdf2f8015 100644
--- a/drivers/usb/host/xhci-mem.c
+++ b/drivers/usb/host/xhci-mem.c
@@ -235,7 +235,10 @@ int xhci_alloc_virt_device(struct xhci_hcd *xhci, int slot_id,
                 return 0;
         dev = xhci->devs[slot_id];
 
-        /* Allocate the (output) device context that will be used in the HC */
+        /* Allocate the (output) device context that will be used in the HC.
+         * The structure is 32 bytes smaller than the input context, but that's
+         * fine.
+         */
         dev->out_ctx = dma_pool_alloc(xhci->device_pool, flags, &dma);
         if (!dev->out_ctx)
                 goto fail;
@@ -260,16 +263,12 @@ int xhci_alloc_virt_device(struct xhci_hcd *xhci, int slot_id,
 
         init_completion(&dev->cmd_completion);
 
-        /*
-         * Point to output device context in dcbaa; skip the output control
-         * context, which is eight 32 bit fields (or 32 bytes long)
-         */
-        xhci->dcbaa->dev_context_ptrs[slot_id] =
-                (u32) dev->out_ctx_dma + (32);
+        /* Point to output device context in dcbaa. */
+        xhci->dcbaa->dev_context_ptrs[slot_id] = dev->out_ctx_dma;
         xhci_dbg(xhci, "Set slot id %d dcbaa entry %p to 0x%llx\n",
                         slot_id,
                         &xhci->dcbaa->dev_context_ptrs[slot_id],
-                        (unsigned long long)dev->out_ctx_dma);
+                        (unsigned long long) xhci->dcbaa->dev_context_ptrs[slot_id]);
 
         return 1;
 fail: