USB: xhci: Fix slot and endpoint context debugging.

Use the virtual address of the memory hardware uses, not the address for
the container of that memory.

Signed-off-by: Sarah Sharp <sarah.a.sharp@linux.intel.com>
Cc: stable <stable@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

1 files changed, 3 insertions, 2 deletions

diff --git a/drivers/usb/host/xhci-dbg.c b/drivers/usb/host/xhci-dbg.c
index 705e34324156..33128d52f212 100644
--- a/drivers/usb/host/xhci-dbg.c
+++ b/drivers/usb/host/xhci-dbg.c
@@ -413,7 +413,8 @@ void xhci_dbg_slot_ctx(struct xhci_hcd *xhci, struct xhci_container_ctx *ctx)
         int i;
 
         struct xhci_slot_ctx *slot_ctx = xhci_get_slot_ctx(xhci, ctx);
-        dma_addr_t dma = ctx->dma + ((unsigned long)slot_ctx - (unsigned long)ctx);
+        dma_addr_t dma = ctx->dma +
+                ((unsigned long)slot_ctx - (unsigned long)ctx->bytes);
         int csz = HCC_64BYTE_CONTEXT(xhci->hcc_params);
 
         xhci_dbg(xhci, "Slot Context:\n");
@@ -459,7 +460,7 @@ void xhci_dbg_ep_ctx(struct xhci_hcd *xhci,
         for (i = 0; i < last_ep_ctx; ++i) {
                 struct xhci_ep_ctx *ep_ctx = xhci_get_ep_ctx(xhci, ctx, i);
                 dma_addr_t dma = ctx->dma +
-                        ((unsigned long)ep_ctx - (unsigned long)ctx);
+                        ((unsigned long)ep_ctx - (unsigned long)ctx->bytes);
 
                 xhci_dbg(xhci, "Endpoint %02d Context:\n", i);
                 xhci_dbg(xhci, "@%p (virt) @%08llx (dma) %#08x - ep_info\n",