dci is 0 based and xhci_get_ep_ctx() will do ep index increment to get
the ep context.
Fixes: 02b6fdc2a153 ("usb: xhci: Add debugfs interface for xHCI driver")
Signed-off-by: Li Jun <jun.li@xxxxxxx>
---
drivers/usb/host/xhci-debugfs.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/drivers/usb/host/xhci-debugfs.c b/drivers/usb/host/xhci-debugfs.c
index 76c3f29..65d8de4 100644
--- a/drivers/usb/host/xhci-debugfs.c
+++ b/drivers/usb/host/xhci-debugfs.c
@@ -282,9 +282,9 @@ static int xhci_endpoint_context_show(struct seq_file *s, void *unused)
xhci = hcd_to_xhci(bus_to_hcd(dev->udev->bus));
- for (dci = 1; dci < 32; dci++) {
+ for (dci = 0; dci < 31; dci++) {
ep_ctx = xhci_get_ep_ctx(xhci, dev->out_ctx, dci);
- dma = dev->out_ctx->dma + dci * CTX_SIZE(xhci->hcc_params);
+ dma = dev->out_ctx->dma + (dci + 1) * CTX_SIZE(xhci->hcc_params);
seq_printf(s, "%pad: %s\n", &dma,
xhci_decode_ep_context(le32_to_cpu(ep_ctx->ep_info),
le32_to_cpu(ep_ctx->ep_info2),
--
2.7.4
