Commit 0077b1b2 authored by Li Jun's avatar Li Jun Committed by Greg Kroah-Hartman

usb: host: xhci: fix ep context print mismatch in debugfs

dci is 0 based and xhci_get_ep_ctx() will do ep index increment to get
the ep context.

[rename dci to ep_index -Mathias]
Cc: stable <stable@vger.kernel.org> # v4.15+
Fixes: 02b6fdc2 ("usb: xhci: Add debugfs interface for xHCI driver")
Signed-off-by: default avatarLi Jun <jun.li@nxp.com>
Signed-off-by: default avatarMathias Nyman <mathias.nyman@linux.intel.com>
Link: https://lore.kernel.org/r/20200821091549.20556-2-mathias.nyman@linux.intel.comSigned-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent 9a469bc9
......@@ -274,7 +274,7 @@ static int xhci_slot_context_show(struct seq_file *s, void *unused)
static int xhci_endpoint_context_show(struct seq_file *s, void *unused)
{
int dci;
int ep_index;
dma_addr_t dma;
struct xhci_hcd *xhci;
struct xhci_ep_ctx *ep_ctx;
......@@ -283,9 +283,9 @@ 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++) {
ep_ctx = xhci_get_ep_ctx(xhci, dev->out_ctx, dci);
dma = dev->out_ctx->dma + dci * CTX_SIZE(xhci->hcc_params);
for (ep_index = 0; ep_index < 31; ep_index++) {
ep_ctx = xhci_get_ep_ctx(xhci, dev->out_ctx, ep_index);
dma = dev->out_ctx->dma + (ep_index + 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),
......
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