usb: host: xhci: fix ep context print mismatch in debugfs
commit5.4-rM2-2.2.x-imx-squashed0077b1b2c8
upstream. 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:02b6fdc2a1
("usb: xhci: Add debugfs interface for xHCI driver") Signed-off-by: Li Jun <jun.li@nxp.com> Signed-off-by: Mathias Nyman <mathias.nyman@linux.intel.com> Link: https://lore.kernel.org/r/20200821091549.20556-2-mathias.nyman@linux.intel.com Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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4d3e2a3a0c
commit
3ac8545b29
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@ -273,7 +273,7 @@ static int xhci_slot_context_show(struct seq_file *s, void *unused)
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static int xhci_endpoint_context_show(struct seq_file *s, void *unused)
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{
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int dci;
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int ep_index;
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dma_addr_t dma;
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struct xhci_hcd *xhci;
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struct xhci_ep_ctx *ep_ctx;
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@ -282,9 +282,9 @@ static int xhci_endpoint_context_show(struct seq_file *s, void *unused)
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xhci = hcd_to_xhci(bus_to_hcd(dev->udev->bus));
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for (dci = 1; dci < 32; dci++) {
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ep_ctx = xhci_get_ep_ctx(xhci, dev->out_ctx, dci);
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dma = dev->out_ctx->dma + dci * CTX_SIZE(xhci->hcc_params);
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for (ep_index = 0; ep_index < 31; ep_index++) {
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ep_ctx = xhci_get_ep_ctx(xhci, dev->out_ctx, ep_index);
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dma = dev->out_ctx->dma + (ep_index + 1) * CTX_SIZE(xhci->hcc_params);
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seq_printf(s, "%pad: %s\n", &dma,
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xhci_decode_ep_context(le32_to_cpu(ep_ctx->ep_info),
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le32_to_cpu(ep_ctx->ep_info2),
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