From: WangYuli <wangyuli@xxxxxxxxxxxxx>
The ring data structure of each xHCI endpoint might stop sending
data due to the virt endpoint state.
Show the virt endpoint state within the endpoint context via debugfs
to facilitate debugging.
Co-developed-by: Xu Rao <raoxu@xxxxxxxxxxxxx>
Signed-off-by: Xu Rao <raoxu@xxxxxxxxxxxxx>
Signed-off-by: WangYuli <wangyuli@xxxxxxxxxxxxx>
Signed-off-by: Mathias Nyman <mathias.nyman@xxxxxxxxxxxxxxx>
---
drivers/usb/host/xhci-debugfs.c | 5 +++--
1 file changed, 3 insertions(+), 2 deletions(-)
diff --git a/drivers/usb/host/xhci-debugfs.c b/drivers/usb/host/xhci-debugfs.c
index f8ba15e7c225..35247cd50c74 100644
--- a/drivers/usb/host/xhci-debugfs.c
+++ b/drivers/usb/host/xhci-debugfs.c
@@ -291,12 +291,13 @@ static int xhci_endpoint_context_show(struct seq_file *s, void *unused)
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,
+ seq_printf(s, "%pad: %s, virt_state:%#x\n", &dma,
xhci_decode_ep_context(str,
le32_to_cpu(ep_ctx->ep_info),
le32_to_cpu(ep_ctx->ep_info2),
le64_to_cpu(ep_ctx->deq),
- le32_to_cpu(ep_ctx->tx_info)));
+ le32_to_cpu(ep_ctx->tx_info)),
+ dev->eps[ep_index].ep_state);
}
return 0;
--
2.25.1
