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[09/33] xhci: debugfs: Add virt endpoint state to xhci debugfs

Message ID 20241106101459.775897-10-mathias.nyman@linux.intel.com
State New
Headers show
Series xhci features and fixes for usb-next | expand

Commit Message

Mathias Nyman Nov. 6, 2024, 10:14 a.m. UTC 
From: WangYuli <wangyuli@uniontech.com>

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@uniontech.com>
Signed-off-by: Xu Rao <raoxu@uniontech.com>
Signed-off-by: WangYuli <wangyuli@uniontech.com>
Signed-off-by: Mathias Nyman <mathias.nyman@linux.intel.com>
---
 drivers/usb/host/xhci-debugfs.c | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)
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Patch

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;