diff mbox series

xhci: debugfs: Add virt endpoint state to xhci debugfs

Message ID 63B520E210CBE3F6+20240920051159.1363806-1-wangyuli@uniontech.com (mailing list archive)
State Accepted
Commit 6d00b6142d8e22b2bcd7532546830984b421e583
Headers show
Series xhci: debugfs: Add virt endpoint state to xhci debugfs | expand

Commit Message

WangYuli Sept. 20, 2024, 5:11 a.m. UTC 
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>
---
 drivers/usb/host/xhci-debugfs.c | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

Comments

Mathias Nyman Sept. 30, 2024, 8:27 a.m. UTC | #1 
On 20.9.2024 8.11, WangYuli wrote:
> 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>
> ---

Added to queue,

Thanks
Mathias
diff mbox series

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;