[PATCH char-misc-next] mei: mei_lb: add info prints in flow

[PATCH char-misc-next] mei: mei_lb: add info prints in flow

[Alexander Usyskin]

Add info prints for late bind flow start and successful completion.
We already have error prints, new info prints will add ability
to trace successful flow and confirm that late bind firmware
loaded to the card.

Signed-off-by: Alexander Usyskin <alexander.usyskin@intel.com>
---
 drivers/misc/mei/mei_lb.c | 12 +++++++++++-
 1 file changed, 11 insertions(+), 1 deletion(-)

diff --git a/drivers/misc/mei/mei_lb.c b/drivers/misc/mei/mei_lb.c
index 9fa69acf28d5..51794ff994fa 100644
--- a/drivers/misc/mei/mei_lb.c
+++ b/drivers/misc/mei/mei_lb.c
@@ -214,6 +214,8 @@ static int mei_lb_push_payload_v1(struct device *dev, struct mei_cl_device *clde
 	ssize_t bytes;
 	int ret;
 
+	dev_info(dev, "Sending %zu bytes of type %u\n", payload_size, type);
+
 	req_size = struct_size(req, payload, payload_size);
 	if (req_size > mei_cldev_mtu(cldev)) {
 		dev_err(dev, "Payload is too big: %zu\n", payload_size);
@@ -260,8 +262,12 @@ static int mei_lb_push_payload_v1(struct device *dev, struct mei_cl_device *clde
 		goto end;
 	}
 
-	dev_dbg(dev, "status = %u\n", le32_to_cpu(rsp.status));
 	ret = (int)le32_to_cpu(rsp.status);
+
+	if (ret)
+		dev_err(dev, "Error in status: %d\n", ret);
+	else
+		dev_info(dev, "Sent %zu bytes of type %u successfully\n", payload_size, type);
 end:
 	kfree(req);
 	return ret;
@@ -314,6 +320,8 @@ static int mei_lb_push_payload_v2(struct device *dev, struct mei_cl_device *clde
 	ssize_t bytes;
 	int ret;
 
+	dev_info(dev, "Sending %zu bytes of type %u\n", payload_size, type);
+
 	struct mei_lb2_req *req __free(kfree) = kzalloc(mei_cldev_mtu(cldev), GFP_KERNEL);
 	if (!req)
 		return -ENOMEM;
@@ -363,6 +371,8 @@ static int mei_lb_push_payload_v2(struct device *dev, struct mei_cl_device *clde
 		first_chunk = 0;
 	} while (!last_chunk);
 
+	dev_info(dev, "Sent %zu bytes of type %u successfully\n", payload_size, type);
+
 	return 0;
 }
 

---
base-commit: 6628e7d4c6b25c8d18f1345e3a20d21829aae7e4
change-id: 20261105-mei_lb_add_info-0f5cb275f93a

Best regards,
-- 
Alexander Usyskin <alexander.usyskin@intel.com>

Re: [PATCH char-misc-next] mei: mei_lb: add info prints in flow

[Greg Kroah-Hartman]

On Thu, Nov 05, 2026 at 04:28:03PM +0200, Alexander Usyskin wrote:
> Add info prints for late bind flow start and successful completion.
> We already have error prints, new info prints will add ability
> to trace successful flow and confirm that late bind firmware
> loaded to the card.

No, sorry, when a driver is working properly, it is quiet.  Never spam
kernel logs like this, that's just not needed.

thanks,

greg k-h