habanalabs: add rate-limit to an error message

This patch changes the print of an error message about mis-configuration
of the debug infrastructure to be rate-limited, to prevent flooding of
kernel log, as these configuration requests can come at a high rate.

Signed-off-by: Oded Gabbay <oded.gabbay@gmail.com>

diff --git a/drivers/misc/habanalabs/habanalabs_ioctl.c b/drivers/misc/habanalabs/habanalabs_ioctl.c
index 6783751..c641c7e 100644 (file)
--- a/drivers/misc/habanalabs/habanalabs_ioctl.c
+++ b/drivers/misc/habanalabs/habanalabs_ioctl.c
@@ -255,7 +255,7 @@ static int hl_debug_ioctl(struct hl_fpriv *hpriv, void *data)
        case HL_DEBUG_OP_SPMU:
        case HL_DEBUG_OP_TIMESTAMP:
                if (!hdev->in_debug) {
-                       dev_err(hdev->dev,
+                       dev_err_ratelimited(hdev->dev,
                                "Rejecting debug configuration request because device not in debug mode\n");
                        return -EFAULT;
                }