[PATCH] Input: atkbd - rate-limit unknown key warnings

[Zhang Heng]

Replace dev_warn() with dev_warn_ratelimited() for unmapped scancode
warnings, matching the existing rate-limited handling of spurious
ACK/NAK events in the same function. 

Link: https://bugzilla.kernel.org/show_bug.cgi?id=221214
Signed-off-by: Zhang Heng <zhangheng@xxxxxxxxxx>
---
 drivers/input/keyboard/atkbd.c | 14 ++++++--------
 1 file changed, 6 insertions(+), 8 deletions(-)

diff --git a/drivers/input/keyboard/atkbd.c b/drivers/input/keyboard/atkbd.c
index 93650c98206d..26523329040b 100644
--- a/drivers/input/keyboard/atkbd.c
+++ b/drivers/input/keyboard/atkbd.c
@@ -497,13 +497,11 @@ static void atkbd_receive_byte(struct ps2dev *ps2dev, u8 data)
 	case ATKBD_KEY_NULL:
 		break;
 	case ATKBD_KEY_UNKNOWN:
-		dev_warn(&serio->dev,
-			 "Unknown key %s (%s set %d, code %#x on %s).\n",
-			 atkbd->release ? "released" : "pressed",
-			 atkbd->translated ? "translated" : "raw",
-			 atkbd->set, code, serio->phys);
-		dev_warn(&serio->dev,
-			 "Use 'setkeycodes %s%02x <keycode>' to make it known.\n",
-			 code & 0x80 ? "e0" : "", code & 0x7f);
+		dev_warn_ratelimited(&serio->dev,
+				     "Unknown key %s (%s set %d, code %#x on %s); use 'setkeycodes %s%02x <keycode>' to make it known.\n",
+				     atkbd->release ? "released" : "pressed",
+				     atkbd->translated ? "translated" : "raw",
+				     atkbd->set, code, serio->phys,
+				     code & 0x80 ? "e0" : "", code & 0x7f);
 		input_sync(dev);
 		break;
-- 
2.25.1